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**HD 176051**
觀測資料; 曆元 J2000.0
星座	天琴座
星官
赤經	18h 57m 01.6105s
赤緯	+32° 54′ 04.585″
視星等（V）	5.22
特性
光谱分类	F9V (G0V/K1V)
U−B 色指数	+0.029
B−V 色指数	+0.570
变星类型	Spectroscopic binary
天体测定
徑向速度 (Rv)	-47.2 km/s
自行 (μ)	赤经：202.86 mas/yr ; 赤纬：−143.98 mas/yr
视差 (π)	66.76 ± 0.54 mas
距离	48.9 ± 0.4 ly ; (15.0 ± 0.1 pc)
詳細資料
質量	1.07/0.71 M☉
表面重力 (log g)	4.60
溫度	6,000 K
金屬量	[Fe/H]=−0.11
年齡	8.1 × 109 年
其他命名
	ADS 11871，BD+32°3267，SAO 67612，HD 176051，HR 7162，LTT 15567，HIP 93017.
參考資料庫
SIMBAD	资料

HD 176051，又名BD+32 3267，SAO 67612、HR 7162，是一個天琴座的光譜聯星系統^[1]^[2]，视星等为5.22，位于銀經63.35，銀緯13.27，其B1900.0坐标为赤經18^h 53^m 16.6^s，赤緯+32° 13.27′ 23″。距離地球約49光年。該聯星系統的週期是22,423日（61.4日），軌道離心率0.25^[10]。相較於太陽，這兩顆恆星的金屬量較低^[8]，兩顆恆星的質量分別是1.07和0.71倍太陽質量^[5]。

行星系統

HD 176051的行星系^[11]
成員 (依恆星距離)	质量	半長軸 (AU)	轨道周期 (天)	離心率	傾角	半径
b	1.5 ± 0.3 M_J	1.76	1016 ± 40	0	—	—

該行星的母恆星是聯星。行星的各項參數是來自質量為0.71倍太陽質量的伴星（Muterspaugh et al. 2010）。如果該行星環繞質量是1.07倍太陽質量的主星，該行星質量是2.26倍木星質量，軌道半長軸2.02天文單位。

参考文献

^ ^1.0 ^1.1 ^1.2 ^1.3 ^1.4 Pulsating variable Star. SIMBAD. Centre de Données astronomiques de Strasbourg. [2012-07-13].
^ ^2.0 ^2.1 ^2.2 ^2.3 ^2.4 VizieR Detailed Page. [2012-07-13]. （原始内容存档于2016-03-05）.
^ ^3.0 ^3.1 ^3.2 ^3.3 ^3.4 Perryman, M. A. C.; et al, The Hipparcos Catalogue, Astronomy & Astrophysics, 1997, 323: L49–L52, Bibcode:1997A&A...323L..49P
^ ^4.0 ^4.1 Simbad Query Result: HD 176051 -- Spectroscopic binary. Simbad. Centre de Données astronomiques de Strasbourg. [2009-05-07]. （原始内容存档于2020-02-01）.
^ ^5.0 ^5.1 ^5.2 Muterspaugh, Matthew W.; et al. Limits to tertiary astrometric companions in binary systems. The Astrophysical Journal. 2006, 653 (2): 1469–1479. Bibcode:2006ApJ...653.1469M. S2CID 15218103. arXiv:astro-ph/0608640 . doi:10.1086/508743.
^ ^6.0 ^6.1 Rakos, K. D.; et al. Photometric and astrometric observations of close visual binaries. Astronomy and Astrophysics Supplement Series. February 1982, 47: 221–235. Bibcode:1982A&AS...47..221R.
^ Wilson, R. E. General Catalogue of Stellar Radial Velocities. Carnegie Institute Washington D.C. Publication (Washington D.C.: Carnegie Institute). 1953. Bibcode:1953GCRV..C......0W.
^ ^8.0 ^8.1 ^8.2 ^8.3 Luck, R. E.; Heiter, U. Dwarfs in the local region. Astronomical Journal. 2006, 131 (6): 3069–3092. Bibcode:2006AJ....131.3069L. doi:10.1086/504080.
^ Holmberg, J.; et al. The Geneva-Copenhagen survey of the Solar neighbourhood. II. New uvby calibrations and rediscussion of stellar ages, the G dwarf problem, age-metallicity diagram, and heating mechanisms of the disk. Astronomy & Astrophysics. 2007, 475 (2): 519–537. Bibcode:2007A&A...475..519H. S2CID 119054949. arXiv:0707.1891 . doi:10.1051/0004-6361:20077221.
^ Pourbaix, D.; et al, SB9: The Ninth Catalogue of Spectroscopic Binary Orbits, Astronomy & Astrophysics, 2004, 424: 727–732, Bibcode:2004A&A...424..727P, S2CID 119387088, arXiv:astro-ph/0406573 , doi:10.1051/0004-6361:20041213. VizierR (obsoleted) （页面存档备份，存于互联网档案馆）
^ Schneider, J. Notes for star HD 176051 b. The Extrasolar Planets Encyclopaedia. [2010-10-22]. （原始内容存档于2012-01-20）.

