PROFILBARU.COM

**γ Circini**
	圆规座γ在天球上的位置（红圈内）
觀測資料; 曆元 J2000.0
星座	圆规座
星官
赤經	15h 23m 22.64294s
赤緯	−59° 19′ 14.8131″
視星等（V）	4.51 (4.94 + 5.73)
特性
光谱分类	B5 IV + F8 V
变星类型	Be
天体测定
徑向速度 (Rv)	16.90±1.78 km/s
自行 (μ)	赤经：−12.97 mas/yr ; 赤纬：−34.24 mas/yr
视差 (π)	7.27 ± 0.81 mas
距离	approx. 450 ly ; (approx. 140 pc)
绝对星等 (MV)	−2.3/−2.6
	軌道
繞行週期 (P)	258 yr
半長軸 (a)	2.576"
偏心率 (e)	0.931
詳細資料
γ Cir A
質量	6.0±0.3 M☉
溫度	15,135 K
年齡	63.1±19.6 Myr
γ Cir B
溫度	4,786 K
其他命名
	γ Cir, HIP 75323, HR 5704, SAO 242463.

圆规座γ （γ Cir）是位於圓規座的恒星系统，视星等4.51^[2]，距地球450光年。赫歇尔于1835年发现这是一对联星，并估算两颗子星的角距离为1弧秒^[10]。

参考资料

^ ^1.0 ^1.1 ^1.2 ^1.3 ^1.4 van Leeuwen, F., Validation of the new Hipparcos reduction, Astronomy and Astrophysics, 2007, 474 (2): 653–664, Bibcode:2007A&A...474..653V, arXiv:0708.1752 , doi:10.1051/0004-6361:20078357.
^ ^2.0 ^2.1 ^2.2 Buscombe, W.; Barkstrom, B., The composite spectrum of gamma Circini, Monthly Notices of the Royal Astronomical Society, 1971, 152: 37−45, Bibcode:1971MNRAS.152...37B, doi:10.1093/mnras/152.1.37.
^ Mason, B. D.; et al, The Washington Visual Double Star Catalog, 2014 [2015-07-22], Bibcode:2001AJ....122.3466M, doi:10.1086/323920, （原始内容存档于2019-07-04）
^ ^4.0 ^4.1 Malkov, O. Yu.; et al, Dynamical masses of a selected sample of orbital binaries, Astronomy & Astrophysics, 2012, 546: A69, Bibcode:2012A&A...546A..69M, doi:10.1051/0004-6361/201219774.
^ Kazarovets, E. V.; et al. The 74th Special Name-list of Variable Stars. Information Bulletin on Variable Stars. 1999, 4659: 1. Bibcode:1999IBVS.4659....1K.
^ de Bruijne, J. H. J.; Eilers, A.-C., Radial velocities for the HIPPARCOS-Gaia Hundred-Thousand-Proper-Motion project, Astronomy & Astrophysics, October 2012, 546: 14, Bibcode:2012A&A...546A..61D, arXiv:1208.3048 , doi:10.1051/0004-6361/201219219, A61.
^ ^7.0 ^7.1 Tetzlaff, N.; et al, A catalogue of young runaway Hipparcos stars within 3 kpc from the Sun, Monthly Notices of the Royal Astronomical Society, January 2011, 410 (1): 190–200, Bibcode:2011MNRAS.410..190T, arXiv:1007.4883 , doi:10.1111/j.1365-2966.2010.17434.x.
^ ^8.0 ^8.1 Parsons, Sidney B., New and Confirmed Triple Systems with Luminous Cool Primaries and Hot Companions, The Astronomical Journal, May 2004, 127 (5): 2915−2930, Bibcode:2004AJ....127.2915P, doi:10.1086/383546.
^ gam Cir -- Double or multiple star, SIMBAD Astronomical Database (Centre de Données astronomiques de Strasbourg), [2017-01-13], （原始内容存档于2017-01-19）.
^ Carette, E.; et al, γ Circinus: a young visual binary with pre-main-sequence component(s)?, Astronomy and Astrophysics, April 1995, 296: 139, Bibcode:1995A&A...296..139C.

外部链接

http://server3.wikisky.org/starview?object_type=1&object_id=1111 （页面存档备份，存于互联网档案馆）

[vanLeeuwen2007-1] 1.0 ^1.1 ^1.2 ^1.3 ^1.4 van Leeuwen, F., Validation of the new Hipparcos reduction, Astronomy and Astrophysics, 2007, 474 (2): 653–664, Bibcode:2007A&A...474..653V, arXiv:0708.1752 , doi:10.1051/0004-6361:20078357.

[Buscombe1971-2] 2.0 ^2.1 ^2.2 Buscombe, W.; Barkstrom, B., The composite spectrum of gamma Circini, Monthly Notices of the Royal Astronomical Society, 1971, 152: 37−45, Bibcode:1971MNRAS.152...37B, doi:10.1093/mnras/152.1.37.

[Mason2014-3] Mason, B. D.; et al, The Washington Visual Double Star Catalog, 2014 [2015-07-22], Bibcode:2001AJ....122.3466M, doi:10.1086/323920, （原始内容存档于2019-07-04）

[Malkov2012-4] 4.0 ^4.1 Malkov, O. Yu.; et al, Dynamical masses of a selected sample of orbital binaries, Astronomy & Astrophysics, 2012, 546: A69, Bibcode:2012A&A...546A..69M, doi:10.1051/0004-6361/201219774.

[Kazarovets1999-5] Kazarovets, E. V.; et al. The 74th Special Name-list of Variable Stars. Information Bulletin on Variable Stars. 1999, 4659: 1. Bibcode:1999IBVS.4659....1K.

[deBruijne2012-6] Bruijne, J. H. J.; Eilers, A.-C., Radial velocities for the HIPPARCOS-Gaia Hundred-Thousand-Proper-Motion project, Astronomy & Astrophysics, October 2012, 546: 14, Bibcode:2012A&A...546A..61D, arXiv:1208.3048 , doi:10.1051/0004-6361/201219219, A61.

[Tetzlaff2011-7] 7.0 ^7.1 Tetzlaff, N.; et al, A catalogue of young runaway Hipparcos stars within 3 kpc from the Sun, Monthly Notices of the Royal Astronomical Society, January 2011, 410 (1): 190–200, Bibcode:2011MNRAS.410..190T, arXiv:1007.4883 , doi:10.1111/j.1365-2966.2010.17434.x.

[Parsons2004-8] 8.0 ^8.1 Parsons, Sidney B., New and Confirmed Triple Systems with Luminous Cool Primaries and Hot Companions, The Astronomical Journal, May 2004, 127 (5): 2915−2930, Bibcode:2004AJ....127.2915P, doi:10.1086/383546.

[SIMBAD-9] Cir -- Double or multiple star, SIMBAD Astronomical Database (Centre de Données astronomiques de Strasbourg), [2017-01-13], （原始内容存档于2017-01-19）.

[Carette1995-10] Carette, E.; et al, γ Circinus: a young visual binary with pre-main-sequence component(s)?, Astronomy and Astrophysics, April 1995, 296: 139, Bibcode:1995A&A...296..139C.

[1]

[2]

[3]

[4]

[5]

[6]

[7]

[8]

[9]

[10]