For faster navigation, this Iframe is preloading the Wikiwand page for HE 1523-0901.

HE 1523-0901

艺术家笔下的HE 1523-0901
HE 1523-0901
观测资料
历元 J2000
星座 天秤座
星官
赤经 15h 26m 01.2s
赤纬 -9° 11′ 38″
视星等(V) 11.1 [1]
距离 ~7500 [2] 光年
(~2,300 [2] pc)
光谱分类
其他命名

HE 1523-0901是一颗位于天秤座红巨星,它在银河系内,距离地球大约7500光年。它被认为是一颗第二星族星(或贫金属星)为目前发现年龄最老的恒星([Fe/H] = −2.95)。它的质量为太阳的0.8倍。通过欧洲南方天文台甚大望远镜测量出为132亿年,而宇宙年龄大约为137亿年。

这颗恒星也是人们首次透过量度元素等衰变,而推算其年龄。

参考资料

[编辑]
  1. ^ Oldest Star Image Gallery. Anthony Ayiomamitis. [2008-02-20]. (原始内容存档于2008-12-11). 
  2. ^ 2.0 2.1 Homepage of Anna Frebel. Anna Frebel. [2008-02-20]. (原始内容存档于2008-12-04). 

外部链接

[编辑]
{{bottomLinkPreText}} {{bottomLinkText}}
HE 1523-0901
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?