For faster navigation, this Iframe is preloading the Wikiwand page for 格利泽892.

格利泽892

HD 219134
观测资料
历元 J2000.0
星座 仙后座[1][2]
星官
赤经 23h 13m 17s[1][2]
赤纬 +57° 10′ 6″[1][2]
视星等(V) 5.56[1][2]
特性
光谱分类K3V[1][2]
U−B 色指数0.89[1][2]
B−V 色指数1.01[1][2]
R−I 色指数0.53[1][2]
天体测定
径向速度 (Rv)0.89 km/s
自行 (μ) 赤经:-18 mas/yr
赤纬:- mas/yr
视差 (π)0.152 mas
距离21.35 ± 0.04 ly
(6.55 ± 0.01 pc)
其他命名
BD+56 2966,SAO 35236,HD 219134,HR 8832
参考数据库
SIMBAD资料

HD 219134,又名BD+56 2966SAO 35236HR 8832,是一颗位于仙后座的恒星[1][2],视星等为5.56,位于银经109.87,银纬-3.19,其B1900.0坐标为赤经23h 8m 27.8s,赤纬+56° -3.19′ 58″。

已知该恒星拥有7颗行星(b、c、d、f、g、h已证实,e尚未确认)。

行星系统

[编辑]

一个由六颗已知系外行星组成的系统。最里面的行星HD 219134 b是一颗超级地球,体积是地球的 1.6 倍和密度为每立方厘米6.4克。[3][4]

HD 219134的行星系[5][6][7]
成员
(依恒星距离)
质量 半长轴
(AU)
轨道周期
()
离心率 倾角 半径
b 4.74±0.19 M 0.03876±0.00047 3.092926±0.000010 0 (fixed) 85.05±0.09° 1.602±0.055 R
c 4.36±0.22 M 0.06530±0.00080 6.76458±0.00033 0.062±0.039 87.28±0.10° 1.511±0.047 R
f >7.30±0.40 M 0.1463±0.0018 22.717±0.015 0.148±0.047
d >16.17±0.64 M 0.2370±0.0030 46.859±0.028 0.138±0.025
g >11±1 M 0.3753±0.0004 94.2±0.2 0
e (未确认) >70.9±31.45 M 2.56±1.6 1842±2290 0.34±0.17
h[8] >98 M 3.11±0.04 2100.6±2.9 0.06±0.04

参考文献

[编辑]
  1. ^ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 Pulsating variable Star. SIMBAD. Centre de Données astronomiques de Strasbourg. [2012-07-13]. (原始内容存档于2019-05-19). 
  2. ^ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 VizieR Detailed Page. [2012-07-13]. (原始内容存档于2016-03-05). 
  3. ^ PIA19832: Location of Nearest Rocky Exoplanet Known. NASA. 30 July 2015 [30 July 2015]. (原始内容存档于2019-06-26). 
  4. ^ Chou, Felicia; Clavin, Whitney. NASA's Spitzer Confirms Closest Rocky Exoplanet. NASA. 30 July 2015 [31 July 2015]. (原始内容存档于2017-05-17). 
  5. ^ Vogt, Steven S.; et al. Six Planets Orbiting HD 219134. The Astrophysical Journal. November 2015, 814 (1): 12. Bibcode:2015ApJ...814...12V. S2CID 45438051. arXiv:1509.07912可免费查阅. doi:10.1088/0004-637X/814/1/12. 
  6. ^ Johnson, Marshall C.; et al. A 12-year Activity Cycle for the Nearby Planet Host Star HD 219134. The Astrophysical Journal. April 2016, 821 (2): 74. Bibcode:2016ApJ...821...74J. S2CID 118651905. arXiv:1602.05200可免费查阅. doi:10.3847/0004-637X/821/2/74. 
  7. ^ Gillon, Michaël; et al. Two massive rocky planets transiting a K-dwarf 6.5 parsecs away. Nature Astronomy. 2017, 1 (3). 0056. Bibcode:2017NatAs...1E..56G. S2CID 56075932. arXiv:1703.01430可免费查阅. doi:10.1038/s41550-017-0056. 
  8. ^ Van Zandt, Judah; et al, TESS-Keck Survey. XIV. Two Giant Exoplanets from the Distant Giants Survey, The Astronomical Journal, 2023, 165 (2): 60, S2CID 252280288, arXiv:2209.06958可免费查阅, doi:10.3847/1538-3881/aca6ef 
{{bottomLinkPreText}} {{bottomLinkText}}
格利泽892
Listen to this article

This browser is not supported by Wikiwand :(
Wikiwand requires a browser with modern capabilities in order to provide you with the best reading experience.
Please download and use one of the following browsers:

This article was just edited, click to reload
This article has been deleted on Wikipedia (Why?)

Back to homepage

Please click Add in the dialog above
Please click Allow in the top-left corner,
then click Install Now in the dialog
Please click Open in the download dialog,
then click Install
Please click the "Downloads" icon in the Safari toolbar, open the first download in the list,
then click Install
{{::$root.activation.text}}

Install Wikiwand

Install on Chrome Install on Firefox
Don't forget to rate us

Tell your friends about Wikiwand!

Gmail Facebook Twitter Link

Enjoying Wikiwand?

Tell your friends and spread the love:
Share on Gmail Share on Facebook Share on Twitter Share on Buffer

Our magic isn't perfect

You can help our automatic cover photo selection by reporting an unsuitable photo.

This photo is visually disturbing This photo is not a good choice

Thank you for helping!


Your input will affect cover photo selection, along with input from other users.

X

Get ready for Wikiwand 2.0 🎉! the new version arrives on September 1st! Don't want to wait?