O
恒星光谱

O
有效溫度
≥ 25,000 K
太阳半径
≥ 6.6 R☉
太阳质量
≥ 16 M☉

O型主序星(O V) 是是光譜為O，亮度為V，在主序帶（氫燃燒）上的恆星。這類恆星的質量是太陽的15至90倍太陽質量，表面溫度在30,000至52,000 K。這一類恆星非常罕見，估計在整個銀河系中只有20,000顆。例子包括參宿增一A(獵戶座σA)和車府增十一(蝎虎座10) 。

Uses material from the Wikipedia article "O型主序星", which is released under the Creative Commons BY-SA 3.0.
Astronomical object 距离Wiki
10 LacertaeStar, Double or multiple star, Infra-Red source, UV-emission source, Variable Star, X-ray sourceO1726[x]
AlnitakStar, Double or multiple star, Emission-line Star, Infra-Red source, UV-emission source, Variable Star, X-ray sourceO736[x]
BD+50 2869Star, Emission-line Star, Galaxy, Infra-Red source, 行星状星云, UV-emission source, Variable StarO2000[x]
BD-12 1172Star, centimetric Radio-source, Emission-line Star, Infra-Red source, 新星, 行星状星云, Radio-source, sub-millimetric source, UV-emission source, Variable StarO1100[x]
Eta CarinaeStar, Double or multiple star, Star in double system, Star in Cluster, Emission-line Star, 伽马射线, Infra-Red source, 新星, Radio-source, 藍超巨星, sub-millimetric source, UV-emission source, Variable Star, X-ray sourceO7700[x]
GCRV 4981Star, Emission-line Star, Infra-Red source, 行星状星云, Radio-source, Variable StarO800[x]
HD 218915Star, Infra-Red source, 藍超巨星, 聯星, UV-emission sourceO2490[x]
HR 8281Star, Double or multiple star, Star in Cluster, Emission-line Star, Infra-Red source, 疏散星团, 聯星, UV-emission source, X-ray sourceO1977[x]
Sigma OrionisStar, Double or multiple star, Star in Cluster, Infra-Red source, 聯星, UV-emission source, Variable Star, X-ray sourceO1148[x]
V1357 CygniStar, Star in Association, 赫比格Ae/Be星, Black Hole, Ellipsoidal variable Star, 伽马射线, High Mass X-ray Binary, Infra-Red source, 藍超巨星, 聯星, Variable Star, X-ray sourceO7500[x]
X PerseiStar, Double or multiple star, 赫比格Ae/Be星, Be Star, Emission-line Star, 伽马射线, High Mass X-ray Binary, Infra-Red source, Confirmed Neutron Star, 脉冲星, 聯星, UV-emission source, Variable Star, X-ray sourceO1394[x]
Zeta PuppisStar, 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]
2MASS J02321086+6133080Star, Star in Association, Star in Cluster, Infra-Red source, 初期恆星體O5982
2MASS J02340253+6123108Star, Star in Association, Star in Cluster, Infra-Red source, 初期恆星體O5969
AlniyatStar, Double or multiple star, Star in Nebula, Variable Star of beta Cep type, 电离氢区, Infra-Red source, 星际物质, Radio-source, 反射星雲, 聯星, UV-emission source, Variable StarO474
BD+33 1025Star, Star in Association, Star in Cluster, Infra-Red source, Variable Star, X-ray sourceO824
BD+56 556Star, Double or multiple star, Star in Cluster, Infra-Red sourceO7672
CD-24 13785Star, Double or multiple star, Star in Cluster, Infra-Red sourceO4395
CD-41 11037Star, Star in Cluster, Infra-Red source, 聯星, Variable Star, X-ray sourceO4049
CD-58 3526Star, Star in Cluster, Infra-Red source, X-ray sourceO8903
Cl Pismis 24 1Star, Double or multiple star, Star in double system, Star in Cluster, Infra-Red source, X-ray sourceO8150
CPD-58 2625Star, Star in Cluster, Infra-Red source, 疏散星团, X-ray sourceO8900
CPD-59 2591Star, Double or multiple star, Star in Cluster, Infra-Red source, 疏散星团, X-ray sourceO8227
CPD-59 2626Star, Star in Cluster, Infra-Red source, 疏散星团, X-ray sourceO8248
CPD-62 2198Star, Star in Cluster, Infra-Red sourceO5895
HD 101333Star, Star in Cluster, Infra-Red source, UV-emission sourceO5850
HD 12993Star, UV-emission source, Variable StarO2435
HD 148937Star, Double or multiple star, Emission-line Star, Emission Object, Galaxy, 电离氢区, Infra-Red source, 星际物质, 行星状星云, 聯星, UV-emission source, Variable Star, X-ray sourceO1388
HD 152200Star, Star in Cluster, Infra-Red source, Variable Star, X-ray sourceO4032
HD 152233Star, Double or multiple star, Star in Cluster, Infra-Red source, 聯星, Variable Star, X-ray sourceO4009
HD 152314Star, Double or multiple star, Star in Cluster, Infra-Red source, Variable Star, X-ray sourceO4191
HD 15570Star, Star in Association, Star in Cluster, Emission-line Star, Infra-Red source, Variable StarO2104
