| 1 Geminorum | X-ray source | G | 155 | |
| 1 Hydrae | X-ray source | F | 87 | |
| 10 Lacertae | X-ray source | O | 1726 | [x] |
| 10 Tauri | X-ray source | F | 45 | [x] |
| 10 Ursae Majoris | X-ray source | F | 52 | [x] |
| 101 Tauri | X-ray source | F | 133 | |
| 106 Aquarii | X-ray source | B | 379 | [x] |
| 109 Virginis | X-ray source | A | 134 | [x] |
| 11 Leonis Minoris | X-ray source | G | 37 | [x] |
| 110 Herculis | X-ray source | F | 63 | |
| 111 Tauri | X-ray source | F | 47 | |
| 12 Persei | X-ray source | F | 79 | |
| 13 Ceti | X-ray source | F | 69 | |
| 13 Pegasi | X-ray source | F | 109 | |
| 16 Cephei | X-ray source | F | 120 | |
| 17 Cygni | X-ray source | F | 70 | |
| 18 Bootis | X-ray source | F | 85 | [x] |
| 19 Leonis Minoris | X-ray source | F | 92 | |
| 20 Geminorum | X-ray source | F | 355 | |
| 20 Ophiuchi | X-ray source | F | 104 | |
| 21 Draco | X-ray source | F | 76 | |
| 212 Puppis | X-ray source | F | 58 | |
| 24 Aquarii | X-ray source | F | 143 | [x] |
| 26 Draconis | X-ray source | F | 46 | |
| 26 Ophiuchi | X-ray source | F | 110 | |
| 28 Cephei | X-ray source | A | 206 | |
| 29 Arietis | X-ray source | F | 98 | [x] |
| 2e 604 | X-ray source | M | 68 | |
| 2MASS J02214438+5708538 | X-ray source | B | 7618 | |
| 2MASS J03285769+3119481 | X-ray source | M | 1364 | |
| 2MASS J03285842+3122175 | X-ray source | | 1237 | |
| 2MASS J03285930+3115485 | X-ray source | K | 1398 | |
| 2MASS J03290015+3121092 | X-ray source | M | 1187 | |
| 2MASS J03290575+3116396 | X-ray source | A | 1217 | |
| 2MASS J03290794+3122515 | X-ray source | M | 1322 | |
| 2MASS J03291977+3124572 | X-ray source | B | 1096 | |
| 2MASS J03292204+3124153 | X-ray source | M | 1265 | |
| 2MASS J03293286+3127126 | X-ray source | M | 1285 | |
| 2MASS J04294921+3514227 | X-ray source | | 2579 | |
| 2MASS J04295601+3521360 | X-ray source | | 2650 | |
| 2MASS J04295977+3513341 | X-ray source | K | 2570 | |
| 2MASS J04300412+3516272 | X-ray source | M | 2595 | |
| 2MASS J04300584+3517005 | X-ray source | M | 2597 | |
| 2MASS J04300770+3515101 | X-ray source | | 2571 | |
| 2MASS J04300782+3514091 | X-ray source | M | 2596 | |
| 2MASS J04300897+3514325 | X-ray source | M | 2575 | |
| 2MASS J04301053+3516500 | X-ray source | | 2586 | |
| 2MASS J04301104+3516035 | X-ray source | K | 2594 | |
| 2MASS J04301150+3517024 | X-ray source | G | 2580 | |
| 2MASS J04301451+3513326 | X-ray source | | 2562 | |
| 2MASS J04301714+3516156 | X-ray source | | 2600 | |
| 2MASS J04301726+3515379 | X-ray source | K | 2589 | |
| 2MASS J04301927+3516017 | X-ray source | | 2601 | |
| 2MASS J04301948+3517238 | X-ray source | M | 2604 | |
| 2MASS J04302701+3520285 | X-ray source | | 2603 | |
| 2MASS J04302735+3509185 | X-ray source | | 2590 | |
| 2MASS J04303028+3521040 | X-ray source | K | 2567 | |
| 2MASS J04303043+3518338 | X-ray source | M | 2607 | |
| 2MASS J04303955+3518069 | X-ray source | | 2578 | |
| 2MASS J04304090+3513522 | X-ray source | | 2588 | |
| 2MASS J05340691+1001005 | X-ray source | | 1499 | |
| 2MASS J05342073-0532351 | X-ray source | M | 1288 | |
| 2MASS J05345230-0635087 | X-ray source | M | 1256 | |
| 2MASS J05345373-0505489 | X-ray source | | 1331 | |
| 2MASS J05345560-0529375 | X-ray source | M | 1321 | |
| 2MASS J05345636-0533404 | X-ray source | M | 1260 | |
| 2MASS J05350201-0518341 | X-ray source | M | 1338 | |
| 2MASS J05350243-0520465 | X-ray source | K | 1266 | |
| 2MASS J05350406-0548540 | X-ray source | | 1281 | |
| 2MASS J05351029-0532372 | X-ray source | | 1276 | |
| 2MASS J05351047-0526003 | X-ray source | M | 1305 | |
| 2MASS J05351091-0522463 | X-ray source | M | 1256 | |
| 2MASS J05351188-0519261 | X-ray source | K | 1261 | |
| 2MASS J05351404-0525499 | X-ray source | M | 1290 | |
| 2MASS J05351463-0516461 | X-ray source | M | 1305 | |
| 2MASS J05351609-0524112 | X-ray source | M | 1255 | |
| 2MASS J05351640-0458020 | X-ray source | | 1329 | |
| 2MASS J05351794-0525338 | X-ray source | | 1300 | |
| 2MASS J05351809-0515461 | X-ray source | M | 1305 | |
| 2MASS J05351924-0547012 | X-ray source | | 1287 | |
| 2MASS J05351950-0521045 | X-ray source | M | 1305 | |
| 2MASS J05351979-0514053 | X-ray source | M | 1270 | |
| 2MASS J05351986-0530321 | X-ray source | M | 1300 | |
| 2MASS J05352192-0528273 | X-ray source | M | 1261 | |
| 2MASS J05352208-0524327 | X-ray source | | 1321 | |
| 2MASS J05352241-0525093 | X-ray source | K | 1334 | |
| 2MASS J05352398-0525098 | X-ray source | M | 1334 | |
| 2MASS J05352538-0551087 | X-ray source | F | 1252 | |
| 2MASS J05352547-0521349 | X-ray source | | 1296 | |
| 2MASS J05353242-0514247 | X-ray source | M | 1309 | |
| 2MASS J05353361-0528506 | X-ray source | M | 1289 | |
| 2MASS J05353461-0515528 | X-ray source | M | 1325 | |
| 2MASS J05353812-0528336 | X-ray source | M | 1310 | |
| 2MASS J05353834-0528346 | X-ray source | M | 1309 | |
| 2MASS J05354379-0509588 | X-ray source | M | 1303 | |
| 2MASS J05354661-0522243 | X-ray source | M | 1273 | |
| 2MASS J06401244+0944231 | X-ray source | M | 2210 | |
| 2MASS J06410295+0947543 | X-ray source | G | 2195 | |
| 2MASS J06411380+0955439 | X-ray source | G | 2204 | |
| 2MASS J10442251-5939258 | X-ray source | B | 8068 | |
| 2MASS J18035526-2417000 | X-ray source | K | 4386 | |
| 2MASS J18035798-2424418 | X-ray source | K | 4381 | |
| 2MASS J18040152-2413233 | X-ray source | | 4498 | |
| 2MASS J18040430-2417105 | X-ray source | G | 4208 | |
| 2MASS J18040526-2423388 | X-ray source | | 4464 | |
| 2MASS J18040576-2414550 | X-ray source | K | 4414 | |
| 2MASS J18040918-2427203 | X-ray source | K | 4463 | |
| 2MASS J18041248-2419430 | X-ray source | K | 4473 | |
| 2MASS J18041327-2413589 | X-ray source | M | 4457 | |
| 2MASS J18041336-2424512 | X-ray source | K | 4398 | |
| 2MASS J18041560-2421518 | X-ray source | | 4365 | |
| 2MASS J18041776-2417098 | X-ray source | | 4282 | |
| 2MASS J18041924-2421354 | X-ray source | | 4482 | |
| 2MASS J18042109-2423254 | X-ray source | | 4306 | |
| 2MASS J18042132-2427451 | X-ray source | | 4440 | |
| 2MASS J18042369-2422398 | X-ray source | | 4268 | |
| 2MASS J18042379-2416353 | X-ray source | | 4477 | |
| 2MASS J18042652-2419043 | X-ray source | | 4496 | |
| 2MASS J18042914-2421526 | X-ray source | | 4348 | |
| 2MASS J18043220-2421280 | X-ray source | | 4460 | |
| 2MASS J18043931-2422345 | X-ray source | K | 4486 | |
| 2MASS J18045161-2425157 | X-ray source | K | 4468 | |
| 2MASS J18183815-1348157 | X-ray source | | 6997 | |
| 2MASS J18183981-1348137 | X-ray source | | 7005 | |
| 2MASS J18184151-1348010 | X-ray source | | 7004 | |
| 2MASS J18184194-1347063 | X-ray source | | 7005 | |
| 2MASS J18184325-1347362 | X-ray source | | 6995 | |
| 2MASS J21371591+5726591 | X-ray source | K | 2709 | |
| 3 Scorpii | X-ray source | B | 515 | |
| 30 Arietis | X-ray source | F | 136 | |
| 30 Draconis | X-ray source | A | 217 | |
| 30 Lyncis | X-ray source | F | 105 | |
| 31 Vulpeculae | X-ray source | G | 189 | |
| 32 Lyncis | X-ray source | F | 121 | |
| 33 Bootis | X-ray source | A | 186 | [x] |
| 33 Sextantis | X-ray source | G | 121 | |
| 34 Leonis | X-ray source | F | 211 | |
| 34 Piscium | X-ray source | B | 306 | |
| 36 Draconis | X-ray source | F | 75 | |
| 36 Persei | X-ray source | F | 118 | |
| 36 Ursae Majoris | X-ray source | F | 42 | [x] |
| 37 Ceti | X-ray source | F | 77 | |
| 37 Ursae Majoris | X-ray source | F | 86 | |
| 38 Cassiopeiae | X-ray source | F | 94 | |
| 38 Lyncis | X-ray source | A | 124 | |
| 38 Virginis | X-ray source | F | 107 | |
| 39 Comae Berenices | X-ray source | F | 162 | |
| 39 Herculis | X-ray source | F | 142 | |
| 39 Tauri | X-ray source | G | 55 | |
| 4 Aquarii | X-ray source | F | 198 | [x] |
| 4 Equulei | X-ray source | F | 120 | |
| 4 Sextantis | X-ray source | F | 146 | |
| 40 Leonis | X-ray source | F | 70 | |
| 42 Aquilae | X-ray source | F | 105 | [x] |
| 42 Capricorni | X-ray source | G | 108 | [x] |
| 47 Arietis | X-ray source | F | 108 | [x] |
| 47 Cassiopeiae | X-ray source | F | 108 | |
| 47 Ophiuchi | X-ray source | F | 99 | |
| 48 Cassiopeiae | X-ray source | A | 114 | |
| 49 Librae | X-ray source | F | 107 | [x] |
| 50 Persei | X-ray source | F | 69 | |
| 51 Aquilae | X-ray source | F | 90 | [x] |
| 51 Tauri | X-ray source | F | 176 | |
| 52 Cygni | X-ray source | G | 201 | |
| 53 Aquarii | X-ray source | G | 66 | |
| 53 Herculis | X-ray source | F | 95 | |
| 53 Tauri | X-ray source | B | 270 | |
| 54 Persei | X-ray source | G | 218 | |
| 54 Piscium | X-ray source | K | 36 | [x] |
| 55 Eridani | X-ray source | A | 405 | |
| 55 Tauri | X-ray source | F | 152 | |
| 57 Cygni | X-ray source | B | 525 | |
| 58 Eridani | X-ray source | G | 43 | [x] |
| 59 Draconis | X-ray source | A | 89 | |
| 59 Virginis | X-ray source | G | 57 | [x] |
| 6 Andromedae | X-ray source | F | 90 | [x] |
| 6 Trianguli | X-ray source | G | 291 | |
| 60 Tauri | X-ray source | A | 144 | |
| 61 Cygni | X-ray source | K | 11 | [x] |
| 61 Ursae Majoris | X-ray source | G | 31 | [x] |
| 63 Eridani | X-ray source | G | 176 | |
| 63 Geminorum | X-ray source | F | 111 | |
| 63 Tauri | X-ray source | A | 163 | |
| 64 Piscium | X-ray source | F | 77 | |
| 66 Virginis | X-ray source | K | 97 | |
| 68 Draconis | X-ray source | F | 157 | |
| 68 Tauri | X-ray source | A | 149 | [x] |
| 70 Ophiuchi | X-ray source | K | 16 | [x] |
| 70 Tauri | X-ray source | F | 154 | |
| 71 Draconis | X-ray source | B | 378 | |
| 71 Tauri | X-ray source | F | 160 | |
| 72 Tauri | X-ray source | B | 378 | |
