O
スペクトル分類
O
Effective temperature
≥ 25,000 K
≥ 25,000 K
太陽半径
≥ 6.6 R☉
≥ 6.6 R☉
太陽質量
≥ 16 M☉
≥ 16 M☉
O型主系列星（Oがたしゅけいれっせい）は、スペクトル型がO、光度階級がVの水素を燃やして燃える主系列星である。太陽の15倍から90倍の質量を持ち、表面温度は30,000Kから52,000Kの間である。太陽の3万倍から100万倍もの光度を持つ。これらの星の存在は稀で、数千億個の恒星からなる銀河系全体でも2万個以下しか存在しないと推定されている。例えばオリオン座σ星やとかげ座10番星、VFTS 352などがこの型に分類される。
Uses material from the Wikipedia article "O型主系列星", which is released under the Creative Commons BY-SA 3.0.| 天体 | 距離 | ウィキ | ||
|---|---|---|---|---|
| Alnitak | 恒星, Double or multiple star, Emission-line Star, Infra-Red source, UV-emission source, Variable Star, X-ray source | O | 736 | [x] |
| BD+50 2869 | 恒星, Emission-line Star, 銀河, Infra-Red source, 惑星状星雲, UV-emission source, Variable Star | O | 2000 | [x] |
| BD-12 1172 | 恒星, centimetric Radio-source, Emission-line Star, Infra-Red source, 新星, 惑星状星雲, Radio-source, sub-millimetric source, UV-emission source, Variable Star | O | 1100 | [x] |
| Eta Carinae | 恒星, Double or multiple star, Star in double system, Star in Cluster, Emission-line Star, ガンマ線, Infra-Red source, 新星, Radio-source, 青色超巨星, sub-millimetric source, UV-emission source, Variable Star, X-ray source | O | 7700 | [x] |
| GCRV 4981 | 恒星, Emission-line Star, Infra-Red source, 惑星状星雲, Radio-source, Variable Star | O | 800 | [x] |
| HD 218915 | 恒星, Infra-Red source, 青色超巨星, 連星, UV-emission source | O | 2490 | [x] |
| Menkib | 恒星, Double or multiple star, Star in Cluster, Emission-line Star, Infra-Red source, UV-emission source, Variable Star, X-ray source | O | 1245 | [x] |
| Sigma Orionis | 恒星, Double or multiple star, Star in Cluster, Infra-Red source, 連星, UV-emission source, Variable Star, X-ray source | O | 1148 | [x] |
| V1357 Cygni | 恒星, Star in Association, ハービッグAe/Be型星, ブラックホール, Ellipsoidal variable Star, ガンマ線, High Mass X-ray Binary, Infra-Red source, 青色超巨星, 連星, Variable Star, X-ray source | O | 7500 | [x] |
| Zeta Puppis | 恒星, Variable of BY Dra type, Emission-line Star, Infra-Red source, Pulsating variable Star, Radio-source, UV-emission source, Variable Star, X-ray source | O | 1083 | [x] |
| 10 Lacertae | 恒星, Double or multiple star, Infra-Red source, UV-emission source, Variable Star, X-ray source | O | 1726 | |
| 2MASS J02321086+6133080 | 恒星, Star in Association, Star in Cluster, Infra-Red source, 若い星状天体 | O | 5982 | |
| 2MASS J02340253+6123108 | 恒星, Star in Association, Star in Cluster, Infra-Red source, 若い星状天体 | O | 5969 | |
| Alniyat | 恒星, Double or multiple star, Star in Nebula, Variable Star of beta Cep type, HII領域, Infra-Red source, 星間物質, Radio-source, 反射星雲, 連星, UV-emission source, Variable Star | O | 474 | |
| BD+33 1025 | 恒星, Star in Association, Star in Cluster, Infra-Red source, Variable Star, X-ray source | O | 824 | |
| BD+56 556 | 恒星, Double or multiple star, Star in Cluster, Infra-Red source | O | 7672 | |
| CD-24 13785 | 恒星, Double or multiple star, Star in Cluster, Infra-Red source | O | 4395 | |
| CD-41 11037 | 恒星, Star in Cluster, Infra-Red source, 連星, Variable Star, X-ray source | O | 4049 | |
| CD-58 3526 | 恒星, Star in Cluster, Infra-Red source, X-ray source | O | 8903 | |
