HD 4628

**HD 4628**
观测资料; 历元 J2000
星座	双鱼座
星官
赤经	00h 48m 22.97634s
赤纬	+05° 16′ 50.2096″
视星等（V）	5.74
特性
光谱分类	K2.5 V
U−B 色指数	+0.60
B−V 色指数	+0.89
天体测定
径向速度 (Rv)	−10.41±0.15 km/s
自行 (μ)	赤经：755.561 mas/yr ; 赤纬：−1,141.745 mas/yr
视差 (π)	134.4948 ± 0.0578 mas
距离	24.25 ± 0.01 ly ; (7.435 ± 0.003 pc)
绝对星等 (MV)	6.37
详细资料
质量	0.70±0.10 M☉
半径	0.749±0.051 R☉
表面重力 (log g)	4.39±0.16
亮度	0.28 L☉
温度	5,055±40 K
金属量 [Fe/H]	–0.22 dex
自转	38.0 days
年龄	5.4 Gyr
其他命名
	BD+04°123、HD 4628、HIP 3765、HR 222、SAO 109471、LHS 121、LTT 10285、Wolf 25, Lal 1299
参考资料库
SIMBAD	资料

HD 4628，又名BD+04 123，SAO 109471、HR 222，是一颗位于双鱼座的恒星^[10]，视星等为5.75，位于银经121.49，银纬-57.57，其B1900.0坐标为赤经0^h 43^m 8.2^s，赤纬+4° -57.57′ 0″。

参考文献[编辑]

^ ^1.0 ^1.1 ^1.2 ^1.3 ^1.4 Brown, A. G. A.; Vallenari, A.; Prusti, T.; de Bruijne, J. H. J.; et al. Gaia Data Release 2. Summary of the contents and survey properties. Astronomy & Astrophysics. 2018. Bibcode:2018A&A...616A...1G. arXiv:1804.09365 . doi:10.1051/0004-6361/201833051. VizieR中此天体在盖亚望远镜第二批数据发布的记录
^ Mermilliod, J.-C., Compilation of Eggen's UBV data, transformed to UBV (unpublished), Catalogue of Eggen's UBV Data. SIMBAD, 1986, Bibcode:1986EgUBV........0M.
^ ^3.0 ^3.1 ^3.2 Gray, R. O.; et al, Contributions to the Nearby Stars (NStars) Project: spectroscopy of stars earlier than M0 within 40 pc-The Southern Sample, The Astronomical Journal, July 2006, 132 (1): 161–170, Bibcode:2006AJ....132..161G, S2CID 119476992, arXiv:astro-ph/0603770 , doi:10.1086/504637
^ Brown, A. G. A.; et al. Gaia Early Data Release 3: Summary of the contents and survey properties. Astronomy & Astrophysics. 2021, 649: A1. Bibcode:2021A&A...649A...1G. S2CID 227254300. arXiv:2012.01533 . doi:10.1051/0004-6361/202039657 . 已忽略未知参数|collaboration= (帮助) (勘误: doi:10.1051/0004-6361/202039657e). Gaia EDR3 record for this source at VizieR.
^ Holmberg, J.; et al, The Geneva-Copenhagen survey of the solar neighbourhood. III. Improved distances, ages, and kinematics, Astronomy and Astrophysics, July 2009, 501 (3): 941–947, Bibcode:2009A&A...501..941H, S2CID 118577511, arXiv:0811.3982 , doi:10.1051/0004-6361/200811191.
^ ^6.0 ^6.1 ^6.2 ^6.3 Ghezzi, L.; et al, Stellar Parameters and Metallicities of Stars Hosting Jovian and Neptunian Mass Planets: A Possible Dependence of Planetary Mass on Metallicity, The Astrophysical Journal, September 2010, 720 (2): 1290–1302, Bibcode:2010ApJ...720.1290G, S2CID 118565025, arXiv:1007.2681 , doi:10.1088/0004-637X/720/2/1290
^ van Belle, Gerard T.; von Braun, Kaspar. Directly Determined Linear Radii and Effective Temperatures of Exoplanet Host Stars. The Astrophysical Journal. 2009, 694 (2): 1085–1098. Bibcode:2009ApJ...694.1085V. S2CID 18370219. arXiv:0901.1206 . doi:10.1088/0004-637X/694/2/1085.
^ ^8.0 ^8.1 Maldonado, J.; et al, A spectroscopy study of nearby late-type stars, possible members of stellar kinematic groups, Astronomy and Astrophysics, October 2010, 521: A12, Bibcode:2010A&A...521A..12M, S2CID 119209183, arXiv:1007.1132 , doi:10.1051/0004-6361/201014948
^ Mamajek, Eric E.; Hillenbrand, Lynne A., Improved Age Estimation for Solar-Type Dwarfs Using Activity-Rotation Diagnostics, The Astrophysical Journal, November 2008, 687 (2): 1264–1293, Bibcode:2008ApJ...687.1264M, S2CID 27151456, arXiv:0807.1686 , doi:10.1086/591785
^ ^10.0 ^10.1 HD 4628 -- High proper-motion Star, SIMBAD Astronomical Database (Centre de Données astronomiques de Strasbourg), [2016-07-15], （原始内容存档于2021-11-18）.

