For faster navigation, this Iframe is preloading the Wikiwand page for 南三角座ζ.

南三角座ζ

Zeta Trianguli Australis
观测资料
历元 J2000
星座 南三角座
星官
赤经 16h 28m 28.1s
赤纬 -70° 05′ 04″
视星等(V) 4.90
特性
光谱分类F9 V (F6V + G1V)
U−B 色指数0.03
B−V 色指数0.54
变星类型?
天体测定
径向速度 (Rv)+7.6 km/s
自行 (μ) 赤经:199.88 mas/yr
赤纬:110.77 mas/yr
视差 (π)82.87 ± 0.57 mas
距离39.4 ± 0.3 ly
(12.07 ± 0.08 pc)
绝对星等 (MV)4.49
其他命名
Gl 624, HR 6098, CD -69°2558, HD 147584, LTT 6558, GCTP 3719.00, SAO 253554, FK5 610, GC 22089, HIP 80686.

南三角座ζ(ζ TrA)是位于南三角座双星系统,约距离地球39.5光年

此双星系统由两颗主序星组成,一颗为黄白色的F型矮星,另一颗为黄色的G型矮星。两颗星的结合光谱型为F9V,结合视星等为+4.90。它们互相围绕着对方公转,周期为13天,轨道离心率为0.014。

尽管南三角座ζ在夜空中的位置在70° S,它依然属于大熊座移动星群

参考资料

  • Jovan Skuljan, 2004, "Accurate orbital parameters for the bright southern spectroscopic binary ζ Trianguli Australis – an interesting case of a near-circular orbit", Monthly Notices of the Royal Astronomical Society, Volume 352, p. 975.
{{bottomLinkPreText}} {{bottomLinkText}}
南三角座ζ
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?