| 78 Piscium | X-ray source | F | 135 | |
| 78 Ursae Majoris | X-ray source | F | 83 | [x] |
| 80 Tauri | X-ray source | F | 149 | |
| 81 Leonis | X-ray source | F | 143 | |
| 84 Ceti | X-ray source | F | 74 | [x] |
| 85 Pegasi | X-ray source | G | 40 | [x] |
| 89 Leonis | X-ray source | F | 89 | |
| 9 Aurigae | X-ray source | F | 86 | [x] |
| 9 Ceti | X-ray source | G | 68 | [x] |
| 9 Puppis | X-ray source | G | 53 | |
| AA Orionis | X-ray source | K | 1342 | |
| AB Aurigae | X-ray source | A | 471 | [x] |
| AB Pictoris | X-ray source | K | 150 | [x] |
| AD Leonis | X-ray source | M | 16 | |
| AD95 1510 | X-ray source | | 1333 | |
| Adara | X-ray source | B | 405 | |
| ADS 16553 | X-ray source | G | 81 | |
| AE Fornacis | X-ray source | K | 103 | |
| AF Leporis | X-ray source | F | 88 | |
| AF Orionis | X-ray source | K | 1278 | |
| AG Carinae | X-ray source | W | 17167 | [x] |
| AG Doradus | X-ray source | K | 116 | |
| AG Orionis | X-ray source | G | 1345 | |
| AG+08 1194 | X-ray source | G | 78 | |
| Agena | X-ray source | B | 392 | |
| AGKR 1017 | X-ray source | F | 112 | |
| AK Orionis | X-ray source | G | 1342 | |
| AL Orionis | X-ray source | K | 1333 | |
| Alcor | X-ray source | A | 82 | [x] |
| Alcyone | X-ray source | B | 403 | [x] |
| Algol | X-ray source | B | 93 | [x] |
| Alhena | X-ray source | A | 109 | [x] |
| Alnair | X-ray source | B | 101 | |
| Alnitak | X-ray source | O | 736 | [x] |
| Alpha Arae | X-ray source | B | 267 | [x] |
| Alpha Caeli | X-ray source | F | 65 | [x] |
| Alpha Centauri | X-ray source | G | 4 | [x] |
| Alpha Chamaelontis | X-ray source | F | 64 | |
| Alpha Fornacis | X-ray source | F | 47 | [x] |
| Alpha Lupi | X-ray source | B | 465 | [x] |
| Alpha Octantis | X-ray source | F | 143 | |
| Alpha Pictoris | X-ray source | A | 96 | [x] |
| Alpha Reticuli | X-ray source | G | 161 | [x] |
| Alshain | X-ray source | G | 45 | [x] |
| Altair | X-ray source | A | 17 | [x] |
| AN Orionis | X-ray source | K | 1309 | |
| AN Sextantis | X-ray source | M | 26 | |
| Angetenar | X-ray source | K | 187 | |
| AO Orionis | X-ray source | | 1339 | |
| AP Orionis | X-ray source | M | 1263 | |
| AR Lacertae | X-ray source | K | 139 | |
| AR Orionis | X-ray source | | 1339 | |
| AS Orionis | X-ray source | | 1256 | |
| ASR 132 | X-ray source | | 1277 | |
| Atik | X-ray source | B | 751 | |
| AU Microscopii | X-ray source | M | 33 | [x] |
| AY Indi | X-ray source | M | 53 | |
| AZ Cancri | X-ray source | M | 51 | |
| AZ Orionis | X-ray source | K | 1279 | |
| Barnard's Star | X-ray source | M | 6 | [x] |
| BC Arietis | X-ray source | K | 73 | |
| BD+02 305 | X-ray source | M | 35 | |
| BD+04 3919 | X-ray source | G | 86 | |
| BD+07 4267 | X-ray source | G | 115 | |
| BD+09 897 | X-ray source | G | 1456 | |
| BD+11 2673 | X-ray source | G | 117 | |
| BD+11 2925 | X-ray source | G | 113 | |
| BD+15 4416 | X-ray source | F | 109 | |
| BD+18 3497 | X-ray source | K | 82 | |
| BD+21 652 | X-ray source | M | 37 | [x] |
| BD+21 717 | X-ray source | K | 86 | |
| BD+22 2632 | X-ray source | M | 91 | |
| BD+22 3878 | X-ray source | D | 1100 | [x] |
| BD+23 204 | X-ray source | G | 113 | |
| BD+23 296 | X-ray source | K | 119 | |
| BD+28 3900 | X-ray source | K | 69 | |
| BD+33 1025 | X-ray source | O | 824 | |
| BD+40 2208 | X-ray source | K | 74 | |
| BD+41 283 | X-ray source | F | 114 | |
| BD+41 3013 | X-ray source | F | 110 | |
| BD+43 2989 | X-ray source | G | 119 | |
| BD+44 4389 | X-ray source | K | 67 | |
| BD+47 1285 | X-ray source | F | 105 | |
| BD+49 1280 | X-ray source | M | 53 | |
| BD+49 1815 | X-ray source | G | 116 | |
| BD+52 1343 | X-ray source | F | 115 | |
| BD+55 1142 | X-ray source | K | 86 | |
| BD+65 626 | X-ray source | G | 119 | |
| BD+71 1033 | X-ray source | G | 114 | |
| BD+71 789 | X-ray source | F | 110 | |
| BD+80 389 | X-ray source | G | 115 | |
| BD-00 632 | X-ray source | F | 61 | |
| BD-02 5286 | X-ray source | F | 104 | |
| BD-05 1299 | X-ray source | F | 1331 | |
| BD-05 5480 | X-ray source | M | 88 | |
| BD-08 2963 | X-ray source | G | 120 | |
| BD-09 2535 | X-ray source | K | 109 | |
| BD-15 1822 | X-ray source | K | 81 | |
| BD-17 3140 | X-ray source | | 1400 | [x] |
| BD-18 394 | X-ray source | K | 76 | |
| BD-21 1074 | X-ray source | | 39 | |
| BD-21 3154 | X-ray source | K | 112 | |
| BD-22 286 | X-ray source | K | 95 | |
| Bean | X-ray source | | 137 | |
| Bellatrix | X-ray source | B | 253 | [x] |
| Beta Caeli | X-ray source | F | 93 | |
| Beta Comae Berenices | X-ray source | F | 30 | [x] |
| Beta Sculptoris | X-ray source | B | 175 | [x] |
| Beta Trianguli Australis | X-ray source | F | 41 | [x] |
| BO Microscopii | X-ray source | K | 145 | |
| BPM 45047 | X-ray source | K | 75 | |
| BR Piscium | X-ray source | M | 19 | |
| BSM2011 e110 | X-ray source | | 1599 | |
| BX Pegasi | X-ray source | G | 532 | |
| BY Draconis | X-ray source | K | 53 | |
| BZ Ceti | X-ray source | K | 80 | |
| Canopus | X-ray source | A | 309 | [x] |
| Capella | X-ray source | G | 43 | [x] |
| Caph | X-ray source | F | 55 | [x] |
| Castor | X-ray source | A | 51 | [x] |
| CC Eri | X-ray source | K | 38 | |
| Cc Phoenicis | X-ray source | K | 117 | |
| CD-24 10236 | X-ray source | K | 96 | |
| CD-24 13810 | X-ray source | B | 4345 | |
| CD-24 13823D | X-ray source | B | 4392 | |
| CD-26 14379 | X-ray source | K | 115 | |
| CD-26 369 | X-ray source | K | 115 | |
| CD-27 10200 | X-ray source | F | 112 | |
| CD-28 18361 | X-ray source | F | 111 | |
| CD-30 11949 | X-ray source | F | 115 | |
| CD-34 9020 | X-ray source | G | 110 | |
| CD-35 2722 | X-ray source | M | 70 | |
| CD-39 14212 | X-ray source | G | 115 | |
| CD-39 4830 | X-ray source | G | 115 | |
| CD-40 395 | X-ray source | F | 125 | |
| CD-41 11037 | X-ray source | O | 4049 | |
| CD-42 13922 | X-ray source | K | 110 | |
| CD-44 1695 | X-ray source | K | 96 | |
| CD-48 11069 | X-ray source | B | 4367 | |
| CD-48 3774 | X-ray source | G | 109 | |
| CD-50 2947 | X-ray source | F | 101 | |
| CD-51 2650 | X-ray source | F | 98 | |
| CD-53 136 | X-ray source | F | 147 | |
| CD-55 8747 | X-ray source | G | 113 | |
| CD-57 1054 | X-ray source | M | 87 | |
| CD-58 3526 | X-ray source | O | 8903 | |
| CD-58 538 | X-ray source | M | 55 | |
| CD-59 1681 | X-ray source | G | 107 | |
| CD-59 1706 | X-ray source | K | 97 | |
| CD-61 1439 | X-ray source | K | 73 | |
| CD-62 136 | X-ray source | F | 160 | |
| CD-62 234 | X-ray source | K | 87 | |
| CD-70 1702 | X-ray source | G | 119 | |
| CD-75 4 | X-ray source | G | 145 | |
| CD-77 45 | X-ray source | G | 152 | |
| CE Bootis | X-ray source | M | 33 | |
| CE Orionis | X-ray source | K | 1347 | |
| CF 17413 | X-ray source | K | 96 | |
| Chara | X-ray source | G | 28 | [x] |
| Chi Carinae | X-ray source | B | 455 | [x] |
| Chi Eridani | X-ray source | G | 58 | [x] |
| Chi Persei | X-ray source | | 7688 | [x] |
| CK Arietis | X-ray source | M | 98 | |
| Cl Pismis 24 1 | X-ray source | O | 8150 | |
| Cl Trumpler 14 29 | X-ray source | B | 8905 | |
| CM Draconis | X-ray source | M | 48 | |
| CO Camelopardalis | X-ray source | | 109 | |
| Coma | X-ray source | | 90 | [x] |
| Cor Caroli | X-ray source | A | 115 | [x] |
| CPD-41 7755 | X-ray source | B | 4091 | |
| CPD-58 2625 | X-ray source | O | 8900 | |
| CPD-59 2591 | X-ray source | O | 8227 | |
| CPD-59 2626 | X-ray source | O | 8248 | |
| CPD-59 2632 | X-ray source | B | 8194 | |
| CPD-60 604 | X-ray source | G | 77 | |
| CR Draco | X-ray source | M | 68 | |
| CR Draconis | X-ray source | M | 67 | |
| Crab Nebula | X-ray source | | 7004 | [x] |
| CSI-21-22270 | X-ray source | D | 700 | [x] |
| CU Cancri | X-ray source | M | 29 | |
| CW Ursae Majoris | X-ray source | M | 40 | |
| CX Com | X-ray source | M | 77 | |
| CXOONC J053517.5-052145 | X-ray source | | 1252 | |
| CXOU J061705.3+222127 | X-ray source | | 5000 | |
| DE Bootis | X-ray source | K | 38 | [x] |
| Delta Doradus | X-ray source | A | 150 | [x] |
| Delta Pavonis | X-ray source | G | 20 | [x] |
| Delta Sculptoris | X-ray source | A | 138 | [x] |
| Delta Trianguli | X-ray source | G | 35 | [x] |
| Deneb Algedi | X-ray source | | 39 | [x] |
| DH leonis | X-ray source | K | 103 | |
| Diphda | X-ray source | K | 96 | [x] |
| DK Leonis | X-ray source | M | 75 | |
| DK Ursae Majoris | X-ray source | G | 104 | |
| DM99 40 | X-ray source | | 1490 | |
| DM99 49 | X-ray source | | 1449 | |
| DM99 65 | X-ray source | K | 1416 | |
| DP Draconis | X-ray source | M | 33 | |
| DR Crucis | X-ray source | K | 99 | |
| DS Leonis | X-ray source | | 38 | |
| DT Virginis | X-ray source | M | 36 | |
| Dumbbell Nebula | X-ray source | | 1082 | [x] |
| DX Leonis | X-ray source | G | 58 | |
| e Lupi | X-ray source | B | 504 | |
| EGM 823 | X-ray source | K | 77 | |
| EI Cancri | X-ray source | M | 17 | |
| EK Draconis | X-ray source | G | 111 | |
| EP Eridani | X-ray source | K | 34 | |
| Epsilon Ceti | X-ray source | F | 88 | [x] |
| Epsilon Eridani | X-ray source | K | 11 | [x] |
| Epsilon Gruis | X-ray source | A | 129 | [x] |
| Epsilon Indi | X-ray source | K | 12 | [x] |
| Epsilon Orionis | X-ray source | B | 1976 | [x] |
| Epsilon Scorpii | X-ray source | K | 64 | [x] |
| Epsilon Sculptoris | X-ray source | F | 91 | |
| EQ Pegasi | X-ray source | M | 20 | |
| ER Vulpeculae | X-ray source | G | 170 | |
| ET Leonis | X-ray source | G | 234 | |
| Eta Andromedae | X-ray source | G | 229 | [x] |
| Eta Carina | X-ray source | | 8988 | |
| Eta Carinae | X-ray source | O | 7700 | [x] |