这是一篇与恒星相关的小作品。你可以通过编辑或修订扩充其内容。

[GaiaDR2-1] 1.0 ^1.1 ^1.2 ^1.3 ^1.4 Brown, A. G. A.; Vallenari, A.; Prusti, T.; de Bruijne, J. H. J.; et al. Gaia Data Release 2. Summary of the contents and survey properties. Astronomy & Astrophysics. 2018. Bibcode:2018A&A...616A...1G. arXiv:1804.09365 . doi:10.1051/0004-6361/201833051. VizieR中此天体在盖亚望远镜第二批数据发布的记录

[Mermilliod1986-2] Mermilliod, J.-C., Compilation of Eggen's UBV data, transformed to UBV (unpublished), Catalogue of Eggen's UBV Data. SIMBAD, 1986, Bibcode:1986EgUBV........0M.

[aj132_1_161-3] 3.0 ^3.1 ^3.2 Gray, R. O.; et al, Contributions to the Nearby Stars (NStars) Project: spectroscopy of stars earlier than M0 within 40 pc-The Southern Sample, The Astronomical Journal, July 2006, 132 (1): 161–170, Bibcode:2006AJ....132..161G, S2CID 119476992, arXiv:astro-ph/0603770 , doi:10.1086/504637

[GaiaEDR3-4] Brown, A. G. A.; et al. Gaia Early Data Release 3: Summary of the contents and survey properties. Astronomy & Astrophysics. 2021, 649: A1. Bibcode:2021A&A...649A...1G. S2CID 227254300. arXiv:2012.01533 . doi:10.1051/0004-6361/202039657 . 已忽略未知参数|collaboration= (帮助) (勘误: doi:10.1051/0004-6361/202039657e). Gaia EDR3 record for this source at VizieR.

[Holmberg2009-5] Holmberg, J.; et al, The Geneva-Copenhagen survey of the solar neighbourhood. III. Improved distances, ages, and kinematics, Astronomy and Astrophysics, July 2009, 501 (3): 941–947, Bibcode:2009A&A...501..941H, S2CID 118577511, arXiv:0811.3982 , doi:10.1051/0004-6361/200811191.

[apj720_2_1290-6] 6.0 ^6.1 ^6.2 ^6.3 Ghezzi, L.; et al, Stellar Parameters and Metallicities of Stars Hosting Jovian and Neptunian Mass Planets: A Possible Dependence of Planetary Mass on Metallicity, The Astrophysical Journal, September 2010, 720 (2): 1290–1302, Bibcode:2010ApJ...720.1290G, S2CID 118565025, arXiv:1007.2681 , doi:10.1088/0004-637X/720/2/1290

[van_Belle2009-7] van Belle, Gerard T.; von Braun, Kaspar. Directly Determined Linear Radii and Effective Temperatures of Exoplanet Host Stars. The Astrophysical Journal. 2009, 694 (2): 1085–1098. Bibcode:2009ApJ...694.1085V. S2CID 18370219. arXiv:0901.1206 . doi:10.1088/0004-637X/694/2/1085.

[aaa521_A12-8] 8.0 ^8.1 Maldonado, J.; et al, A spectroscopy study of nearby late-type stars, possible members of stellar kinematic groups, Astronomy and Astrophysics, October 2010, 521: A12, Bibcode:2010A&A...521A..12M, S2CID 119209183, arXiv:1007.1132 , doi:10.1051/0004-6361/201014948

[MH08-9] Mamajek, Eric E.; Hillenbrand, Lynne A., Improved Age Estimation for Solar-Type Dwarfs Using Activity-Rotation Diagnostics, The Astrophysical Journal, November 2008, 687 (2): 1264–1293, Bibcode:2008ApJ...687.1264M, S2CID 27151456, arXiv:0807.1686 , doi:10.1086/591785

[SIMBAD-10] 10.0 ^10.1 HD 4628 -- High proper-motion Star, SIMBAD Astronomical Database (Centre de Données astronomiques de Strasbourg), [2016-07-15], （原始内容存档于2021-11-18）.

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观测资料历元 J2000
星座	双鱼座
星官
赤经	00^h 48^m 22.97634^s^[1]
赤纬	+05° 16′ 50.2096″^[1]
视星等（V）	5.74^[2]
特性
光谱分类	K2.5 V^[3]
U−B 色指数	+0.60^[3]
B−V 色指数	+0.89^[3]
天体测定

径向速度 (R_v)	2998895900000000000♠−10.41±0.15^[1] km/s
自行 (μ)	赤经：755.561^[1] mas/yr 赤纬：−1,141.745^[1] mas/yr
视差 (π)	134.4948 ± 0.0578^[4] mas
距离	24.25 ± 0.01 ly (7.435 ± 0.003 pc)
绝对星等 (M_V)	6.37^[5]

详细资料

质量	6999700000000000000♠0.70±0.10^[6] M_☉
半径	6999749000000000000♠0.749±0.051^[7] R_☉
表面重力 (log g)	7000438999999999999♠4.39±0.16^[6]
亮度	0.28^[6] L_☉
温度	7003505500000000000♠5,055±40^[6] K
金属量 [Fe/H]	–0.22^[8] dex
自转	38.0 days^[8]
年龄	5.4^[9] Gyr

其他命名
BD+04°123、HD 4628、HIP 3765、HR 222、SAO 109471、LHS 121、LTT 10285、Wolf 25, Lal 1299^[10]
参考资料库
SIMBAD	资料