| Cl Pismis 24 1 | 恒星, Double or multiple star, Star in double system, Star in Cluster, Infra-Red source, X-ray source | O | 8150 | |
| CPD-58 2625 | 恒星, Star in Cluster, Infra-Red source, 散開星団, X-ray source | O | 8900 | |
| CPD-59 2591 | 恒星, Double or multiple star, Star in Cluster, Infra-Red source, 散開星団, X-ray source | O | 8227 | |
| CPD-59 2626 | 恒星, Star in Cluster, Infra-Red source, 散開星団, X-ray source | O | 8248 | |
| CPD-62 2198 | 恒星, Star in Cluster, Infra-Red source | O | 5895 | |
| HD 101333 | 恒星, Star in Cluster, Infra-Red source, UV-emission source | O | 5850 | |
| HD 12993 | 恒星, UV-emission source, Variable Star | O | 2435 | |
| HD 148937 | 恒星, Double or multiple star, Emission-line Star, Emission Object, 銀河, HII領域, Infra-Red source, 星間物質, 惑星状星雲, 連星, UV-emission source, Variable Star, X-ray source | O | 1388 | |
| HD 152200 | 恒星, Star in Cluster, Infra-Red source, Variable Star, X-ray source | O | 4032 | |
| HD 152233 | 恒星, Double or multiple star, Star in Cluster, Infra-Red source, 連星, Variable Star, X-ray source | O | 4009 | |
| HD 152314 | 恒星, Double or multiple star, Star in Cluster, Infra-Red source, Variable Star, X-ray source | O | 4191 | |
| HD 15570 | 恒星, Star in Association, Star in Cluster, Emission-line Star, Infra-Red source, Variable Star | O | 2104 | |
| HD 155889 | 恒星, Double or multiple star, Infra-Red source, UV-emission source | O | 2718 | |
| HD 167971 | 恒星, Double or multiple star, Star in Cluster, Eclipsing binary of beta Lyr type (semi-detached), Emission-line Star, Infra-Red source, 青色超巨星, UV-emission source, Variable Star, X-ray source | O | 2160 | |
| HD 168137 | 恒星, Star in Cluster, Infra-Red source, 連星, X-ray source | O | 1394 | |
| HD 171198 | 恒星, Infra-Red source, UV-emission source | O | 1365 | |
| HD 17520 | 恒星, Double or multiple star, Star in Cluster, Emission-line Star, Infra-Red source, Variable Star | O | 7766 | |
| HD 193443 | 恒星, Double or multiple star, Infra-Red source, UV-emission source, X-ray source | O | 3546 | |
| HD 206183 | 恒星, Double or multiple star, Star in Cluster, Infra-Red source, 散開星団, UV-emission source | O | 2039 | |
| HD 215835 | 恒星, Double or multiple star, Star in Association, Star in Cluster, Ellipsoidal variable Star, Infra-Red source, 連星, UV-emission source, Variable Star, X-ray source | O | 5018 | |
| HD 216898 | 恒星, Star in Association, Association of Stars, Infra-Red source, UV-emission source | O | 1930 | |
| HD 217086 | 恒星, Double or multiple star, Star in Association, Association of Stars, Infra-Red source, X-ray source, 若い星状天体, 若い星状天体 | O | 1424 | |
| HD 308813 | 恒星, Star in Cluster, Infra-Red source | O | 5826 | |
| HD 308816 | 恒星, Star in Cluster, Infra-Red source | O | 5827 | |
| HD 308818 | 恒星, Star in Cluster, Infra-Red source | O | 5965 | |
| HD 312074 | 恒星, Star in Cluster, Infra-Red source | O | 6478 | |
| HD 315023 | 恒星, Star in Cluster, Infra-Red source | O | 4311 | |
| HD 75222 | 恒星, Infra-Red source, 青色超巨星, UV-emission source | O | 2364 | |