| Eta Cassiopeiae | X-ray source | F | 20 | [x] |
| Eta Draconis | X-ray source | G | 92 | [x] |
| Eta Herculis | X-ray source | G | 109 | [x] |
| Eta Leporis | X-ray source | F | 48 | [x] |
| Eta Normae | X-ray source | G | 219 | |
| Eta Scorpii | X-ray source | F | 74 | [x] |
| Ev Lacertae | X-ray source | M | 17 | |
| EZ Aquarii | X-ray source | M | 11 | [x] |
| EZ Orionis | X-ray source | G | 1281 | |
| EZ Piscium | X-ray source | M | 53 | |
| FAUST 3566 | X-ray source | F | 111 | |
| FAUST 3725 | X-ray source | D | 126 | |
| FAUST 68 | X-ray source | F | 124 | |
| FF Andromedae | X-ray source | M | 70 | |
| FK Aquarii | X-ray source | M | 28 | |
| FN Virginis | X-ray source | M | 27 | |
| FR Cancri | X-ray source | K | 112 | |
| FT Ceti | X-ray source | K | 78 | |
| FT Piscium | X-ray source | M | 39 | |
| G 116-72 | X-ray source | M | 73 | |
| G 140-9 | X-ray source | M | 66 | |
| G 148-13 | X-ray source | M | 28 | |
| G 173-39 | X-ray source | M | 47 | |
| G 173-53 | X-ray source | M | 39 | |
| G 175-42 | X-ray source | M | 33 | |
| G 188-9 | X-ray source | M | 44 | |
| G 190-28 | X-ray source | M | 49 | |
| G 239-25 | X-ray source | M | 35 | |
| G 274-72 | X-ray source | M | 64 | |
| G 41-14 | X-ray source | M | 14 | |
| G 5-32 | X-ray source | M | 59 | |
| G 97-20 | X-ray source | M | 40 | |
| G 99-49 | X-ray source | M | 18 | |
| G Hydrae | X-ray source | K | 157 | |
| G Lupi | X-ray source | F | 57 | |
| Gamma Doradus | X-ray source | F | 67 | [x] |
| Gamma Tucanae | X-ray source | F | 75 | [x] |
| GCRV 1568 | X-ray source | G | 110 | |
| GCRV 2311 | X-ray source | G | 105 | |
| GCRV 3204 | X-ray source | G | 118 | |
| GCRV 375 | X-ray source | F | 109 | |
| GHJ2008 3 | X-ray source | K | 26000 | |
| Ghost of Jupiter | X-ray source | | 1392 | [x] |
| Gliese 1081 | X-ray source | M | 50 | |
| Gliese 113.1 | X-ray source | K | 136 | |
| Gliese 2084 | X-ray source | K | 146 | |
| Gliese 2099 | X-ray source | G | 138 | |
| Gliese 282 C | X-ray source | | 46 | |
| Gliese 3002 | X-ray source | G | 128 | [x] |
| Gliese 3095 | X-ray source | G | 148 | |
| Gliese 3206 | X-ray source | K | 132 | |
| Gliese 3264 | X-ray source | G | 166 | |
| Gliese 384 | X-ray source | G | 130 | |
| Gliese 3876 | X-ray source | F | 141 | |
| Gliese 3930 | X-ray source | K | 253 | |
| Gliese 4261 | X-ray source | G | 194 | |
| Gliese 488.2 | X-ray source | K | 121 | |
| Gliese 668 | X-ray source | K | 359 | |
| Gliese 9336 | X-ray source | G | 166 | |
| Gliese 9496 | X-ray source | F | 161 | |
| GM Cephei | X-ray source | F | 2702 | |
| GQ Virginis | X-ray source | M | 37 | |
| GR Virginis | X-ray source | G | 166 | |
| Great Annihilator | X-ray source | | 23000 | |
| Groombridge 1618 | X-ray source | K | 16 | [x] |
| GRS 1730-312 | X-ray source | | 21000 | |
| GRS 1737-31 | X-ray source | | 28000 | |
| GRS 1739-278 | X-ray source | | 27000 | |
| GRS 1758-258 | X-ray source | | 16000 | |
| GT Pegasi | X-ray source | M | 50 | |
| GU Muscae | X-ray source | K | 16500 | [x] |
| GY Bootis | X-ray source | K | 109 | |
| h Draconis | X-ray source | F | 50 | |
| H97b 20071 | X-ray source | | 1285 | |
| H97b 20087 | X-ray source | M | 1251 | |
| H97b 20204 | X-ray source | M | 1312 | |
| H97b 20257 | X-ray source | | 1287 | |
| H97b 405 | X-ray source | M | 1292 | |
| H97b 748a | X-ray source | M | 1305 | |
| H97b 9238 | X-ray source | M | 1304 | |
| Haro 4-341 | X-ray source | | 1280 | |
| Haro 4-375 | X-ray source | | 1341 | |
| Haro 4-377 | X-ray source | M | 1283 | |
| HD 122510 | X-ray source | F | 124 | |
| HD 148937 | X-ray source | O | 1388 | |
| HD 149834 | X-ray source | B | 4417 | |
| HD 152200 | X-ray source | O | 4032 | |
| HD 152233 | X-ray source | O | 4009 | |
| HD 152314 | X-ray source | O | 4191 | |
| HD 162780 | X-ray source | A | 1045 | |
| HD 164906 | X-ray source | B | 4268 | |
| HD 167971 | X-ray source | O | 2160 | |
| HD 168137 | X-ray source | O | 1394 | |
| HD 193443 | X-ray source | O | 3546 | |
| HD 193576 | X-ray source | W | 2077 | |
| HD 208496 | X-ray source | F | 219 | |
| HD 215835 | X-ray source | O | 5018 | |
| HD 217086 | X-ray source | O | 1424 | |
| HD 239729 | X-ray source | B | 1117 | |
| HD 25373 | X-ray source | K | 1250 | |
| HD 310376 | X-ray source | A | 1294 | |
| HD 31381 | X-ray source | G | 1195 | |
| HD 315021 | X-ray source | B | 4354 | |
| HD 315025 | X-ray source | B | 4469 | |
| HD 315027 | X-ray source | F | 4412 | |
| HD 315035 | X-ray source | A | 4472 | |
| HD 36894 | X-ray source | B | 1574 | |
| HD 36917 | X-ray source | B | 1294 | |
| HD 37017 | X-ray source | B | 1240 | |
| HD 37334 | X-ray source | B | 1406 | |
| HD 47961 | X-ray source | B | 1469 | |
| HD 53456 | X-ray source | B | 3584 | |
| Helix Nebula | X-ray source | | 689 | [x] |
| HG 7-208 | X-ray source | M | 63 | |
| HH 17 | X-ray source | K | 1207 | |
| HIP 100046 | X-ray source | F | 182 | |
| HIP 100510 | X-ray source | A | 482 | |
| HIP 100570 | X-ray source | F | 148 | |
| HIP 10079 | X-ray source | F | 164 | |
| HIP 101341 | X-ray source | O | 2146 | |
| HIP 101422 | X-ray source | F | 337 | |
| HIP 101432 | X-ray source | G | 130 | |
| HIP 101726 | X-ray source | G | 123 | |
| HIP 10175 | X-ray source | G | 134 | |
| HIP 102815 | X-ray source | G | 167 | |
| HIP 103311 | X-ray source | F | 149 | |
| HIP 103626 | X-ray source | G | 201 | |
| HIP 104476 | X-ray source | G | 170 | |
| HIP 104478 | X-ray source | G | 458 | |
| HIP 104604 | X-ray source | F | 158 | |
| HIP 10474 | X-ray source | F | 276 | |
| HIP 104864 | X-ray source | G | 166 | |
| HIP 105156 | X-ray source | G | 147 | |
| HIP 105192 | X-ray source | F | 178 | |
| HIP 105200 | X-ray source | G | 156 | |
| HIP 105359 | X-ray source | G | 148 | |
| HIP 105388 | X-ray source | G | 141 | |
| HIP 105404 | X-ray source | G | 147 | |
| HIP 105992 | X-ray source | K | 126 | |
| HIP 106335 | X-ray source | K | 161 | |
| HIP 106395 | X-ray source | F | 184 | |
| HIP 10653 | X-ray source | M | 236 | |
| HIP 10681 | X-ray source | F | 148 | |
| HIP 10701 | X-ray source | F | 268 | |
| HIP 107345 | X-ray source | M | 143 | |
| HIP 107362 | X-ray source | F | 190 | |
| HIP 107412 | X-ray source | F | 125 | |
| HIP 107779 | X-ray source | G | 178 | |
| HIP 10786 | X-ray source | G | 228 | |
| HIP 108422 | X-ray source | G | 189 | |
| HIP 108912 | X-ray source | G | 135 | |
| HIP 109941 | X-ray source | K | 184 | |
| HIP 110 | X-ray source | K | 162 | |
| HIP 110753 | X-ray source | F | 152 | |
| HIP 11131 | X-ray source | G | 127 | |
| HIP 111718 | X-ray source | F | 292 | |
| HIP 112073 | X-ray source | K | 122 | |
| HIP 11218 | X-ray source | F | 182 | |
| HIP 112581 | X-ray source | G | 132 | |
| HIP 113001 | X-ray source | K | 166 | |
| HIP 1134 | X-ray source | F | 154 | |
| HIP 113598 | X-ray source | G | 215 | |
| HIP 11360 | X-ray source | F | 147 | |
| HIP 113905 | X-ray source | G | 160 | |
| HIP 114294 | X-ray source | M | 127 | |
| HIP 11437 | X-ray source | K | 139 | |
| HIP 11448 | X-ray source | F | 167 | |
| HIP 114530 | X-ray source | G | 160 | |
| HIP 115361 | X-ray source | F | 241 | |
| HIP 11537 | X-ray source | G | 195 | |
| HIP 115555 | X-ray source | G | 289 | |
| HIP 116045 | X-ray source | K | 201 | |
| HIP 116436 | X-ray source | F | 126 | |
| HIP 116740 | X-ray source | G | 162 | |
| HIP 116910 | X-ray source | G | 208 | |
| HIP 116984 | X-ray source | G | 153 | |
| HIP 117972 | X-ray source | G | 164 | |
| HIP 118062 | X-ray source | G | 205 | |
| HIP 12031 | X-ray source | D | 299 | |
| HIP 12685 | X-ray source | G | 160 | |
| HIP 12716 | X-ray source | G | 133 | |
| HIP 12837 | X-ray source | F | 136 | |
| HIP 12925 | X-ray source | F | 177 | |
| HIP 13528 | X-ray source | F | 139 | |
| HIP 13955 | X-ray source | F | 216 | |
| HIP 14007 | X-ray source | G | 151 | |
| HIP 14157 | X-ray source | K | 165 | |
| HIP 14237 | X-ray source | F | 137 | |
| HIP 1427 | X-ray source | F | 147 | |
| HIP 14356 | X-ray source | F | 218 | |
| HIP 14415 | X-ray source | F | 253 | |
| HIP 14809 | X-ray source | G | 175 | |
| HIP 14944 | X-ray source | F | 156 | |
| HIP 14992 | X-ray source | K | 185 | |
| HIP 15058 | X-ray source | G | 214 | |
| HIP 15204 | X-ray source | A | 199 | |
| HIP 15215 | X-ray source | F | 176 | |
| HIP 15241 | X-ray source | G | 439 | |
| HIP 15300 | X-ray source | K | 128 | |
| HIP 15310 | X-ray source | G | 136 | |
| HIP 15412 | X-ray source | G | 193 | |
| HIP 1550 | X-ray source | B | 516 | |
| HIP 15609 | X-ray source | K | 123 | |
| HIP 15669 | X-ray source | F | 143 | |
| HIP 1573 | X-ray source | F | 143 | |
| HIP 15731 | X-ray source | F | 402 | |
| HIP 16544 | X-ray source | G | 172 | |
| HIP 16712 | X-ray source | F | 174 | |
| HIP 16713 | X-ray source | F | 246 | |
| HIP 17298 | X-ray source | F | 132 | |
| HIP 17338 | X-ray source | G | 164 | |
| HIP 17468 | X-ray source | A | 721 | |
| HIP 17664 | X-ray source | B | 425 | |
| HIP 17782 | X-ray source | G | 169 | |
| HIP 17791 | X-ray source | A | 473 | |
| HIP 17820 | X-ray source | G | 158 | |
| HIP 17873 | X-ray source | G | 323 | |
| HIP 17903 | X-ray source | G | 156 | |
| HIP 17923 | X-ray source | A | 479 | |
| HIP 17962 | X-ray source | K | 144 | |
| HIP 17988 | X-ray source | F | 224 | |
| HIP 18187 | X-ray source | F | 134 | |
| HIP 18837 | X-ray source | F | 221 | |
| HIP 18839 | X-ray source | F | 200 | |
| HIP 19052 | X-ray source | G | 206 | |
| HIP 19091 | X-ray source | F | 225 | |
| HIP 19176 | X-ray source | G | 353 | |
| HIP 19183 | X-ray source | F | 181 | |
