O
スペクトル分類

O
Effective temperature
≥ 25,000 K
太陽半径
≥ 6.6 R
太陽質量
≥ 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 sourceO736[x]
BD+50 2869恒星, Emission-line Star, 銀河, Infra-Red source, 惑星状星雲, UV-emission source, Variable StarO2000[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 StarO1100[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 sourceO7700[x]
GCRV 4981恒星, Emission-line Star, Infra-Red source, 惑星状星雲, Radio-source, Variable StarO800[x]
HD 218915恒星, Infra-Red source, 青色超巨星, 連星, UV-emission sourceO2490[x]
Menkib恒星, Double or multiple star, Star in Cluster, Emission-line Star, Infra-Red source, UV-emission source, Variable Star, X-ray sourceO1245[x]
Sigma Orionis恒星, Double or multiple star, Star in Cluster, Infra-Red source, 連星, UV-emission source, Variable Star, X-ray sourceO1148[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 sourceO7500[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 sourceO1083[x]
10 Lacertae恒星, Double or multiple star, Infra-Red source, UV-emission source, Variable Star, X-ray sourceO1726
2MASS J02321086+6133080恒星, Star in Association, Star in Cluster, Infra-Red source, 若い星状天体O5982
2MASS J02340253+6123108恒星, Star in Association, Star in Cluster, Infra-Red source, 若い星状天体O5969
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 StarO474
BD+33 1025恒星, Star in Association, Star in Cluster, Infra-Red source, Variable Star, X-ray sourceO824
BD+56 556恒星, Double or multiple star, Star in Cluster, Infra-Red sourceO7672
CD-24 13785恒星, Double or multiple star, Star in Cluster, Infra-Red sourceO4395
CD-41 11037恒星, Star in Cluster, Infra-Red source, 連星, Variable Star, X-ray sourceO4049
CD-58 3526恒星, Star in Cluster, Infra-Red source, X-ray sourceO8903
Cl Pismis 24 1恒星, Double or multiple star, Star in double system, Star in Cluster, Infra-Red source, X-ray sourceO8150
CPD-58 2625恒星, Star in Cluster, Infra-Red source, 散開星団, X-ray sourceO8900
CPD-59 2591恒星, Double or multiple star, Star in Cluster, Infra-Red source, 散開星団, X-ray sourceO8227
CPD-59 2626恒星, Star in Cluster, Infra-Red source, 散開星団, X-ray sourceO8248
CPD-62 2198恒星, Star in Cluster, Infra-Red sourceO5895
HD 101333恒星, Star in Cluster, Infra-Red source, UV-emission sourceO5850
HD 12993恒星, UV-emission source, Variable StarO2435
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 sourceO1388
HD 152200恒星, Star in Cluster, Infra-Red source, Variable Star, X-ray sourceO4032
HD 152233恒星, Double or multiple star, Star in Cluster, Infra-Red source, 連星, Variable Star, X-ray sourceO4009
HD 152314恒星, Double or multiple star, Star in Cluster, Infra-Red source, Variable Star, X-ray sourceO4191
HD 15570恒星, Star in Association, Star in Cluster, Emission-line Star, Infra-Red source, Variable StarO2104
HD 155889恒星, Double or multiple star, Infra-Red source, UV-emission sourceO2718
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 sourceO2160
HD 168137恒星, Star in Cluster, Infra-Red source, 連星, X-ray sourceO1394
HD 171198恒星, Infra-Red source, UV-emission sourceO1365
HD 17520恒星, Double or multiple star, Star in Cluster, Emission-line Star, Infra-Red source, Variable StarO7766
HD 193443恒星, Double or multiple star, Infra-Red source, UV-emission source, X-ray sourceO3546
HD 206183恒星, Double or multiple star, Star in Cluster, Infra-Red source, 散開星団, UV-emission sourceO2039
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 sourceO5018
HD 216898恒星, Star in Association, Association of Stars, Infra-Red source, UV-emission sourceO1930
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O1424
HD 308813恒星, Star in Cluster, Infra-Red sourceO5826
HD 308816恒星, Star in Cluster, Infra-Red sourceO5827
HD 308818恒星, Star in Cluster, Infra-Red sourceO5965
HD 312074恒星, Star in Cluster, Infra-Red sourceO6478
HD 315023恒星, Star in Cluster, Infra-Red sourceO4311
HD 75222恒星, Infra-Red source, 青色超巨星, UV-emission sourceO2364
HD 8768恒星, Double or multiple star, Star in ClusterO8583
HD 91983恒星, Star in Cluster, Infra-Red sourceO7546
HD 99897恒星, HII領域, Infra-Red sourceO1802
HERSCHEL 36恒星, Double or multiple star, Star in Cluster, Infra-Red source, 連星, Variable Star, 若い星状天体O4500
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 sourceO2146
HIP 102167恒星, Infra-Red sourceO2363
HIP 11792恒星, Star in Association, Star in Cluster, Infra-Red source, 若い星状天体O1236
HIP 17113恒星, Double or multiple star, Infra-Red sourceO635
HIP 172恒星, Star in Cluster, Infra-Red sourceO2861
HIP 18175恒星, Infra-Red sourceO968
HIP 23527恒星, Infra-Red sourceO813
HIP 26889恒星, Infra-Red source, 連星O965
HIP 28711恒星, Infra-Red sourceO355
HIP 29216恒星, Infra-Red source, UV-emission source, X-ray sourceO994
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 sourceO315
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 sourceO4056
HIP 89743恒星, Star in Cluster, Infra-Red source, X-ray sourceO1371
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O2265
HR 7767恒星, Double or multiple star, Infra-Red source, UV-emission source, X-ray sourceO1941
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 sourceO1977
IRAS 21565-3937銀河, Infra-Red source, 惑星状星雲O3000
lam01 Orionis恒星, Double or multiple star, Emission-line Star, Infra-Red source, UV-emission source, X-ray sourceO1440
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 sourceO1953
TYC 3694-1331-1恒星, Star in Association, Star in Cluster, Association of Stars, Be Star, Emission-line Star, Infra-Red sourceO7680
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 sourceO4157
V1292 Scorpii恒星, Star in Cluster, Eclipsing binary of Algol type (detached), Infra-Red source, 連星, Variable Star, X-ray sourceO4102
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 sourceO1394