| HD 8768 | 恒星, Double or multiple star, Star in Cluster | O | 8583 | |
| HD 91983 | 恒星, Star in Cluster, Infra-Red source | O | 7546 | |
| HD 99897 | 恒星, HII領域, Infra-Red source | O | 1802 | |
| HERSCHEL 36 | 恒星, Double or multiple star, Star in Cluster, Infra-Red source, 連星, Variable Star, 若い星状天体 | O | 4500 | |
| HIP 101341 | 恒星, Double or multiple star, Star in Association, Star in Cluster, Eclipsing binary of beta Lyr type (semi-detached), Emission-line Star, Infra-Red source, 青色超巨星, 連星, Variable Star, X-ray source | O | 2146 | |
| HIP 102167 | 恒星, Infra-Red source | O | 2363 | |
| HIP 11792 | 恒星, Star in Association, Star in Cluster, Infra-Red source, 若い星状天体 | O | 1236 | |
| HIP 17113 | 恒星, Double or multiple star, Infra-Red source | O | 635 | |
| HIP 172 | 恒星, Star in Cluster, Infra-Red source | O | 2861 | |
| HIP 18175 | 恒星, Infra-Red source | O | 968 | |
| HIP 23527 | 恒星, Infra-Red source | O | 813 | |
| HIP 26889 | 恒星, Infra-Red source, 連星 | O | 965 | |
| HIP 28711 | 恒星, Infra-Red source | O | 355 | |
| HIP 29216 | 恒星, Infra-Red source, UV-emission source, X-ray source | O | 994 | |
| HIP 40430 | 恒星, Infra-Red source, Nova-like Star, 新星, High proper-motion Star, 連星, UV-emission source, Variable Star, X-ray source | O | 315 | |
| HIP 82691 | 恒星, Double or multiple star, Star in Cluster, Eclipsing binary of beta Lyr type (semi-detached), Emission-line Star, Infra-Red source, 青色超巨星, 連星, Variable Star, X-ray source | O | 4056 | |
| HIP 89743 | 恒星, Star in Cluster, Infra-Red source, X-ray source | O | 1371 | |
| HR 6272 | 恒星, Double or multiple star, Star in Cluster, Emission-line Star, Infra-Red source, 青色超巨星, UV-emission source, Variable Star, ウォルフ・ライエ星 | O | 2265 | |
| HR 7767 | 恒星, Double or multiple star, Infra-Red source, UV-emission source, X-ray source | O | 1941 | |
| HR 8281 | 恒星, Double or multiple star, Star in Cluster, Emission-line Star, Infra-Red source, 散開星団, 連星, UV-emission source, X-ray source | O | 1977 | |
| IRAS 21565-3937 | 銀河, Infra-Red source, 惑星状星雲 | O | 3000 | |
| lam01 Orionis | 恒星, Double or multiple star, Emission-line Star, Infra-Red source, UV-emission source, X-ray source | O | 1440 | |
| QZ Carinae | 恒星, Double or multiple star, Star in Cluster, Eclipsing binary of beta Lyr type (semi-detached), Infra-Red source, 連星, UV-emission source, Variable Star, X-ray source | O | 1953 | |
| TYC 3694-1331-1 | 恒星, Star in Association, Star in Cluster, Association of Stars, Be Star, Emission-line Star, Infra-Red source | O | 7680 | |
| V1034 Scorpii | 恒星, Double or multiple star, Star in Cluster, Eclipsing binary of Algol type (detached), 連星, Infra-Red source, 連星, Variable Star, X-ray source | O | 4157 | |
| V1292 Scorpii | 恒星, Star in Cluster, Eclipsing binary of Algol type (detached), Infra-Red source, 連星, Variable Star, X-ray source | O | 4102 | |
| X Persei | 恒星, Double or multiple star, ハービッグAe/Be型星, Be Star, Emission-line Star, ガンマ線, High Mass X-ray Binary, Infra-Red source, Confirmed Neutron Star, パルサー, 連星, UV-emission source, Variable Star, X-ray source | O | 1394 |