| HIP 19217 | X-ray source | F | 211 | |
| HIP 19504 | X-ray source | F | 144 | |
| HIP 19591 | X-ray source | K | 124 | |
| HIP 19684 | X-ray source | G | 194 | |
| HIP 19762 | X-ray source | K | 313 | |
| HIP 19786 | X-ray source | G | 140 | |
| HIP 19793 | X-ray source | G | 155 | |
| HIP 19796 | X-ray source | F | 146 | |
| HIP 19808 | X-ray source | K | 122 | |
| HIP 20019 | X-ray source | G | 150 | |
| HIP 20056 | X-ray source | G | 151 | |
| HIP 20086 | X-ray source | K | 166 | |
| HIP 20097 | X-ray source | K | 446 | |
| HIP 20146 | X-ray source | G | 151 | |
| HIP 20160 | X-ray source | K | 250 | |
| HIP 20237 | X-ray source | G | 140 | |
| HIP 20263 | X-ray source | K | 199 | |
| HIP 20349 | X-ray source | F | 170 | |
| HIP 20357 | X-ray source | F | 171 | |
| HIP 20375 | X-ray source | G | 180 | |
| HIP 20387 | X-ray source | K | 436 | |
| HIP 20388 | X-ray source | G | 417 | |
| HIP 20440 | X-ray source | G | 142 | |
| HIP 20441 | X-ray source | G | 129 | |
| HIP 20482 | X-ray source | K | 198 | |
| HIP 20485 | X-ray source | K | 154 | |
| HIP 20491 | X-ray source | F | 166 | |
| HIP 20492 | X-ray source | G | 151 | |
| HIP 20541 | X-ray source | F | 209 | |
| HIP 20557 | X-ray source | F | 145 | |
| HIP 20567 | X-ray source | F | 174 | |
| HIP 20577 | X-ray source | G | 157 | |
| HIP 20586 | X-ray source | F | 152 | |
| HIP 20673 | X-ray source | K | 140 | |
| HIP 20679 | X-ray source | K | 157 | |
| HIP 20686 | X-ray source | G | 145 | |
| HIP 20712 | X-ray source | F | 162 | |
| HIP 20719 | X-ray source | G | 147 | |
| HIP 20741 | X-ray source | G | 150 | |
| HIP 20752 | X-ray source | G | 168 | |
| HIP 20815 | X-ray source | G | 153 | |
| HIP 20826 | X-ray source | F | 152 | |
| HIP 20827 | X-ray source | K | 172 | |
| HIP 20899 | X-ray source | G | 152 | |
| HIP 20916 | X-ray source | F | 158 | |
| HIP 20935 | X-ray source | G | 141 | |
| HIP 20949 | X-ray source | G | 198 | |
| HIP 20951 | X-ray source | K | 136 | |
| HIP 20978 | X-ray source | K | 134 | |
| HIP 21053 | X-ray source | F | 136 | |
| HIP 21112 | X-ray source | F | 171 | |
| HIP 21120 | X-ray source | A | 562 | |
| HIP 21123 | X-ray source | K | 143 | |
| HIP 21144 | X-ray source | G | 378 | |
| HIP 21173 | X-ray source | G | 505 | |
| HIP 21179 | X-ray source | K | 184 | |
| HIP 21246 | X-ray source | F | 363 | |
| HIP 21251 | X-ray source | B | 438 | |
| HIP 21267 | X-ray source | F | 146 | |
| HIP 21280 | X-ray source | G | 136 | |
| HIP 21317 | X-ray source | F | 148 | |
| HIP 21380 | X-ray source | K | 155 | |
| HIP 21474 | X-ray source | F | 149 | |
| HIP 21543 | X-ray source | G | 139 | |
| HIP 21632 | X-ray source | G | 183 | |
| HIP 21637 | X-ray source | F | 145 | |
| HIP 21762 | X-ray source | K | 147 | |
| HIP 22000 | X-ray source | | 524 | |
| HIP 22055 | X-ray source | G | 200 | |
| HIP 22150 | X-ray source | F | 280 | |
| HIP 22221 | X-ray source | F | 130 | |
| HIP 22224 | X-ray source | K | 136 | |
| HIP 22295 | X-ray source | F | 199 | |
| HIP 22350 | X-ray source | G | 168 | |
| HIP 2239 | X-ray source | F | 181 | |
| HIP 22394 | X-ray source | K | 162 | |
| HIP 22395 | X-ray source | G | 133 | |
| HIP 22496 | X-ray source | F | 163 | |
| HIP 22505 | X-ray source | G | 138 | |
| HIP 22506 | X-ray source | G | 172 | |
| HIP 22524 | X-ray source | F | 169 | |
| HIP 22550 | X-ray source | F | 153 | |
| HIP 22607 | X-ray source | F | 133 | |
| HIP 22616 | X-ray source | F | 162 | |
| HIP 22938 | X-ray source | F | 196 | |
| HIP 22944 | X-ray source | G | 784 | |
| HIP 23100 | X-ray source | F | 159 | |
| HIP 23421 | X-ray source | A | 192 | |
| HIP 23425 | X-ray source | F | 196 | |
| HIP 23509 | X-ray source | G | 208 | |
| HIP 23662 | X-ray source | G | 186 | |
| HIP 23692 | X-ray source | D | 195 | |
| HIP 23824 | X-ray source | F | 157 | |
| HIP 23841 | X-ray source | F | 222 | |
| HIP 24020 | X-ray source | G | 178 | |
| HIP 24035 | X-ray source | G | 129 | |
| HIP 24221 | X-ray source | F | 200 | |
| HIP 24658 | X-ray source | F | 174 | |
| HIP 24709 | X-ray source | B | 951 | |
| HIP 24947 | X-ray source | F | 158 | |
| HIP 25709 | X-ray source | G | 231 | |
| HIP 25879 | X-ray source | G | 265 | |
| HIP 26030 | X-ray source | G | 206 | |
| HIP 26067 | X-ray source | K | 138 | |
| HIP 26144 | X-ray source | F | 256 | |
| HIP 26176 | X-ray source | B | 1520 | |
| HIP 26926 | X-ray source | F | 163 | |
| HIP 2710 | X-ray source | F | 133 | |
| HIP 27134 | X-ray source | K | 163 | |
| HIP 27371 | X-ray source | G | 145 | |
| HIP 27417 | X-ray source | G | 141 | |
| HIP 27441 | X-ray source | K | 141 | |
| HIP 27609 | X-ray source | G | 163 | |
| HIP 27969 | X-ray source | F | 230 | |
| HIP 28036 | X-ray source | F | 177 | |
| HIP 28393 | X-ray source | K | 133 | |
| HIP 2843 | X-ray source | F | 147 | |
| HIP 28498 | X-ray source | F | 183 | |
| HIP 29216 | X-ray source | O | 994 | |
| HIP 29720 | X-ray source | F | 126 | |
| HIP 29964 | X-ray source | K | 126 | |
| HIP 30030 | X-ray source | G | 161 | |
| HIP 3035 | X-ray source | F | 205 | |
| HIP 30605 | X-ray source | F | 188 | |
| HIP 32435 | X-ray source | F | 183 | |
| HIP 3342 | X-ray source | G | 189 | |
| HIP 33451 | X-ray source | F | 141 | |
| HIP 3354 | X-ray source | F | 421 | |
| HIP 33737 | X-ray source | K | 192 | |
| HIP 34024 | X-ray source | F | 122 | |
| HIP 34201 | X-ray source | G | 380 | |
| HIP 3451 | X-ray source | F | 341 | |
| HIP 35185 | X-ray source | G | 174 | |
| HIP 35374 | X-ray source | G | 195 | |
| HIP 3540 | X-ray source | F | 135 | |
| HIP 37068 | X-ray source | F | 202 | |
| HIP 37170 | X-ray source | G | 128 | |
| HIP 3729 | X-ray source | K | 244 | |
| HIP 37645 | X-ray source | F | 166 | |
| HIP 37855 | X-ray source | G | 262 | |
| HIP 38225 | X-ray source | G | 148 | |
| HIP 38422 | X-ray source | F | 128 | |
| HIP 39887 | X-ray source | K | 161 | |
| HIP 4041 | X-ray source | G | 132 | |
| HIP 40430 | X-ray source | O | 315 | |
| HIP 40882 | X-ray source | G | 122 | |
| HIP 41277 | X-ray source | K | 142 | |
| HIP 41322 | X-ray source | K | 149 | |
| HIP 41688 | X-ray source | G | 292 | |
| HIP 41967 | X-ray source | G | 147 | |
| HIP 42455 | X-ray source | F | 131 | |
| HIP 4253 | X-ray source | K | 251 | |
| HIP 42753 | X-ray source | F | 164 | |
| HIP 43299 | X-ray source | F | 131 | |
| HIP 4332 | X-ray source | G | 243 | |
| HIP 43751 | X-ray source | G | 131 | |
| HIP 44324 | X-ray source | G | 143 | |
| HIP 44777 | X-ray source | G | 152 | |
| HIP 45096 | X-ray source | K | 134 | |
| HIP 45274 | X-ray source | F | 171 | |
| HIP 46422 | X-ray source | K | 127 | |
| HIP 46524 | X-ray source | F | 212 | |
| HIP 46690 | X-ray source | F | 150 | |
| HIP 47527 | X-ray source | G | 167 | |
| HIP 47652 | X-ray source | F | 173 | |
| HIP 47957 | X-ray source | F | 168 | |
| HIP 48047 | X-ray source | F | 184 | |
| HIP 48095 | X-ray source | F | 150 | |
| HIP 48125 | X-ray source | F | 131 | |
| HIP 48298 | X-ray source | A | 775 | |
| HIP 48592 | X-ray source | F | 159 | |
| HIP 4907 | X-ray source | G | 83 | |
| HIP 4909 | X-ray source | G | 184 | |
| HIP 49674 | X-ray source | G | 126 | |
| HIP 49767 | X-ray source | G | 142 | |
| HIP 49882 | X-ray source | | 180 | |
| HIP 50084 | X-ray source | F | 174 | |
| HIP 50489 | X-ray source | G | 158 | |
| HIP 5099 | X-ray source | F | 179 | |
| HIP 51721 | X-ray source | G | 173 | |
| HIP 51955 | X-ray source | G | 201 | |
| HIP 51996 | X-ray source | K | 207 | |
| HIP 52261 | X-ray source | B | 478 | |
| HIP 52498 | X-ray source | F | 121 | |
| HIP 52815 | X-ray source | B | 474 | |
| HIP 53016 | X-ray source | A | 508 | |
| HIP 53923 | X-ray source | K | 168 | |
| HIP 54047 | X-ray source | G | 176 | |
| HIP 54233 | X-ray source | F | 128 | |
| HIP 54529 | X-ray source | K | 181 | |
| HIP 55469 | X-ray source | F | 192 | |
| HIP 55746 | X-ray source | F | 271 | |
| HIP 56229 | X-ray source | M | 146 | |
| HIP 56960 | X-ray source | F | 128 | |
| HIP 57059 | X-ray source | K | 158 | |
| HIP 57078 | X-ray source | F | 192 | |
| HIP 57269 | X-ray source | K | 158 | |
| HIP 57589 | X-ray source | | 164 | |
| HIP 58029 | X-ray source | G | 146 | |
| HIP 58180 | X-ray source | G | 158 | |
| HIP 58268 | X-ray source | F | 152 | |
| HIP 58416 | X-ray source | A | 365 | |
| HIP 58490 | X-ray source | K | 330 | |
| HIP 58876 | X-ray source | F | 148 | |
| HIP 59093 | X-ray source | A | 336 | |
| HIP 59243 | X-ray source | A | 306 | |
| HIP 59253 | X-ray source | G | 176 | |
| HIP 5945 | X-ray source | F | 256 | |
| HIP 59646 | X-ray source | G | 214 | |
| HIP 59843 | X-ray source | F | 223 | |
| HIP 60304 | X-ray source | F | 323 | |
| HIP 60331 | X-ray source | G | 138 | |
| HIP 60406 | X-ray source | F | 282 | |
| HIP 60438 | X-ray source | K | 147 | |
| HIP 60553 | X-ray source | K | 236 | |
| HIP 61072 | X-ray source | F | 138 | |
| HIP 61109 | X-ray source | G | 279 | |
| HIP 61272 | X-ray source | G | 170 | |
| HIP 62438 | X-ray source | F | 181 | |
| HIP 6256 | X-ray source | A | 337 | |
| HIP 62758 | X-ray source | K | 122 | |
| HIP 62772 | X-ray source | K | 128 | |
| HIP 63235 | X-ray source | F | 176 | |
| HIP 63317 | X-ray source | G | 145 | |
| HIP 63322 | X-ray source | G | 132 | |
| HIP 63407 | X-ray source | F | 296 | |
| HIP 63862 | X-ray source | G | 159 | |
| HIP 63938 | X-ray source | F | 361 | |
| HIP 641 | X-ray source | G | 159 | |
| HIP 6512 | X-ray source | G | 184 | [x] |
| HIP 65135 | X-ray source | F | 156 | |
| HIP 65423 | X-ray source | G | 406 | |
