车府增十一
  | |
| 观测资料 历元 J2000.0 | |
|---|---|
| 星座 | 蝎虎座[1][2] |
| 星官 | 车府 |
| 赤经 | 22h 39m 15.67864s[3] |
| 赤纬 | +39° 03′ 00.9712″[3] |
| 视星等（V） | 4.880[4] |
| 特性 | |
| 光谱分类 | O9V[5] |
| U−B 色指数 | −1.010[4] |
| B−V 色指数 | −0.210[4] |
| 变星类型 | 仙王座β型变星？[6] |
| 天体测定 | |
| 径向速度 (Rv) | −10.10[7] km/s |
| 自行 (μ) | 赤经：−0.32[3] mas/yr 赤纬：−5.46[3] mas/yr |
| 视差 (π) | 1.89 ± 0.22[3] mas |
| 距离 | 715[8] pc |
| 绝对星等 (MV) | −4.40[9] |
| 详细资料 [9] | |
| 质量 | 26.9 M☉ |
| 半径 | 8.27 R☉ |
| 表面重力 (log g) | 4.03 |
| 亮度 | 102,000 L☉ |
| 温度 | 36,000 K |
| 自转速度 (v sin i) | 35 km/s |
| 其他命名 | |
| 参考数据库 | |
| SIMBAD | 资料 |
蝎虎座10（10 Lac），中国传统名称车府增十一，是蝎虎座的一颗恒星[1][2]，视星等为4.88，位于银经96.65，银纬-16.98。蝎虎座10距离地球约700秒差距（2,300光年），是蝎虎座OB1（Lacerta OB1）星协的成员。蝎虎座10是高温且大质量的O型主序星，光谱型O9V。它可能是仙王座β型变星。
概要
蝎虎座10是第一批被确认的O型恒星之一（与四渎增一），并且自20世纪初开始一直被视为摩根-肯那光谱分类法的分类定位点之一。具体来说，它是光谱O9V恒星的代表，是主序带上表面温度相对较低的O型恒星[10]。
蝎虎座10有一个视星等8的伴星，在天球上距离约1角分[11]。
参考文献
- ^ 1.0 1.1 Pulsating variable Star. SIMBAD. Centre de Données astronomiques de Strasbourg. [2012-07-13]. （原始内容存档于2019-07-23）.
- ^ 2.0 2.1 VizieR Detailed Page. [2012-07-13]. （原始内容存档于2020-08-04）.
- ^ 3.0 3.1 3.2 3.3 3.4 van Leeuwen, F. Validation of the new Hipparcos reduction. Astronomy and Astrophysics. November 2007, 474: 653–664. Bibcode:2007A&A...474..653V. arXiv:0708.1752
. doi:10.1051/0004-6361:20078357.
- ^ 4.0 4.1 4.2 UBV photometry of stars whose positions are accurately known. VII. Astronomy and Astrophysics Supplement Series: 591–592. Bibcode:1993A&AS..100..591O. ISSN 0365-0138.
- ^ Sota, A.; Maíz Apellániz, J.; Walborn, N. R.; Alfaro, E. J.; Barbá, R. H.; Morrell, N. I.; Gamen, R. C.; Arias, J. I. The Galactic O-Star Spectroscopic Survey. I. Classification System and Bright Northern Stars in the Blue-violet at R ~ 2500. The Astrophysical Journal Supplement. Bibcode:2011ApJS..193...24S. arXiv:1101.4002 . doi:10.1088/0067-0049/193/2/24.
- ^ Samus, N. N.; Durlevich, O. V. VizieR Online Data Catalog: General Catalogue of Variable Stars. January 2009. Bibcode:2009yCat....102025S.
- ^ Gontcharov, G. A. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system. Astronomy Letters. 2006, 32 (11): 759. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065.
- ^ Kaltcheva, N.; Golev, V. Improved Distances to Several Galactic OB Associations. Stellar Clusters & Associations: A RIA Workshop on Gaia. 2011: 299–303. Bibcode:2011sca..conf..299K. arXiv:1107.3758 .
- ^ 9.0 9.1 Mokiem, M. R.; de Koter, A.; Puls, J.; Herrero, A.; Najarro, F.; Villamariz, M. R. Spectral analysis of early-type stars using a genetic algorithm based fitting method. Astronomy and Astrophysics. October 2005, 441 (2): 711–733. Bibcode:2005A&A...441..711M. arXiv:astro-ph/0506751 . doi:10.1051/0004-6361:20053522.
- ^ Garrison, R. F. A Hierarchy of Standards for the MK Process. Astronomical Society of the Pacific. 1994, 60: 3. Bibcode:1994ASPC...60....3G.
- ^ Dommanget, J.; Nys, O. Catalogue of the Components of Double and Multiple stars (CCDM). First edition.. 1994. Bibcode:1994CoORB.115.....D.
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