X-ray binary
X-ray binaries are a class of binary stars that are luminous in X-rays. The X-rays are produced by matter falling from one component, called the donor (usually a relatively normal star), to the other component, called the accretor, which is very compact: a neutron star or black hole. The infalling matter releases gravitational potential energy, up to several tenths of its rest mass, as X-rays. The lifetime and the mass-transfer rate in an X-ray binary depends on the evolutionary status of the donor star, the mass ratio between the stellar components, and their orbital separation. (Hydrogen fusion releases only about 0.7 percent of rest mass.) An estimated 1041 positrons escape per second from a typical low-mass X-ray binary.
Uses material from the Wikipedia article "X-ray binary", which is released under the Creative Commons BY-SA 3.0.| Astronomical object | Distance | Wiki | ||
|---|---|---|---|---|
| CXOU J061705.3+222127 | X-ray binary | 5000 | [x] | |
| GHJ2008 3 | Low Mass X-ray Binary | K | 26000 | |
| Gliese 3095 | X-ray binary | G | 148 | |
| Great Annihilator | Low Mass X-ray Binary, High Mass X-ray Binary | 23000 | [x] | |
| GRS 1730-312 | Low Mass X-ray Binary | 21000 | ||
| GRS 1758-258 | Low Mass X-ray Binary, High Mass X-ray Binary | 16000 | ||
| GU Muscae | Low Mass X-ray Binary | K | 16500 | [x] |
| KV Ursae Majoris | Low Mass X-ray Binary | K | 6000 | [x] |
| MM Velorum | Low Mass X-ray Binary | G | 13000 | |
| NOR X-1 | Low Mass X-ray Binary | ... | ||
| QZ Vulpeculae | Low Mass X-ray Binary | K | 8800 | [x] |
| V1033 Scorpii | Low Mass X-ray Binary, High Mass X-ray Binary | F | 8000 | [x] |
| V1357 Cygni | High Mass X-ray Binary | O | 7500 | [x] |
| V1487 Aquilae | Low Mass X-ray Binary | K | 8100 | [x] |
| V2107 Ophiuchii | Low Mass X-ray Binary | K | 27000 | |
| V381 Normae | Low Mass X-ray Binary | K | 17000 | [x] |
| V406 Vulpeculae | Low Mass X-ray Binary | G | 30000 | |
| V4641 Sagittarii | Low Mass X-ray Binary | B | 30000 | [x] |
| V821 Arae | Low Mass X-ray Binary, High Mass X-ray Binary | 27000 | [x] | |
| X Persei | High Mass X-ray Binary | O | 1394 | [x] |
| XTE J1748-288 | Low Mass X-ray Binary | 26000 | ||
| XTE J1752-223 | X-ray binary, Low Mass X-ray Binary | 17000 | ||
| XTE J1755-324 | Low Mass X-ray Binary | 15000 | ||
| XTE J1817-330 | X-ray binary, Low Mass X-ray Binary | 10000 | ||
| XTE J1818-245 | Low Mass X-ray Binary | 20000 | ||
| XTE J1856+053 | Low Mass X-ray Binary, High Mass X-ray Binary | 21000 | ||
| XTE J2012+381 | Low Mass X-ray Binary | 12000 |