| HIP 65775 | X-ray source | F | 124 | |
| HIP 65921 | X-ray source | F | 198 | |
| HIP 66072 | X-ray source | K | 150 | |
| HIP 66216 | X-ray source | F | 198 | |
| HIP 66433 | X-ray source | A | 265 | |
| HIP 66514 | X-ray source | G | 150 | |
| HIP 66865 | X-ray source | K | 162 | |
| HIP 66963 | X-ray source | G | 388 | |
| HIP 67009 | X-ray source | G | 190 | |
| HIP 67195 | X-ray source | F | 143 | |
| HIP 67379 | X-ray source | F | 200 | |
| HIP 67527 | X-ray source | G | 192 | |
| HIP 68186 | X-ray source | K | 436 | |
| HIP 6869 | X-ray source | F | 175 | |
| HIP 68801 | X-ray source | G | 155 | |
| HIP 69457 | X-ray source | G | 196 | |
| HIP 69518 | X-ray source | F | 122 | |
| HIP 69715 | X-ray source | F | 184 | |
| HIP 69982 | X-ray source | G | 132 | |
| HIP 70103 | X-ray source | F | 161 | |
| HIP 70202 | X-ray source | G | 237 | |
| HIP 70714 | X-ray source | F | 143 | |
| HIP 71440 | X-ray source | G | 157 | |
| HIP 7148 | X-ray source | A | 312 | |
| HIP 71899 | X-ray source | F | 151 | |
| HIP 71933 | X-ray source | F | 274 | |
| HIP 71989 | X-ray source | G | 153 | |
| HIP 72053 | X-ray source | G | 187 | |
| HIP 72703 | X-ray source | G | 125 | |
| HIP 72804 | X-ray source | F | 291 | |
| HIP 72986 | X-ray source | F | 135 | |
| HIP 73623 | X-ray source | G | 133 | |
| HIP 73765 | X-ray source | F | 160 | |
| HIP 74405 | X-ray source | G | 164 | |
| HIP 74915 | X-ray source | A | 290 | |
| HIP 75416 | X-ray source | K | 135 | |
| HIP 7564 | X-ray source | K | 144 | |
| HIP 76582 | X-ray source | F | 155 | |
| HIP 76629 | X-ray source | K | 126 | |
| HIP 76768 | X-ray source | K | 131 | |
| HIP 77199 | X-ray source | K | 132 | |
| HIP 77310 | X-ray source | F | 131 | |
| HIP 77393 | X-ray source | F | 463 | |
| HIP 77749 | X-ray source | G | 127 | |
| HIP 77810 | X-ray source | G | 133 | |
| HIP 77958 | X-ray source | F | 147 | |
| HIP 78461 | X-ray source | F | 234 | |
| HIP 78756 | X-ray source | A | 473 | |
| HIP 78864 | X-ray source | G | 136 | |
| HIP 7916 | X-ray source | F | 129 | |
| HIP 79462 | X-ray source | G | 735 | |
| HIP 7949 | X-ray source | F | 150 | |
| HIP 79644 | X-ray source | F | 522 | |
| HIP 79981 | X-ray source | F | 137 | |
| HIP 80065 | X-ray source | G | 147 | |
| HIP 81010 | X-ray source | F | 144 | |
| HIP 81772 | X-ray source | F | 494 | |
| HIP 82030 | X-ray source | K | 128 | |
| HIP 8251 | X-ray source | G | 258 | |
| HIP 82688 | X-ray source | F | 153 | |
| HIP 82691 | X-ray source | O | 4056 | |
| HIP 83099 | X-ray source | G | 171 | |
| HIP 83546 | X-ray source | G | 214 | |
| HIP 83630 | X-ray source | K | 163 | |
| HIP 84323 | X-ray source | F | 174 | |
| HIP 84548 | X-ray source | F | 223 | |
| HIP 84642 | X-ray source | G | 192 | |
| HIP 85000 | X-ray source | F | 189 | |
| HIP 85129 | X-ray source | G | 134 | |
| HIP 8564 | X-ray source | F | 192 | |
| HIP 85683 | X-ray source | F | 161 | |
| HIP 85906 | X-ray source | F | 235 | |
| HIP 86509 | X-ray source | K | 143 | |
| HIP 86569 | X-ray source | K | 209 | |
| HIP 8661 | X-ray source | F | 195 | |
| HIP 86882 | X-ray source | K | 155 | |
| HIP 86919 | X-ray source | F | 243 | |
| HIP 87079 | X-ray source | G | 132 | |
| HIP 87877 | X-ray source | F | 229 | |
| HIP 87965 | X-ray source | F | 288 | |
| HIP 88356 | X-ray source | F | 223 | |
| HIP 88399 | X-ray source | F | 156 | |
| HIP 88572 | X-ray source | G | 168 | |
| HIP 88637 | X-ray source | G | 129 | |
| HIP 89743 | X-ray source | O | 1371 | |
| HIP 90565 | X-ray source | G | 222 | |
| HIP 91043 | X-ray source | G | 124 | |
| HIP 91337 | X-ray source | F | 169 | |
| HIP 91404 | X-ray source | K | 128 | |
| HIP 9141 | X-ray source | G | 133 | |
| HIP 91507 | X-ray source | F | 151 | |
| HIP 91563 | X-ray source | F | 171 | |
| HIP 93412 | X-ray source | F | 210 | |
| HIP 93995 | X-ray source | F | 200 | |
| HIP 94214 | X-ray source | F | 177 | |
| HIP 94235 | X-ray source | G | 200 | |
| HIP 94423 | X-ray source | F | 202 | |
| HIP 94863 | X-ray source | G | 137 | |
| HIP 94905 | X-ray source | F | 122 | |
| HIP 94966 | X-ray source | F | 162 | |
| HIP 9499 | X-ray source | F | 213 | |
| HIP 9519 | X-ray source | G | 166 | |
| HIP 95864 | X-ray source | G | 149 | |
| HIP 95938 | X-ray source | F | 179 | |
| HIP 96515 | X-ray source | M | 144 | |
| HIP 97384 | X-ray source | G | 158 | |
| HIP 97394 | X-ray source | D | 345 | |
| HIP 9753 | X-ray source | K | 129 | |
| HIP 98839 | X-ray source | G | 152 | |
| HIP 99982 | X-ray source | W | 562 | |
| HK Aquarii | X-ray source | M | 72 | |
| HL Lupis | X-ray source | M | 25000 | |
| HN Bootis | X-ray source | K | 53 | [x] |
| HO Bootis | X-ray source | K | 82 | |
| HP Cancri | X-ray source | K | 76 | |
| HR 1014 | X-ray source | A | 179 | |
| HR 108 | X-ray source | F | 105 | |
| HR 1107 | X-ray source | F | 138 | |
| HR 120 | X-ray source | F | 141 | |
| HR 1233 | X-ray source | F | 131 | |
| HR 1245 | X-ray source | F | 200 | |
| HR 1254 | X-ray source | F | 113 | |
| HR 1257 | X-ray source | F | 116 | |
| HR 1327 | X-ray source | G | 319 | |
| HR 1354 | X-ray source | F | 158 | |
| HR 1358 | X-ray source | D | 154 | |
| HR 1385 | X-ray source | F | 165 | |
| HR 1436 | X-ray source | F | 141 | |
| HR 1504 | X-ray source | G | 100 | |
| HR 1575 | X-ray source | F | 140 | |
| HR 1594 | X-ray source | F | 91 | |
| HR 1597 | X-ray source | F | 99 | |
| HR 1668 | X-ray source | F | 159 | |
| HR 1687 | X-ray source | F | 123 | |
| HR 1785 | X-ray source | F | 163 | |
| HR 1891 | X-ray source | B | 1332 | |
| HR 1898 | X-ray source | B | 1178 | |
| HR 197 | X-ray source | F | 87 | |
| HR 2030 | X-ray source | B | 1121 | |
| HR 2351 | X-ray source | A | 194 | |
| HR 2365 | X-ray source | F | 117 | |
| HR 2370 | X-ray source | B | 989 | |
| HR 2439 | X-ray source | F | 107 | |
| HR 2551 | X-ray source | F | 203 | |
| HR 2562 | X-ray source | F | 110 | |
| HR 2641 | X-ray source | G | 385 | |
| HR 297 | X-ray source | F | 263 | |
| HR 3022 | X-ray source | B | 591 | |
| HR 303 | X-ray source | F | 144 | |
| HR 3072 | X-ray source | F | 129 | |
| HR 3316 | X-ray source | F | 115 | |
| HR 3499 | X-ray source | F | 93 | |
| HR 3714 | X-ray source | F | 162 | |
| HR 3747 | X-ray source | F | 137 | |
| HR 3991 | X-ray source | F | 91 | |
| HR 4068 | X-ray source | F | 204 | |
| HR 407 | X-ray source | F | 222 | |
| HR 415 | X-ray source | F | 134 | [x] |
| HR 4220 | X-ray source | B | 476 | |
| HR 4373 | X-ray source | F | 155 | |
| HR 4574 | X-ray source | A | 153 | |
| HR 4637 | X-ray source | G | 172 | |
| HR 4680 | X-ray source | A | 194 | |
| HR 4758 | X-ray source | G | 80 | |
| HR 484 | X-ray source | F | 180 | |
| HR 4867 | X-ray source | F | 79 | |
| HR 4926 | X-ray source | F | 128 | |
| HR 4934 | X-ray source | F | 120 | |
| HR 494 | X-ray source | F | 136 | |
| HR 4979 | X-ray source | G | 67 | |
| HR 5048 | X-ray source | F | 128 | |
| HR 5128 | X-ray source | F | 152 | |
| HR 5307 | X-ray source | F | 145 | |
| HR 5346 | X-ray source | F | 106 | [x] |
| HR 5347 | X-ray source | F | 163 | |
| HR 5387 | X-ray source | F | 119 | [x] |
| HR 5445 | X-ray source | F | 133 | [x] |
| HR 574 | X-ray source | G | 249 | |
| HR 5758 | X-ray source | F | 165 | |
| HR 5779 | X-ray source | F | 83 | |
| HR 5813 | X-ray source | F | 120 | |
| HR 5988 | X-ray source | B | 526 | |
| HR 6091 | X-ray source | F | 86 | |
| HR 6199 | X-ray source | K | 271 | |
| HR 6237 | X-ray source | F | 87 | |
| HR 6265 | X-ray source | W | 3166 | |
| HR 6267 | X-ray source | F | 118 | |
| HR 6594 | X-ray source | F | 114 | |
| HR 6670 | X-ray source | F | 102 | |
| HR 6828 | X-ray source | F | 75 | |
| HR 6981 | X-ray source | G | 107 | |
| HR 6985 | X-ray source | F | 126 | |
| HR 7012 | X-ray source | A | 93 | |
| HR 7038 | X-ray source | F | 199 | |
| HR 7123 | X-ray source | G | 83 | |
| HR 7162 | X-ray source | F | 48 | |
| HR 7169 | X-ray source | B | 139 | |
| HR 7170 | X-ray source | B | 253 | |
| HR 7280 | X-ray source | F | 142 | |
| HR 7468 | X-ray source | G | 134 | |
| HR 7484 | X-ray source | F | 133 | |
| HR 7605 | X-ray source | F | 163 | |
| HR 7674 | X-ray source | F | 76 | |
| HR 7743 | X-ray source | G | 318 | |
| HR 7767 | X-ray source | O | 1941 | |
| HR 7793 | X-ray source | F | 85 | |
| HR 780 | X-ray source | F | 180 | |
| HR 784 | X-ray source | F | 71 | |
| HR 7925 | X-ray source | F | 108 | |
| HR 8061 | X-ray source | F | 64 | |
| HR 8170 | X-ray source | F | 88 | |
| HR 8208 | X-ray source | F | 109 | |
| HR 8210 | X-ray source | | 151 | [x] |
| HR 826 | X-ray source | F | 157 | |
| HR 827 | X-ray source | F | 129 | |
| HR 8281 | X-ray source | O | 1977 | |
| HR 8352 | X-ray source | F | 152 | |
| HR 8423 | X-ray source | F | 128 | |
| HR 8463 | X-ray source | A | 179 | |
| HR 8472 | X-ray source | F | 122 | |
| HR 853 | X-ray source | A | 288 | |
| HR 8631 | X-ray source | G | 110 | |
| HR 8788 | X-ray source | F | 142 | |
| HR 8792 | X-ray source | F | 91 | |
| HR 8814 | X-ray source | F | 110 | |
| HR 9060 | X-ray source | A | 215 | |
| Hu Delphinus | X-ray source | M | 28 | |
| Hydrae | X-ray source | | 126 | |
| i Bootis | X-ray source | G | 42 | [x] |
| I Carinae | X-ray source | F | 53 | [x] |
| I Puppis | X-ray source | F | 70 | [x] |
| II Orionis | X-ray source | K | 1288 | |
| IM Orionis | X-ray source | M | 1334 | |
| Iota Capricorni | X-ray source | G | 197 | [x] |
| Iota Gruis | X-ray source | K | 183 | [x] |
| Iota Horologii | X-ray source | F | 56 | [x] |