http://www.exoplanet.eu/star.php?st=HD+176051#a_publi （页面存档备份，存于互联网档案馆）
http://arxiv.org/PS_cache/arxiv/pdf/1010/1010.4048v1.pdf （页面存档备份，存于互联网档案馆）
http://arxiv.org/abs/1010.4048 （页面存档备份，存于互联网档案馆）
http://iopscience.iop.org/1538-3881/140/6/1657

[SIMBAD-1] 1.0 ^1.1 ^1.2 ^1.3 ^1.4 Pulsating variable Star. SIMBAD. Centre de Données astronomiques de Strasbourg. [2012-07-13].

[DATA-2] 2.0 ^2.1 ^2.2 ^2.3 ^2.4 VizieR Detailed Page. [2012-07-13]. （原始内容存档于2016-03-05）.

[aaa323-3] 3.0 ^3.1 ^3.2 ^3.3 ^3.4 Perryman, M. A. C.; et al, The Hipparcos Catalogue, Astronomy & Astrophysics, 1997, 323: L49–L52, Bibcode:1997A&A...323L..49P

[simbad-4] 4.0 ^4.1 Simbad Query Result: HD 176051 -- Spectroscopic binary. Simbad. Centre de Données astronomiques de Strasbourg. [2009-05-07]. （原始内容存档于2020-02-01）.

[apj653-5] 5.0 ^5.1 ^5.2 Muterspaugh, Matthew W.; et al. Limits to tertiary astrometric companions in binary systems. The Astrophysical Journal. 2006, 653 (2): 1469–1479. Bibcode:2006ApJ...653.1469M. S2CID 15218103. arXiv:astro-ph/0608640 . doi:10.1086/508743.

[aaass47-6] 6.0 ^6.1 Rakos, K. D.; et al. Photometric and astrometric observations of close visual binaries. Astronomy and Astrophysics Supplement Series. February 1982, 47: 221–235. Bibcode:1982A&AS...47..221R.

[Wilson1953-7] Wilson, R. E. General Catalogue of Stellar Radial Velocities. Carnegie Institute Washington D.C. Publication (Washington D.C.: Carnegie Institute). 1953. Bibcode:1953GCRV..C......0W.

[aj131-8] 8.0 ^8.1 ^8.2 ^8.3 Luck, R. E.; Heiter, U. Dwarfs in the local region. Astronomical Journal. 2006, 131 (6): 3069–3092. Bibcode:2006AJ....131.3069L. doi:10.1086/504080.

[Holmberg2007-9] Holmberg, J.; et al. The Geneva-Copenhagen survey of the Solar neighbourhood. II. New uvby calibrations and rediscussion of stellar ages, the G dwarf problem, age-metallicity diagram, and heating mechanisms of the disk. Astronomy & Astrophysics. 2007, 475 (2): 519–537. Bibcode:2007A&A...475..519H. S2CID 119054949. arXiv:0707.1891 . doi:10.1051/0004-6361:20077221.

[Pourbaix2004-10] Pourbaix, D.; et al, SB9: The Ninth Catalogue of Spectroscopic Binary Orbits, Astronomy & Astrophysics, 2004, 424: 727–732, Bibcode:2004A&A...424..727P, S2CID 119387088, arXiv:astro-ph/0406573 , doi:10.1051/0004-6361:20041213. VizierR (obsoleted) （页面存档备份，存于互联网档案馆）

[Exoplanet-11] Schneider, J. Notes for star HD 176051 b. The Extrasolar Planets Encyclopaedia. [2010-10-22]. （原始内容存档于2012-01-20）.

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