For faster navigation, this Iframe is preloading the Wikiwand page for HD 40307 g.

HD 40307 g

HD 40307 g
太阳系外行星 太阳系外行星列表

想象图
母恒星
母恒星 HD 40307
星座 绘架座
赤经 (α) 05h 54m 04.2409s[1]
赤纬 (δ) −60° 01′ 24.498″[1]
距离41.8 ± 0.3 ly (12.83 ± 0.09[1] pc)
光谱类型 K2.5V[1]
轨道参数
半长轴 (a) 0.600[2] AU
轨道离心率 (e) 0.22[2]
公转周期 (P) 197.8 ± 9.0[2] d
半振幅 (K) 0.95 ± 0.3[2] m/s
物理性质
最小质量(m sin i)7.1[2] M🜨
发现
发现时间 2012年10月28日
发现者 Mikko Tuomi 等
发现方法 径向速度,借助HARPS
发现地点 智利拉西拉天文台
发表论文 已公布[2]
数据库参考
太阳系外行星
百科全书
data
SIMBADdata

HD 40307 g,为一颗位于绘架座太阳系外行星,位于恒星HD 40307适居带之内,距离地球42光年。2012年10月28日,米可·托米等人借助欧洲南方天文台HARPS光谱仪设备发现了该行星。[2][3][4]11月8日,该天文团队宣布了这一发现。[5]

HD 40307 g与母恒星的距离接近一个天文单位,可能存在液态水。按照赫特福德大学天文学家休·琼斯的推断,该行星可能为一颗较适宜类地生命存在的星体。[3]

参考文献

[编辑]
  1. ^ 1.0 1.1 1.2 1.3 HD 40307. SIMBAD. Centre de Données astronomiques de Strasbourg. 2008 [18 June 2008]. (原始内容存档于2018-07-02). 
  2. ^ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 Tuomi, Anglada-Escude, Gerlach, Jones, Reiners, Rivera, Vogt, Butler, Mikko, Guillem, Enrico, Hugh R. R., Ansgar, Eugenio J., Steven S., R. Paul. Habitable-zone super-Earth candidate in a six-planet system around the K2.5V star HD 40307. 2012. arXiv:1211.1617v1可免费查阅 [astro-ph].  cite arXiv模板填写了不支持的参数 (帮助)
  3. ^ 3.0 3.1 Wall, Mike. 'Super-Earth' Alien Planet May Be Habitable for Life. Space.com. November 7, 2012 [November 8, 2012]. (原始内容存档于2020-01-07). 
  4. ^ Tate, Karl. Super-Earth Planet: Potentially Habitable Alien World Explained (Infographic). Space.com. November 7, 2012 [November 8, 2012]. (原始内容存档于2019-07-18). 
  5. ^ 天文学家发现“超级地球”. [2012-11-09]. (原始内容存档于2016-03-04). 
{{bottomLinkPreText}} {{bottomLinkText}}
HD 40307 g
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?