| Iota Hydri | X-ray source | F | 97 | |
| Iota Persei | X-ray source | F | 35 | [x] |
| Iota Piscium | X-ray source | F | 45 | |
| Iota Sculptoris | X-ray source | K | 331 | |
| Iota Tucanae | X-ray source | G | 305 | |
| IS Orionis | X-ray source | K | 1322 | |
| IX Orionis | X-ray source | K | 1331 | |
| IZ Bootis | X-ray source | M | 67 | |
| IZ Orionis | X-ray source | | 1307 | |
| JW 222 | X-ray source | M | 1270 | |
| JW 285 | X-ray source | M | 1300 | |
| JW 392 | X-ray source | M | 1349 | |
| Kaffaljidhma | X-ray source | A | 80 | [x] |
| Kappa Fornacis | X-ray source | G | 72 | |
| Kappa Reticuli | X-ray source | F | 71 | |
| Kappa Tucanae | X-ray source | F | 68 | |
| Kaus Australis | X-ray source | B | 143 | [x] |
| Kornephoros | X-ray source | G | 139 | [x] |
| KP Orionis | X-ray source | | 1251 | |
| KP Tauri | X-ray source | M | 56 | |
| KR Orionis | X-ray source | K | 1305 | |
| KV Ursae Majoris | X-ray source | K | 6000 | |
| KY Monocerotis | X-ray source | C | 2175 | |
| KZ Andromedae | X-ray source | G | 77 | |
| Lacaille 8760 | X-ray source | M | 13 | [x] |
| Lalande 13198 | X-ray source | F | 97 | [x] |
| Lalande 13924 | X-ray source | K | 82 | |
| Lalande 18115 | X-ray source | K | 20 | |
| Lalande 18397 | X-ray source | K | 81 | |
| Lalande 21185 | X-ray source | M | 9 | [x] |
| Lalande 22954 | X-ray source | F | 73 | |
| Lalande 26630 | X-ray source | F | 105 | |
| Lalande 2682 | X-ray source | K | 78 | |
| Lalande 27055 | X-ray source | F | 60 | [x] |
| Lalande 29917 | X-ray source | M | 35 | |
| Lalande 38451 | X-ray source | G | 61 | |
| Lalande 39866 | X-ray source | K | 60 | |
| Lalande 46867 | X-ray source | K | 130 | |
| Lalande 8441 | X-ray source | F | 105 | |
| Lalande 9428 | X-ray source | F | 130 | |
| lam01 Orionis | X-ray source | O | 1440 | |
| Lambda Andromedae | X-ray source | G | 86 | [x] |
| Lambda Serpentis | X-ray source | G | 40 | [x] |
| LB 2449 | X-ray source | B | 61 | |
| LDS 2314 | X-ray source | M | 58 | |
| LFT 1061 | X-ray source | K | 33 | |
| LFT 141 | X-ray source | M | 73 | |
| LFT 168 | X-ray source | M | 36 | |
| LFT 1728 | X-ray source | M | 43 | |
| LFT 200 | X-ray source | M | 47 | |
| LFT 215 | X-ray source | M | 31 | |
| LFT 238 | X-ray source | K | 94 | |
| LFT 392 | X-ray source | M | 68 | |
| LFT 628 | X-ray source | M | 45 | |
| LFT 90 | X-ray source | M | 35 | |
| LHS 1068 | X-ray source | M | 62 | |
| LHS 1163 | X-ray source | K | 46 | |
| LHS 1358 | X-ray source | M | 54 | |
| LHS 1507 | X-ray source | M | 52 | |
| LHS 1681 | X-ray source | M | 51 | |
| LHS 1723 | X-ray source | M | 20 | [x] |
| LHS 1827 | X-ray source | M | 19 | |
| LHS 1865 | X-ray source | K | 71 | |
| LHS 1875 | X-ray source | K | 28 | [x] |
| LHS 1885 | X-ray source | M | 26 | |
| LHS 2166 | X-ray source | M | 31 | |
| LHS 2211 | X-ray source | M | 34 | |
| LHS 2317 | X-ray source | M | 77 | |
| LHS 2432 | X-ray source | K | 78 | |
| LHS 2852 | X-ray source | | 77 | |
| LHS 2887 | X-ray source | M | 29 | |
| LHS 2931 | X-ray source | K | 74 | |
| LHS 3035 | X-ray source | M | 77 | |
| LHS 3255 | X-ray source | M | 31 | |
| LHS 3343 | X-ray source | M | 46 | |
| LHS 336 | X-ray source | M | 32 | |
| LHS 3531 | X-ray source | M | 20 | |
| LHS 3558 | X-ray source | M | 26 | |
| LHS 3595 | X-ray source | M | 23 | |
| LHS 3602 | X-ray source | M | 70 | |
| LHS 397 | X-ray source | M | 20 | |
| LHS 449 | X-ray source | M | 15 | |
| LHS 450 | X-ray source | M | 15 | |
| LHS 5163 | X-ray source | G | 117 | |
| LHS 6050 | X-ray source | M | 73 | |
| LkHA 108 | X-ray source | | 4362 | |
| LKHA 115 | X-ray source | B | 4263 | |
| LkHA 351 | X-ray source | M | 1198 | |
| LkHA 355 | X-ray source | M | 1244 | |
| LM Orionis | X-ray source | K | 1271 | |
| LO Orionis | X-ray source | M | 1295 | |
| LO Pegasi | X-ray source | K | 81 | |
| Lowne 1 | X-ray source | G | 46 | |
| LP 167-71 | X-ray source | M | 74 | |
| LP 193-564 | X-ray source | M | 60 | |
| LP 25-2 | X-ray source | M | 59 | |
| LP 263-35 | X-ray source | M | 73 | |
| LP 263-64 | X-ray source | M | 64 | |
| LP 275-68 | X-ray source | M | 37 | |
| LP 29-188 | X-ray source | | 86 | |
| LP 291-34 | X-ray source | M | 55 | |
| LP 319-68 | X-ray source | | 66 | |
| LP 322-836 | X-ray source | M | 52 | |
| LP 338-4 | X-ray source | M | 78 | |
| LP 353-51 | X-ray source | M | 94 | |
| LP 356-14 | X-ray source | M | 63 | |
| LP 377-100 | X-ray source | M | 71 | |
| LP 390-16 | X-ray source | M | 42 | |
| LP 404-33 | X-ray source | M | 35 | |
| LP 404-66 | X-ray source | M | 73 | |
| LP 415-26 | X-ray source | M | 55 | |
| LP 438-8 | X-ray source | M | 41 | |
| LP 440-38 | X-ray source | M | 49 | |
| LP 462-19 | X-ray source | M | 42 | |
| LP 467-16 | X-ray source | M | 27 | |
| LP 469-73 | X-ray source | M | 56 | |
| LP 476-207 | X-ray source | M | 105 | |
| LP 499-59 | X-ray source | M | 59 | |
| LP 5-88 | X-ray source | M | 41 | |
| LP 525-39 | X-ray source | M | 38 | |
| LP 69-457 | X-ray source | M | 73 | |
| LP 71-165 | X-ray source | M | 24 | |
| LP 716-35 | X-ray source | M | 60 | |
| LP 855-10 | X-ray source | M | 41 | |
| LP 878-87 | X-ray source | M | 53 | |
| LP 911-13 | X-ray source | M | 54 | |
| LP 915-16 | X-ray source | K | 96 | |
| LP 935-18 | X-ray source | M | 62 | |
| LP 943-72 | X-ray source | M | 65 | |
| LP 98-132 | X-ray source | M | 46 | |
| LP 98-62 | X-ray source | M | 101 | |
| LP Draconis | X-ray source | K | 102 | |
| LP Monocerotis | X-ray source | M | 2200 | |
| LPM 746 | X-ray source | K | 78 | |
| LQ Hydrae | X-ray source | K | 60 | |
| LR Orionis | X-ray source | K | 1293 | |
| LTT 10787 | X-ray source | M | 70 | |
| LTT 11362 | X-ray source | G | 86 | |
| LTT 1147 | X-ray source | K | 74 | |
| LTT 11958 | X-ray source | G | 113 | |
| LTT 12657 | X-ray source | M | 99 | |
| LTT 12925 | X-ray source | K | 90 | |
| LTT 13232 | X-ray source | K | 97 | |
| LTT 1479 | X-ray source | K | 63 | |
| LTT 14850 | X-ray source | K | 85 | |
| LTT 15838 | X-ray source | K | 87 | |
| LTT 1652 | X-ray source | K | 73 | |
| LTT 17016 | X-ray source | M | 69 | |
| LTT 183 | X-ray source | M | 62 | |
| LTT 18626 | X-ray source | M | 72 | |
| LTT 2151 | X-ray source | K | 28 | |
| LTT 2240 | X-ray source | K | 79 | |
| LTT 2361 | X-ray source | K | 115 | |
| LTT 3799 | X-ray source | G | 107 | |
| LTT 4042 | X-ray source | M | 111 | |
| LTT 4851 | X-ray source | K | 119 | |
| LTT 5237 | X-ray source | G | 107 | |
| LTT 5873 | X-ray source | K | 104 | |
| LTT 700 | X-ray source | K | 71 | |
| LTT 7072 | X-ray source | M | 20 | |
| LTT 7499 | X-ray source | K | 79 | |
| LTT 7701 | X-ray source | G | 112 | |
| LTT 7903 | X-ray source | F | 69 | |
| LTT 8410 | X-ray source | F | 103 | |
| LTT 8419 | X-ray source | G | 97 | |
| LTT 9587 | X-ray source | M | 42 | |
| LTT 9795 | X-ray source | K | 72 | |
| LU Velorum | X-ray source | M | 51 | |
| LV Orionis | X-ray source | K | 1257 | |
| LW Orionis | X-ray source | M | 1316 | |
| LX Orionis | X-ray source | | 1316 | |
| LZ Ursae Majoris | X-ray source | G | 84 | |
| LZK 12 | X-ray source | F | 1309 | |
| M17 | X-ray source | | 4245 | [x] |
| Maia | X-ray source | B | 383 | [x] |
| MCC 401 | X-ray source | M | 114 | |
| MCC 445 | X-ray source | K | 113 | |
| MCC 460 | X-ray source | K | 118 | |
| MCC 549 | X-ray source | K | 110 | |
| MCC 735 | X-ray source | K | 111 | |
| MCC 858 | X-ray source | M | 80 | |
| Medusa | X-ray source | | 82 | |
| Mel 22 | X-ray source | | 507 | [x] |
| Menkib | X-ray source | O | 1245 | |
| Merga | X-ray source | F | 160 | |
| Merope | X-ray source | B | 381 | [x] |
| Mintaka | X-ray source | B | 693 | [x] |
| MLLA 151 | X-ray source | M | 1290 | |
| MLLA 90 | X-ray source | M | 1327 | |
| MM Orionis | X-ray source | K | 1311 | |
| MM Velorum | X-ray source | G | 13000 | |
| MP Monocerotis | X-ray source | | 2243 | |
| MS Draconis | X-ray source | K | 86 | |
| MT Pegasi | X-ray source | G | 81 | |
| Mu Lupi | X-ray source | K | 336 | |
| Muscida | X-ray source | G | 47 | |
| MV Virginis | X-ray source | K | 98 | |
| MWC 39 | X-ray source | B | 7627 | |
| MX Orionis | X-ray source | K | 1312 | |
| MY Orionis | X-ray source | M | 1313 | |
| MZ Orionis | X-ray source | M | 1278 | |
| n Puppis | X-ray source | F | 103 | |
| NGC 1360 | X-ray source | | 1135 | [x] |
| NGC 2264 51 | X-ray source | M | 2247 | |
| NGC 2264 81 | X-ray source | M | 2195 | |
| NGC 6231 | X-ray source | | 4023 | [x] |
| NGC 7538 | X-ray source | | 9003 | [x] |
| Nihal | X-ray source | G | 161 | |
| NLTT 11599 | X-ray source | K | 80 | |
| NLTT 13249 | X-ray source | M | 73 | |
| NLTT 16389 | X-ray source | M | 77 | |
| NLTT 19808 | X-ray source | K | 69 | |
| NLTT 34715 | X-ray source | M | 72 | |
| NLTT 3478 | X-ray source | | 103 | |
| NLTT 38960 | X-ray source | F | 118 | |
| NLTT 51966 | X-ray source | M | 68 | |
| NLTT 57506 | X-ray source | M | 80 | |
| NLTT 5871 | X-ray source | M | 105 | |
| NLTT 6992 | X-ray source | M | 68 | |
| NLTT 7941 | X-ray source | M | 63 | |
| NOR X-1 | X-ray source | | ... | |
| NSV 14713 | X-ray source | K | 92 | |
| NSV 3315 | X-ray source | K | 70 | |
| NSV 4864 | X-ray source | F | 70 | |
| NU Monocerotis | X-ray source | M | 2187 | |
| NW Orionis | X-ray source | K | 1272 | |
| NY Orionis | X-ray source | G | 1300 | |
| OJV2009 J181838.07-134744.85 | X-ray source | | 6997 | |
| OJV2009 J181838.11-134752.80 | X-ray source | | 6995 | |
| OJV2009 J181838.67-134806.46 | X-ray source | | 6997 | |
| OJV2009 J181839.20-134812.33 | X-ray source | | 6995 | |
