B
スペクトル分類

B
Effective temperature
10,000–25,000 K
太陽半径
1.8–6.6 R☉
太陽質量
2.1–16 M☉

B型主系列星（Bがたしゅけいれっせい）は、スペクトル型がB、光度階級がVの、水素の核融合で燃える主系列星である。太陽の2倍から16倍の質量を持ち、表面温度は10,000Kから30,000Kの間である。B型主系列星は希な存在で、主系列星全体に占める割合は0.1%程度に過ぎないと考えられている。アルゴルAがこの型に分類される。

Uses material from the Wikipedia article "B型主系列星", which is released under the Creative Commons BY-SA 3.0.
天体 距離ウィキ
Acrux恒星, Double or multiple star, 連星, UV-emission sourceB321[x]
Agena恒星, Double or multiple star, Variable Star of beta Cep type, Infra-Red source, UV-emission source, Variable Star, X-ray sourceB392[x]
Albali恒星, Infra-Red source, High proper-motion Star, UV-emission sourceB208[x]
Alcyone恒星, Double or multiple star, Star in Cluster, Star in Nebula, Be Star, Emission-line Star, Infra-Red source, UV-emission source, X-ray sourceB403[x]
Aldhibah恒星, Double or multiple star, Infra-Red source, UV-emission sourceB329[x]
Algenib恒星, Double or multiple star, Variable Star of beta Cep type, Blue object, Infra-Red source, UV-emission source, Variable StarB391[x]
Algol恒星, Double or multiple star, Eclipsing binary of Algol type (detached), Infra-Red source, 連星, UV-emission source, Variable Star, X-ray sourceB93[x]
Alkaid恒星, Infra-Red source, UV-emission source, Variable StarB104[x]
Alnair恒星, Double or multiple star, Infra-Red source, High proper-motion Star, UV-emission source, Variable Star, X-ray sourceB101[x]
Alpha Arae恒星, Double or multiple star, Be Star, Emission-line Star, Eruptive variable Star, Infra-Red source, UV-emission source, Variable Star, X-ray sourceB267[x]
Alpha Doradus恒星, Double or multiple star, Variable Star of alpha2 CVn type, Infra-Red source, UV-emission source, Variable StarB169[x]
Alpha Lupi恒星, Double or multiple star, Variable Star of beta Cep type, Infra-Red source, UV-emission source, Variable Star, X-ray sourceB465[x]
Alpha Muscae恒星, Double or multiple star, Variable Star of beta Cep type, Infra-Red source, UV-emission source, Variable StarB316[x]
Alpha Telescopii恒星, Infra-Red source, UV-emission sourceB278[x]
Alpheratz恒星, Double or multiple star, Variable Star of alpha2 CVn type, Infra-Red source, High proper-motion Star, 連星, UV-emission source, Variable StarB96[x]
Alshat恒星, Double or multiple star, Infra-Red source, UV-emission sourceB253[x]
Aludra恒星, Double or multiple star, Star in Cluster, Infra-Red source, Pulsating variable Star, 青色超巨星, UV-emission source, Variable StarB1989[x]
Arkab Prior恒星, Double or multiple star, Infra-Red sourceB378[x]
Atlas恒星, Double or multiple star, Star in Cluster, Infra-Red source, 連星, UV-emission source, Variable StarB382[x]
Bellatrix恒星, Double or multiple star, Infra-Red source, UV-emission source, Variable Star, X-ray sourceB253[x]
Beta Lupi恒星, Infra-Red source, UV-emission source, Variable StarB382[x]
Beta Muscae恒星, Double or multiple star, Infra-Red source, 連星, UV-emission sourceB342[x]
Chi Carinae恒星, Variable Star of beta Cep type, Infra-Red source, UV-emission source, Variable Star, X-ray sourceB455[x]
Delta Centauri恒星, Double or multiple star, Be Star, Emission-line Star, Infra-Red source, UV-emission source, Variable StarB415[x]
Delta Crucis恒星, Variable Star of beta Cep type, Infra-Red source, UV-emission source, Variable StarB345[x]
Delta Tucanae恒星, Double or multiple star, UV-emission source, Variable StarB251[x]
Electra恒星, Double or multiple star, Star in Cluster, Star in Nebula, Be Star, Emission-line Star, Infra-Red source, 連星, UV-emission source, Variable StarB405[x]
