屏二

屏二
	屏二的位置 (红圈处)
觀測資料; 曆元 J2000.0
星座	天兔座
星官
赤經	05h 05m 27.66537s
赤緯	–22° 22′ 15.7239″
視星等（V）	+3.166
特性
光谱分类	K4 III
U−B 色指数	+1.783
B−V 色指数	+1.478
天体测定
徑向速度 (Rv)	+1.0 km/s
自行 (μ)	赤经：+21.13 mas/yr ; 赤纬：–73.11 mas/yr
视差 (π)	15.29 ± 0.19 mas
距离	213 ± 3 ly ; (65.4 ± 0.8 pc)
绝对星等 (MV)	–1.02 ± 0.10
詳細資料
質量	1.70 ± 0.19 M☉
半徑	40.1 ± 3.2 R☉
表面重力 (log g)	1.43 ± 0.09
亮度	372 L☉
溫度	4,131 K
金属量 [Fe/H]	–0.02 dex
年齡	1.72 ± 0.47 Gyr
其他命名
	2 Leporis, BD-22 1000, FK5 186, HD 32887, HIP 23685, HR 1654, NSV 1826, SAO 170051.
參考資料庫
SIMBAD	资料

屏二（天兔座ε），又名HD 32887、HIP 23685、HR 1654、NSV 1826、SAO 170051，是天兔座的一颗恒星，视星等为3.166，其坐标为赤经 05h 05m 27.66537s，赤纬-22° 22′ 15.7239″。

参考文献

^ ^1.0 ^1.1 ^1.2 ^1.3 ^1.4 van Leeuwen, F. Validation of the new Hipparcos reduction. Astronomy and Astrophysics. November 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 Gutierrez-Moreno, Adelina; et al. A System of photometric standards. Publ. Dept. Astron. Univ. Chile (Publicaciones Universidad de Chile, Department de Astronomy). 1966, 1: 1–17. Bibcode:1966PDAUC...1....1G.
^ Houk, Nancy; Smith-Moore, M., Michigan catalogue of two-dimensional spectral types for the HD stars, Michigan Catalogue of Two-dimensional Spectral Types for the HD Stars. Volume 4 (Ann Arbor: Dept. of Astronomy, University of Michigan), 1978, 4, Bibcode:1988MSS...C04....0H
^ Wielen, R.; et al, Sixth Catalogue of Fundamental Stars (FK6). Part I. Basic fundamental stars with direct solutions, Veröff. Astron. Rechen-Inst. Heidelb (Astronomisches Rechen-Institut Heidelberg), 1999, 35 (35): 1, Bibcode:1999VeARI..35....1W
^ ^5.0 ^5.1 ^5.2 ^5.3 ^5.4 ^5.5 ^5.6 da Silva, L.; et al, Basic physical parameters of a selected sample of evolved stars, Astronomy and Astrophysics, November 2006, 458 (2): 609–623, Bibcode:2006A&A...458..609D, arXiv:astro-ph/0608160 , doi:10.1051/0004-6361:20065105
^ di Mauro, M. P.; et al. Fletcher, Karen; Thompson, Michael , 编. Proceedings of SOHO 18/GONG 2006/HELAS I, Beyond the spherical Sun (ESA SP-624). Proceedings of SOHO 18/GONG 2006/HELAS I 624 (Sheffield, UK). October 2006: 118. Bibcode:2006ESASP.624E.118D. 参数|journal=与模板{{cite conference}}不匹配（建议改用{{cite journal}}或|book-title=） (帮助); |contribution=被忽略 (帮助)
^ HD 32887 -- Variable Star. SIMBAD Astronomical Object Database. Centre de Données astronomiques de Strasbourg. [2006-10-29].

[aaa474_2_653-1] 1.0 ^1.1 ^1.2 ^1.3 ^1.4 van Leeuwen, F. Validation of the new Hipparcos reduction. Astronomy and Astrophysics. November 2007, 474 (2): 653–664. Bibcode:2007A&A...474..653V. arXiv:0708.1752 . doi:10.1051/0004-6361:20078357.

[sps1966-2] 2.0 ^2.1 ^2.2 Gutierrez-Moreno, Adelina; et al. A System of photometric standards. Publ. Dept. Astron. Univ. Chile (Publicaciones Universidad de Chile, Department de Astronomy). 1966, 1: 1–17. Bibcode:1966PDAUC...1....1G.

[houk1978-3] Houk, Nancy; Smith-Moore, M., Michigan catalogue of two-dimensional spectral types for the HD stars, Michigan Catalogue of Two-dimensional Spectral Types for the HD Stars. Volume 4 (Ann Arbor: Dept. of Astronomy, University of Michigan), 1978, 4, Bibcode:1988MSS...C04....0H

[scfs-4] Wielen, R.; et al, Sixth Catalogue of Fundamental Stars (FK6). Part I. Basic fundamental stars with direct solutions, Veröff. Astron. Rechen-Inst. Heidelb (Astronomisches Rechen-Institut Heidelberg), 1999, 35 (35): 1, Bibcode:1999VeARI..35....1W

[aaa458_2_609-5] 5.0 ^5.1 ^5.2 ^5.3 ^5.4 ^5.5 ^5.6 da Silva, L.; et al, Basic physical parameters of a selected sample of evolved stars, Astronomy and Astrophysics, November 2006, 458 (2): 609–623, Bibcode:2006A&A...458..609D, arXiv:astro-ph/0608160 , doi:10.1051/0004-6361:20065105

[esa_sp_624-6] Mauro, M. P.; et al. Fletcher, Karen; Thompson, Michael , 编. Proceedings of SOHO 18/GONG 2006/HELAS I, Beyond the spherical Sun (ESA SP-624). Proceedings of SOHO 18/GONG 2006/HELAS I 624 (Sheffield, UK). October 2006: 118. Bibcode:2006ESASP.624E.118D. 参数|journal=与模板{{cite conference}}不匹配（建议改用{{cite journal}}或|book-title=） (帮助); |contribution=被忽略 (帮助)

[SIMBAD-7] HD 32887 -- Variable Star. SIMBAD Astronomical Object Database. Centre de Données astronomiques de Strasbourg. [2006-10-29].

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屏二

参考文献

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