| OJV2009 J181839.22-134758.86 | X-ray source | | 6995 | |
| OJV2009 J181840.18-134756.59 | X-ray source | | 6996 | |
| OJV2009 J181840.32-134755.04 | X-ray source | | 6998 | |
| OJV2009 J181841.64-134731.69 | X-ray source | | 6996 | |
| OJV2009 J181841.72-134721.70 | X-ray source | | 7000 | |
| OJV2009 J181841.82-134704.40 | X-ray source | | 7005 | |
| OJV2009 J181841.86-134723.07 | X-ray source | | 7004 | |
| OJV2009 J181842.50-134717.85 | X-ray source | | 7003 | |
| OJV2009 J181842.56-134809.17 | X-ray source | | 6999 | |
| OJV2009 J181842.70-134730.23 | X-ray source | | 6996 | |
| OJV2009 J181843.62-134753.20 | X-ray source | | 7002 | |
| OJV2009 J181843.69-134759.06 | X-ray source | | 6997 | |
| OJV2009 J181845.60-134828.04 | X-ray source | | 6999 | |
| Omega | X-ray source | | 5504 | [x] |
| Omega Andromedae | X-ray source | F | 93 | [x] |
| Omega Draconis | X-ray source | F | 75 | |
| Omicron Ursae Majoris | X-ray source | G | 179 | [x] |
| OO Orionis | X-ray source | K | 1290 | |
| OP Orionis | X-ray source | | 1335 | |
| OQ Orionis | X-ray source | K | 1326 | |
| Orion Nebula | X-ray source | | 1397 | [x] |
| OT Orionis | X-ray source | K | 1329 | |
| OT Serpentis | X-ray source | M | 37 | |
| OU Geminorum | X-ray source | K | 47 | |
| OU Orionis | X-ray source | | 1251 | |
| OU Serpentis | X-ray source | G | 176 | |
| OV Monocerotis | X-ray source | K | 2216 | |
| OW Orionis | X-ray source | M | 1295 | |
| OX Orionis | X-ray source | M | 1259 | |
| P Eridani | X-ray source | K | 27 | [x] |
| p Velorum | X-ray source | A | 88 | [x] |
| Parenago 1711 | X-ray source | | 1283 | |
| Parenago 1726 | X-ray source | K | 1268 | |
| Parenago 1928 | X-ray source | K | 1284 | |
| Parenago 2149 | X-ray source | B | 1328 | |
| Parenago 2182 | X-ray source | | 1313 | |
| PCYC 519 | X-ray source | | 8438 | |
| Phi Aquilae | X-ray source | A | 220 | [x] |
| Phi Virginis | X-ray source | G | 135 | |
| Pi Chamaelontis | X-ray source | A | 135 | |
| Pi Lupi | X-ray source | B | 443 | [x] |
| Pi Tucanae | X-ray source | B | 318 | |
| Pleiades | X-ray source | | 363 | [x] |
| Pleione | X-ray source | B | 382 | [x] |
| PLX 4288 | X-ray source | K | 119 | |
| PMD2009 13 | X-ray source | M | 1297 | |
| PMD2009 48 | X-ray source | | 1300 | |
| Pollux | X-ray source | K | 34 | [x] |
| porrima | X-ray source | F | 38 | |
| PPM 41187 | X-ray source | K | 78 | |
| Procyon | X-ray source | F | 11 | [x] |
| Propus | X-ray source | M | 120 | [x] |
| Proxima | X-ray source | M | 132 | [x] |
| Psi Capricorni | X-ray source | F | 48 | [x] |
| Psi Fornacis | X-ray source | F | 191 | |
| Psi Velorum | X-ray source | F | 62 | [x] |
| PSR J1709-4429 | X-ray source | | 7824 | |
| PW Hydrae | X-ray source | K | 76 | |
| QX Monocerotis | X-ray source | K | 2189 | |
| QY Aurigae | X-ray source | M | 20 | |
| QZ Carinae | X-ray source | O | 1953 | [x] |
| QZ Vulpeculae | X-ray source | K | 8800 | |
| R Canis Majoris | X-ray source | F | 139 | [x] |
| R CrA | X-ray source | | 409 | |
| R Eridani | X-ray source | G | 278 | |
| Rasalgethi | X-ray source | M | 360 | [x] |
| Rasalhague | X-ray source | A | 47 | [x] |
| RBS 1843 | X-ray source | M | 33 | |
| RBS 1869 | X-ray source | M | 55 | |
| RBS 742 | X-ray source | K | 52 | |
| Regor | X-ray source | | 1047 | [x] |
| Regulus | X-ray source | B | 79 | [x] |
| Rho Arietis | X-ray source | F | 115 | [x] |
| Rho Capricorni | X-ray source | F | 98 | [x] |
| Rho Geminorum | X-ray source | F | 59 | |
| Rho Puppis | X-ray source | F | 64 | [x] |
| Rho Telescopii | X-ray source | F | 185 | |
| Rigel | X-ray source | B | 863 | [x] |
| Ring | X-ray source | | 165 | [x] |
| RIXOS 266-1 | X-ray source | M | 70 | |
| Ross 1007 | X-ray source | M | 56 | |
| Ross 1008 | X-ray source | M | 53 | |
| Ross 128 | X-ray source | M | 11 | [x] |
| Ross 154 | X-ray source | M | 9 | [x] |
| Ross 193 | X-ray source | M | 58 | |
| Ross 210 | X-ray source | K | 76 | |
| Ross 248 | X-ray source | M | 10 | [x] |
| Ross 311 | X-ray source | K | 118 | |
| Ross 318 | X-ray source | M | 27 | |
| Ross 42 | X-ray source | M | 42 | |
| Ross 446 | X-ray source | M | 23 | |
| Ross 47 | X-ray source | M | 19 | |
| Ross 478 | X-ray source | K | 65 | |
| Ross 490 | X-ray source | M | 26 | |
| Ross 5 | X-ray source | M | 49 | |
| Ross 52 | X-ray source | M | 33 | |
| Ross 556 | X-ray source | M | 25 | |
| Ross 614 | X-ray source | M | 13 | [x] |
| Ross 671 | X-ray source | M | 23 | |
| Ross 676 | X-ray source | M | 93 | |
| Ross 733 | X-ray source | M | 62 | |
| Ross 776 | X-ray source | M | 50 | |
| Ross 812 | X-ray source | M | 63 | |
| Ross 868 | X-ray source | M | 38 | |
| Ross 905 | X-ray source | M | 33 | [x] |
| Ross 970 | X-ray source | K | 132 | |
| Ross 975 | X-ray source | K | 146 | |
| Ross 986 | X-ray source | M | 20 | |
| Rotanev | X-ray source | F | 100 | [x] |
| RR Caeli | X-ray source | D | 27 | [x] |
| RST 1154 | X-ray source | K | 100 | |
| Rukbat | X-ray source | B | 181 | [x] |
| RW Doradus | X-ray source | G | 308 | |
| RY Sextantis | X-ray source | M | 45 | |
| RZ Cassiopeiae | X-ray source | A | 212 | |
| RZ Comae Berenices | X-ray source | G | 614 | |
| Sagittarius A* | X-ray source | | 25900 | [x] |
| Saiph | X-ray source | B | 647 | [x] |
| Sigma Bootis | X-ray source | F | 51 | [x] |
| Sigma Centauri | X-ray source | B | 412 | [x] |
| Sigma Draconis | X-ray source | G | 19 | [x] |
| Sigma Geminorum | X-ray source | K | 125 | [x] |
| Sigma Hydri | X-ray source | F | 132 | |
| Sigma Orionis | X-ray source | O | 1148 | [x] |
| Spica | X-ray source | B | 250 | [x] |
| SPOCS 208 | X-ray source | G | 114 | |
| SPOCS 280 | X-ray source | G | 113 | |
| SPOCS 507 | X-ray source | F | 119 | |
| SPOCS 615 | X-ray source | F | 112 | |
| SPOCS 66 | X-ray source | G | 112 | |
| SPOCS 678 | X-ray source | G | 112 | |
| StKM 1-1676 | X-ray source | M | 82 | |
| StKM 1-1767 | X-ray source | K | 118 | |
| StKM 1-578 | X-ray source | M | 78 | |
| Subra | X-ray source | F | 130 | [x] |
| Syrma | X-ray source | F | 73 | [x] |
| SZ Ursae Majoris | X-ray source | M | 29 | |
| T Tauri | X-ray source | K | 595 | [x] |
| Tabit | X-ray source | F | 26 | [x] |
| Talitha | X-ray source | A | 47 | |
| Tau Bootis | X-ray source | F | 51 | [x] |
| Tau Ceti | X-ray source | G | 12 | [x] |
| Tau Cygni | X-ray source | F | 66 | [x] |
| Tau Ophiuchii | X-ray source | F | 56 | |
| Tau Sculptoris | X-ray source | F | 226 | |
| Taygeta | X-ray source | B | 409 | [x] |
| Theta Carinae | X-ray source | B | 456 | [x] |
| Theta Cygni | X-ray source | F | 60 | |
| Theta Draconis | X-ray source | F | 69 | |
| Theta Gruis | X-ray source | | 132 | |
| Theta Indi | X-ray source | A | 98 | |
| Tureis | X-ray source | F | 766 | |
| TV Orionis | X-ray source | K | 1277 | |
| TW Ceti | X-ray source | G | 272 | |
| TYC 705-126-1 | X-ray source | F | 1425 | |
| TYC 705-795-1 | X-ray source | B | 1501 | |
| TYC 82-953-1 | X-ray source | K | 99 | |
| TZ Arietis | X-ray source | M | 15 | [x] |
| UBV 8670 | X-ray source | F | 79 | |
| UCAC2 23395816 | X-ray source | M | 473 | |
| Unukalhai | X-ray source | K | 74 | [x] |
| Upsilon Andromedae | X-ray source | F | 44 | [x] |
| Upsilon Aquarii | X-ray source | F | 74 | [x] |
| Upsilon Lupi | X-ray source | A | 407 | |
| UX Arietis | X-ray source | K | 168 | [x] |
| ux eridani | X-ray source | F | 663 | |
| UZ Sextantis | X-ray source | D | 59 | |
| V0502 Ophiuchii | X-ray source | G | 280 | |
| V0566 Ophiuchii | X-ray source | F | 246 | |
| V0759 Centauri | X-ray source | G | 188 | |
| V0972 Herculis | X-ray source | F | 206 | |
| V1017 Orionis | X-ray source | M | 1306 | |
| V1018 Orionis | X-ray source | M | 1301 | |
| V1033 Scorpii | X-ray source | F | 8000 | |
| V1034 Scorpii | X-ray source | O | 4157 | |
| V1044 Orionis | X-ray source | G | 1281 | |
| V1084 Tauri | X-ray source | G | 70 | |
| V1118 Orionis | X-ray source | M | 1253 | |
| V1198 Orionis | X-ray source | G | 112 | |
| V1228 Orionis | X-ray source | K | 1257 | |
| V1231 Orionis | X-ray source | M | 1293 | |
| V1285 Aquilae | X-ray source | M | 38 | |
| V1292 Scorpii | X-ray source | O | 4102 | |
| V1319 Orionis | X-ray source | M | 1292 | |
| V1323 Orionis | X-ray source | M | 1302 | |
| V1328 Orionis | X-ray source | K | 1259 | |
| V1332 Orionis | X-ray source | M | 1299 | |
| V1338 Orionis | X-ray source | K | 1315 | |
| V1345 Orionis | X-ray source | M | 1283 | |
| V1347 Orionis | X-ray source | M | 1250 | |
| V1348 Orionis | X-ray source | K | 1266 | |
| V1357 Cygni | X-ray source | O | 7500 | [x] |
| V1396 Cygni | X-ray source | M | 50 | |
| V1397 Orionis | X-ray source | K | 1305 | |
| V1402 Orionis | X-ray source | M | 70 | |
| V1435 Orionis | X-ray source | M | 1256 | |
| V1436 Orionis | X-ray source | | 1267 | |
| V1460 Orionis | X-ray source | M | 1262 | |
| V1461 Orionis | X-ray source | M | 1307 | |
| V1462 Orionis | X-ray source | M | 1307 | |
| V1474 Orionis | X-ray source | M | 1278 | |
| V1481 Orionis | X-ray source | M | 1290 | |
| V1482 Orionis | X-ray source | M | 1258 | |
| V1484 Orionis | X-ray source | M | 1259 | |
| V1487 Aquilae | X-ray source | K | 8100 | |
| V1492 Orionis | X-ray source | M | 1343 | |
| V1500 Orionis | X-ray source | | 1311 | |
| V1510 Orionis | X-ray source | K | 1314 | |
| V1513 Orionis | X-ray source | K | 1297 | |
| V1515 Orionis | X-ray source | M | 1274 | |
| V1522 Orionis | X-ray source | K | 1346 | |
| V1533 Orionis | X-ray source | M | 1335 | |
| V1543 Orionis | X-ray source | M | 1341 | |