Epsilon Centauri恒星, Double or multiple star, Variable Star of beta Cep type, UV-emission source, Variable StarB427[x]
Epsilon Lupi恒星, Double or multiple star, Variable Star of beta Cep type, Infra-Red source, 連星, UV-emission sourceB504[x]
Epsilon Orionis恒星, Double or multiple star, Emission-line Star, Infra-Red source, 星間物質, Pulsating variable Star, 青色超巨星, UV-emission source, Variable Star, X-ray sourceB1976[x]
Eta Lupi恒星, Double or multiple star, Infra-Red source, UV-emission sourceB442[x]
Gamma Lupi恒星, Double or multiple star, Ellipsoidal variable Star, Infra-Red source, 連星, UV-emission source, Variable StarB421[x]
Gienah恒星, Infra-Red source, UV-emission source, Variable StarB153[x]
Gomeisa恒星, Double or multiple star, Be Star, Emission-line Star, Infra-Red source, UV-emission source, Variable StarB162[x]
Jabbah恒星, Double or multiple star, Star in Nebula, Infra-Red source, 連星, UV-emission sourceB474[x]
Kaus Australis恒星, Double or multiple star, Infra-Red source, UV-emission source, X-ray sourceB143[x]
Maia恒星, Double or multiple star, Star in Cluster, Star in Nebula, Infra-Red source, UV-emission source, Variable Star, X-ray sourceB383[x]
Markab恒星, Infra-Red source, UV-emission source, Variable StarB133[x]
Merope恒星, Double or multiple star, Star in Cluster, Star in Nebula, Variable Star of beta Cep type, Be Star, Emission-line Star, Infra-Red source, UV-emission source, Variable Star, X-ray sourceB381[x]
Mintaka恒星, Double or multiple star, Eclipsing binary of Algol type (detached), 連星, Infra-Red source, 連星, UV-emission source, Variable Star, X-ray sourceB693[x]
Omega Carinae恒星, Be Star, Emission-line Star, Infra-Red source, UV-emission sourceB342[x]
Peacock恒星, Double or multiple star, Infra-Red source, 連星, UV-emission sourceB178[x]
R Monocerotis恒星, Double or multiple star, ハービッグAe/Be型星, Emission-line Star, HII領域, Infra-Red source, 星間物質, 反射星雲, Variable StarB3000[x]
Regulus恒星, Double or multiple star, Infra-Red source, High proper-motion Star, UV-emission source, Variable Star, X-ray sourceB79[x]
Rigel恒星, Double or multiple star, Star in Nebula, Emission-line Star, Infra-Red source, 星間物質, Pulsating variable Star, 反射星雲, 青色超巨星, 連星, UV-emission source, Variable Star, X-ray sourceB863[x]
Rukbat恒星, UV-emission source, X-ray sourceB181[x]
Saiph恒星, Infra-Red source, 青色超巨星, UV-emission source, Variable Star, X-ray sourceB647[x]
Spica恒星, Double or multiple star, Variable Star of beta Cep type, Infra-Red source, 連星, UV-emission source, Variable Star, X-ray sourceB250[x]
Taygeta恒星, Double or multiple star, Star in Cluster, Infra-Red source, UV-emission source, Variable Star, X-ray sourceB409[x]
Theta Carinae恒星, Star in Cluster, Infra-Red source, 連星, UV-emission source, X-ray sourceB456[x]
103 Tauri恒星, Double or multiple star, Star in Cluster, Emission-line Star, Infra-Red source, 連星, UV-emission sourceB1496
106 Aquarii恒星, Infra-Red source, UV-emission source, X-ray sourceB379
116 Tauri恒星, Infra-Red source, UV-emission sourceB424
120 Tauri恒星, Be Star, Emission-line Star, Infra-Red source, UV-emission source, Variable StarB1553
13 Andromedae恒星, Variable Star of alpha2 CVn type, Infra-Red source, UV-emission source, Variable StarB300
13 Vulpeculae恒星, Double or multiple star, Infra-Red source, UV-emission sourceB334
14 Cygni恒星, Infra-Red source, UV-emission sourceB652
17 Draconis恒星, Double or multiple star, Infra-Red sourceB412
17 Vulpeculae恒星, Infra-Red source, UV-emission sourceB504
18 Aquilae恒星, Double or multiple star, 連星, Ellipsoidal variable Star, Infra-Red source, 連星, UV-emission source, Variable StarB699