HD 155889Star, Double or multiple star, Infra-Red source, UV-emission sourceO2718
HD 167971Star, Double or multiple star, Star in Cluster, Eclipsing binary of beta Lyr type (semi-detached), Emission-line Star, Infra-Red source, 藍超巨星, UV-emission source, Variable Star, X-ray sourceO2160
HD 168137Star, Star in Cluster, Infra-Red source, 聯星, X-ray sourceO1394
HD 171198Star, Infra-Red source, UV-emission sourceO1365
HD 17520Star, Double or multiple star, Star in Cluster, Emission-line Star, Infra-Red source, Variable StarO7766
HD 193443Star, Double or multiple star, Infra-Red source, UV-emission source, X-ray sourceO3546
HD 206183Star, Double or multiple star, Star in Cluster, Infra-Red source, 疏散星团, UV-emission sourceO2039
HD 215835Star, Double or multiple star, Star in Association, Star in Cluster, Ellipsoidal variable Star, Infra-Red source, 聯星, UV-emission source, Variable Star, X-ray sourceO5018
HD 216898Star, Star in Association, Association of Stars, Infra-Red source, UV-emission sourceO1930
HD 217086Star, Double or multiple star, Star in Association, Association of Stars, Infra-Red source, X-ray source, 初期恆星體, 初期恆星體O1424
HD 308813Star, Star in Cluster, Infra-Red sourceO5826
HD 308816Star, Star in Cluster, Infra-Red sourceO5827
HD 308818Star, Star in Cluster, Infra-Red sourceO5965
HD 312074Star, Star in Cluster, Infra-Red sourceO6478
HD 315023Star, Star in Cluster, Infra-Red sourceO4311
HD 75222Star, Infra-Red source, 藍超巨星, UV-emission sourceO2364
HD 8768Star, Double or multiple star, Star in ClusterO8583
HD 91983Star, Star in Cluster, Infra-Red sourceO7546
HD 99897Star, 电离氢区, Infra-Red sourceO1802
HERSCHEL 36Star, Double or multiple star, Star in Cluster, Infra-Red source, 聯星, Variable Star, 初期恆星體O4500
HIP 101341Star, Double or multiple star, Star in Association, Star in Cluster, Eclipsing binary of beta Lyr type (semi-detached), Emission-line Star, Infra-Red source, 藍超巨星, 聯星, Variable Star, X-ray sourceO2146
HIP 102167Star, Infra-Red sourceO2363
HIP 11792Star, Star in Association, Star in Cluster, Infra-Red source, 初期恆星體O1236
HIP 17113Star, Double or multiple star, Infra-Red sourceO635
HIP 172Star, Star in Cluster, Infra-Red sourceO2861
HIP 18175Star, Infra-Red sourceO968
HIP 23527Star, Infra-Red sourceO813
HIP 26889Star, Infra-Red source, 聯星O965
HIP 28711Star, Infra-Red sourceO355
HIP 29216Star, Infra-Red source, UV-emission source, X-ray sourceO994
HIP 40430Star, Infra-Red source, Nova-like Star, 新星, High proper-motion Star, 聯星, UV-emission source, Variable Star, X-ray sourceO315
HIP 82691Star, Double or multiple star, Star in Cluster, Eclipsing binary of beta Lyr type (semi-detached), Emission-line Star, Infra-Red source, 藍超巨星, 聯星, Variable Star, X-ray sourceO4056
HIP 89743Star, Star in Cluster, Infra-Red source, X-ray sourceO1371
HR 6272Star, Double or multiple star, Star in Cluster, Emission-line Star, Infra-Red source, 藍超巨星, UV-emission source, Variable Star, 沃爾夫–拉葉星O2265
HR 7767Star, Double or multiple star, Infra-Red source, UV-emission source, X-ray sourceO1941
IRAS 21565-3937Galaxy, Infra-Red source, 行星状星云O3000
lam01 OrionisStar, Double or multiple star, Emission-line Star, Infra-Red source, UV-emission source, X-ray sourceO1440
MenkibStar, Double or multiple star, Star in Cluster, Emission-line Star, Infra-Red source, UV-emission source, Variable Star, X-ray sourceO1245
QZ CarinaeStar, Double or multiple star, Star in Cluster, Eclipsing binary of beta Lyr type (semi-detached), Infra-Red source, 聯星, UV-emission source, Variable Star, X-ray sourceO1953
TYC 3694-1331-1Star, Star in Association, Star in Cluster, Association of Stars, Be Star, Emission-line Star, Infra-Red sourceO7680
V1034 ScorpiiStar, Double or multiple star, Star in Cluster, Eclipsing binary of Algol type (detached), 聯星, Infra-Red source, 聯星, Variable Star, X-ray sourceO4157
V1292 ScorpiiStar, Star in Cluster, Eclipsing binary of Algol type (detached), Infra-Red source, 聯星, Variable Star, X-ray sourceO4102