| V1571 Orionis | X-ray source | M | 1281 | |
| V1572 Orionis | X-ray source | | 1282 | |
| V1578 Orionis | X-ray source | | 1307 | |
| V1581 Cygni | X-ray source | M | 15 | |
| V1588 Orionis | X-ray source | K | 1316 | |
| V1591 Orionis | X-ray source | | 1256 | |
| V1721 Orionis | X-ray source | M | 1281 | |
| V1724 Orionis | X-ray source | M | 1330 | |
| V1744 Orionis | X-ray source | M | 1280 | |
| V1761 Sagittarii | X-ray source | K | 4402 | |
| V1792 Sagittarii | X-ray source | | 4431 | |
| V1997 Orionis | X-ray source | M | 1309 | |
| V2004 Orionis | X-ray source | | 1255 | |
| V2012 Orionis | X-ray source | M | 1256 | |
| V2033 Orionis | X-ray source | M | 1315 | |
| V2057 Orionis | X-ray source | K | 1255 | |
| V2064 Orionis | X-ray source | M | 1342 | |
| V2079 Orionis | X-ray source | | 1318 | |
| V2094 Orionis | X-ray source | K | 1253 | |
| V2096 Orionis | X-ray source | | 1273 | |
| V2099 Orionis | X-ray source | M | 1294 | |
| V2106 Orionis | X-ray source | M | 1305 | |
| V2107 Ophiuchii | X-ray source | K | 27000 | |
| V2107 Orionis | X-ray source | M | 1258 | |
| V2123 Orionis | X-ray source | M | 1336 | |
| V2129 Orionis | X-ray source | M | 1342 | |
| V2142 Orionis | X-ray source | M | 1250 | |
| V2143 Orionis | X-ray source | M | 1299 | |
| V2149 Orionis | X-ray source | G | 1261 | |
| V2150 Orionis | X-ray source | M | 1260 | |
| V2151 Orionis | X-ray source | K | 1251 | |
| V2157 Orionis | X-ray source | M | 1274 | |
| V2164 Orionis | X-ray source | M | 1280 | |
| V2181 Orionis | X-ray source | M | 1288 | |
| V2182 Orionis | X-ray source | K | 1277 | |
| V2191 Orionis | X-ray source | M | 1252 | |
| V2202 Orionis | X-ray source | K | 1288 | |
| V2213 Ophiuchii | X-ray source | F | 68 | |
| V2224 Orionis | X-ray source | M | 1309 | |
| V2228 Orionis | X-ray source | M | 1252 | |
| V2252 Orionis | X-ray source | G | 1255 | |
| V2271 Orionis | X-ray source | M | 1305 | |
| V2277 Orionis | X-ray source | M | 1250 | |
| V2288 Orionis | X-ray source | M | 1257 | |
| V2289 Orionis | X-ray source | M | 1304 | |
| V2320 Orionis | X-ray source | M | 1308 | |
| V2338 Orionis | X-ray source | A | 1300 | |
| V2347 Orionis | X-ray source | M | 1321 | |
| V2360 Orionis | X-ray source | M | 1258 | |
| V2366 Orionis | X-ray source | | 1278 | |
| V2379 Orionis | X-ray source | M | 1258 | |
| V2380 Orionis | X-ray source | M | 1327 | |
| V2386 Orionis | X-ray source | M | 1293 | |
| V2389 Orionis | X-ray source | | 1251 | |
| V2410 Orionis | X-ray source | M | 1331 | |
| V2436 Cygni | X-ray source | K | 63 | |
| V2436 Orionis | X-ray source | M | 1277 | |
| V2445 Orionis | X-ray source | K | 1282 | |
| V2447 Orionis | X-ray source | | 1291 | |
| V2485 Orionis | X-ray source | M | 1304 | |
| V2499 Orionis | X-ray source | K | 1262 | |
| V2516 Orionis | X-ray source | M | 1301 | |
| V2544 Orionis | X-ray source | M | 1254 | |
| V2548 Orionis | X-ray source | M | 1294 | |
| V2551 Orionis | X-ray source | M | 1314 | |
| V2554 Orionis | X-ray source | M | 1268 | |
| V2573 Orionis | X-ray source | K | 1281 | |
| V2586 Orionis | X-ray source | M | 1255 | |
| V2590 Orionis | X-ray source | M | 1279 | |
| V2689 Orionis | X-ray source | K | 37 | |
| V344 Andromedae | X-ray source | K | 111 | |
| V347 Monocerotis | X-ray source | M | 2196 | |
| V352 Canis Majoris | X-ray source | G | 55 | |
| V356 Orionis | X-ray source | K | 1318 | |
| V357 Monocerotis | X-ray source | K | 2202 | |
| V357 Orionis | X-ray source | M | 1274 | |
| V360 Orionis | X-ray source | M | 1275 | |
| V371 Normae | X-ray source | K | 88 | |
| V372 Puppis | X-ray source | M | 51 | |
| V374 Pegasi | X-ray source | M | 29 | |
| V375 Orionis | X-ray source | M | 1295 | |
| V377 Orionis | X-ray source | K | 1271 | |
| V379 Orionis | X-ray source | K | 1257 | |
| V379 Serpentis | X-ray source | K | 52 | |
| V381 Normae | X-ray source | K | 17000 | |
| V388 Cassiopeiae | X-ray source | M | 29 | |
| V390 Orionis | X-ray source | K | 1261 | |
| V390 Pavonis | X-ray source | K | 100 | |
| V401 Hydrae | X-ray source | G | 82 | |
| V401 Orionis | X-ray source | K | 1337 | |
| V405 Hydrae | X-ray source | K | 92 | |
| V405 Orionis | X-ray source | M | 1299 | |
| V406 Vulpeculae | X-ray source | G | 30000 | |
| V408 Monocerotis | X-ray source | M | 2175 | |
| V409 Orionis | X-ray source | K | 1267 | |
| V414 Orionis | X-ray source | | 1278 | |
| V417 Monocerotis | X-ray source | K | 2178 | |
| V419 Hydrae | X-ray source | K | 70 | |
| V4203 Sagittarii | X-ray source | B | 4370 | |
| V426 Orionis | X-ray source | K | 1299 | |
| V428 Monocerotis | X-ray source | K | 2243 | |
| V439 Andromedae | X-ray source | K | 45 | [x] |
| V4641 Sagittarii | X-ray source | B | 30000 | |
| V474 Orionis | X-ray source | K | 1344 | |
| V478 Orionis | X-ray source | M | 1288 | |
| V484 Tauri | X-ray source | M | 51 | |
| V488 Orionis | X-ray source | G | 1282 | |
| V491 Persei | X-ray source | G | 67 | |
| V493 Orionis | X-ray source | K | 1309 | |
| V494 Orionis | X-ray source | M | 1315 | |
| V495 Orionis | X-ray source | M | 1306 | |
| V496 Orionis | X-ray source | M | 1318 | |
| V538 Aurigae | X-ray source | K | 40 | [x] |
| V546 Persei | X-ray source | M | 34 | |
| V551 Orionis | X-ray source | M | 1283 | |
| V553 Orionis | X-ray source | | 1295 | |
| V575 Orionis | X-ray source | | 1322 | |
| V580 Orionis | X-ray source | | 1312 | |
| V590 Lyrae | X-ray source | K | 120 | |
| V615 Orionis | X-ray source | G | 1295 | |
| V622 Persei | X-ray source | B | 7643 | |
| V630 Monocerotis | X-ray source | K | 2166 | |
| V640 Cassiopeia | X-ray source | G | 70 | |
| V711 Tauri | X-ray source | K | 100 | |
| V748 Orionis | X-ray source | M | 1286 | |
| V768 Orionis | X-ray source | | 1294 | |
| V773 Cassiopeiae | X-ray source | A | 277 | |
| V774 Tauri | X-ray source | G | 70 | |
| V775 Herculi | X-ray source | K | 70 | |
| V788 Orionis | X-ray source | M | 1259 | |
| V805 Monocerotis | X-ray source | K | 2226 | |
| V808 Orionis | X-ray source | K | 1258 | |
| V811 Monocerotis | X-ray source | K | 2196 | |
| V815 Herculi | X-ray source | G | 112 | |
| V815 Orionis | X-ray source | G | 1333 | |
| V816 Herculis | X-ray source | M | 34 | |
| V821 Arae | X-ray source | | 27000 | |
| V835 Herculi | X-ray source | G | 103 | |
| V842 Herculis | X-ray source | G | 536 | |
| V857 Centauri | X-ray source | M | 33 | |
| V914 Scorpii | X-ray source | M | 51 | |
| V933 Orionis | X-ray source | M | 1286 | |
| V945 Scorpii | X-ray source | B | 4008 | |
| V946 Scorpii | X-ray source | B | 4170 | |
| Vega | X-ray source | A | 25 | [x] |
| Vela Pulsar | X-ray source | | 913 | [x] |
| Vindemiatrix | X-ray source | G | 110 | [x] |
| VV Lyncis | X-ray source | M | 39 | |
| VVO 19 | X-ray source | K | 77 | |
| VW Cephi | X-ray source | G | 90 | |
| W Ursae Majoris | X-ray source | F | 162 | [x] |
| Wachmann's Flare Star | X-ray source | M | 52 | |
| Wasat | X-ray source | A | 61 | |
| Witch Head Nebula | X-ray source | | 888 | [x] |
| WMW2010 146 | X-ray source | | 1132 | |
| WMW2010 18 | X-ray source | | 1013 | |
| WMW2010 59 | X-ray source | | 1425 | |
| Wolf 1080 | X-ray source | K | 79 | |
| Wolf 1182 | X-ray source | G | 75 | |
| Wolf 12 | X-ray source | K | 57 | |
| Wolf 1225 | X-ray source | M | 50 | |
| Wolf 1241 | X-ray source | G | 121 | |
| Wolf 1243 | X-ray source | K | 130 | |
| Wolf 1278 | X-ray source | M | 48 | |
| Wolf 1294 | X-ray source | F | 131 | |
| Wolf 1297 | X-ray source | K | 115 | |
| Wolf 1329 | X-ray source | M | 29 | |
| Wolf 1453 | X-ray source | M | 19 | |
| Wolf 1494 | X-ray source | M | 54 | |
| Wolf 186 | X-ray source | K | 113 | |
| Wolf 208 | X-ray source | G | 127 | |
| Wolf 359 | X-ray source | M | 7 | [x] |
| Wolf 412 | X-ray source | K | 88 | |
| Wolf 424 | X-ray source | M | 14 | [x] |
| Wolf 483 | X-ray source | G | 71 | |
| Wolf 490 | X-ray source | K | 77 | |
| Wolf 501 | X-ray source | F | 112 | |
| Wolf 573 | X-ray source | G | 48 | |
| Wolf 630 | X-ray source | M | 19 | |
| Wolf 864 | X-ray source | K | 64 | [x] |
| Wolf 866 | X-ray source | G | 58 | |
| Wolf 922 | X-ray source | M | 27 | |
| Wolf 953 | X-ray source | M | 67 | |
| WR 136 | X-ray source | W | 4000 | [x] |
| WW Orionis | X-ray source | | 1336 | |
| WX Ursae Majoris | X-ray source | M | 16 | [x] |
| WZ Orionis | X-ray source | K | 1275 | |
| X Persei | X-ray source | O | 1394 | |
| Xi Hydrae | X-ray source | G | 130 | [x] |
| Xi Ophiuchi | X-ray source | F | 57 | |
| Xi Scorpii | X-ray source | F | 79 | |
| Xi Ursae Majoris | X-ray source | F | 29 | [x] |
| XTE J1748-288 | X-ray source | | 26000 | |
| XTE J1752-223 | X-ray source | | 17000 | |
| XTE J1755-324 | X-ray source | | 15000 | |
| XTE J1817-330 | X-ray source | | 10000 | |
| XTE J1818-245 | X-ray source | | 20000 | |
| XTE J1856+053 | X-ray source | | 21000 | |
| XTE J2012+381 | X-ray source | | 12000 | |
| XY Leonis | X-ray source | K | 206 | |
| XY Orionis | X-ray source | | 1285 | |
| YY Eridani | X-ray source | G | 198 | |
| YY Orionis | X-ray source | K | 1271 | |
| YZ Canis Minoris | X-ray source | M | 19 | |
| YZ Ceti | X-ray source | M | 12 | [x] |
| YZ Orionis | X-ray source | G | 1287 | |
| Zeta Andromedae | X-ray source | K | 189 | [x] |
| Zeta Aquarii | X-ray source | F | 92 | [x] |
| Zeta Doradus | X-ray source | F | 38 | [x] |
| Zeta Herculis | X-ray source | G | 34 | [x] |
| Zeta Horologii | X-ray source | F | 160 | |
| Zeta Puppis | X-ray source | O | 1083 | [x] |
| ZZ Orionis | X-ray source | | 1305 | |