18 Tauri恒星, Star in Cluster, Infra-Red source, UV-emission sourceB410
2 Cygni恒星, Double or multiple star, Infra-Red source, UV-emission sourceB843
21 Canum Venaticorum恒星, Variable Star of alpha2 CVn type, Infra-Red source, UV-emission source, Variable StarB275
26 Andromedae恒星, Double or multiple star, Infra-Red source, UV-emission sourceB662
27 Vulpeculae恒星, Infra-Red source, UV-emission sourceB318
28 Vulpeculae恒星, Infra-Red source, UV-emission sourceB522
29 Persei恒星, Star in Cluster, Infra-Red source, UV-emission sourceB638
2MASS J02211701+5708426恒星, Star in Cluster, 連星, Infra-Red source, Variable StarB7647
2MASS J02214293+5705306Star in Cluster, Infra-Red source, Variable StarB7653
2MASS J02214438+5708538恒星, Star in Cluster, Infra-Red source, Variable Star, X-ray sourceB7618
2MASS J02214446+5710522恒星, Star in Cluster, Be Star, Emission-line Star, Infra-Red source, Variable StarB7612
2MASS J02214671+5707269恒星, Star in Cluster, Infra-Red source, Variable StarB7656
2MASS J02214692+5709538Star in Cluster, Infra-Red source, Variable StarB7636
2MASS J02214964+5708215恒星, Star in Cluster, Infra-Red source, Variable StarB7651
2MASS J02215556+5705586恒星, Star in Cluster, Infra-Red source, Variable StarB7615
2MASS J02220081+5707320恒星, Star in Cluster, 連星, Infra-Red source, Variable StarB7691
2MASS J02220247+5709204恒星, Star in Cluster, Be Star, Emission-line Star, Infra-Red source, Variable StarB7665
2MASS J02220490+5706018恒星, Star in Cluster, Infra-Red source, Variable StarB7666
2MASS J02221369+5705173恒星, Star in Cluster, Infra-Red source, Variable StarB7622
2MASS J02221464+5706139恒星, Star in Cluster, Infra-Red source, Variable StarB7661
2MASS J02305691+6116297恒星, Star in Association, Star in Cluster, Infra-Red source, 若い星状天体B6121
2MASS J02310993+6119271Star in Association, Infra-Red source, 若い星状天体B6050
2MASS J02322744+6127009恒星, Star in Association, Star in Cluster, Infra-Red source, 若い星状天体B6070
2MASS J02324756+6127000恒星, Star in Association, Star in Cluster, Infra-Red source, 若い星状天体B6008
2MASS J02324932+6126416恒星, Star in Association, Star in Cluster, Infra-Red source, 若い星状天体B6089
2MASS J02325948+6136347恒星, Star in Association, Star in Cluster, Infra-Red source, 若い星状天体B5974
2MASS J02332048+6132232恒星, Star in Association, Star in Cluster, Infra-Red source, 若い星状天体B5928
2MASS J02333009+6128540恒星, Star in Association, Star in Cluster, Infra-Red source, 若い星状天体B5901
2MASS J02344671+6123299恒星, Star in Association, Star in Cluster, Infra-Red source, 若い星状天体B6056
2MASS J02360396+6125070恒星, Star in Association, Star in Cluster, Infra-Red source, 若い星状天体B6106
2MASS J03291977+3124572恒星, Star in Nebula, Infra-Red source, Very red source, X-ray source, 若い星状天体B1096
2MASS J10353813-5812207恒星, Star in Cluster, Be Star, Infra-Red sourceB7512
2MASS J10442251-5939258恒星, Star in Cluster, Infra-Red source, 散開星団, X-ray source, 若い星状天体B8068
2MASS J16543745-4147071恒星, Star in Cluster, Be Star, Infra-Red sourceB4188
2MASS J18041277-2421430恒星, Star in Cluster, Infra-Red sourceB4355
2MASS J21541877+4712096恒星, Star in Cluster, ハービッグAe/Be型星, Emission-line Star, Infra-Red source, Variable Star, 若い星状天体, 若い星状天体B3197
3 Scorpii恒星, Infra-Red source, Rotationally variable Star, UV-emission source, Variable Star, X-ray sourceB515
32 Cassiopeiae恒星, Infra-Red source, UV-emission source, Variable StarB388
34 Piscium恒星, Double or multiple star, UV-emission source, X-ray sourceB306
35 Eridani恒星, Infra-Red source, UV-emission sourceB414