For faster navigation, this Iframe is preloading the Wikiwand page for OGLE-TR-123.

OGLE-TR-123

OGLE-TR-123
观测资料
历元 J2000.0 (ICRS)
星座 船底座
星官
赤经 11h 06m 51.19s[1]
赤纬 -61° 11′ 10.1″[1]
视星等(V)
特性
光谱分类F (primary)/M (b)[2]
视星等 (I)15.40 (system)[1]
变星类型食双星
天体测定
距离5000 ± 1000 ly
(1600 ± 400[2] pc)
轨道
绕行周期 (P)1.804[2] days
半长轴 (a)0.031 ± 0.002 AU[2]
偏心率 (e)0[2]
倾斜角 (i)86–90°[2]°
详细资料 [2]
OGLE-TR-123A
质量1.3 M
半径1.55 R
温度6700 ± 300 K
OGLE-TR-123b
质量0.085 M
半径0.13 R
其他命名
V816 Car, 2MASS J11065112-6111103
参考数据库
SIMBAD资料

OGLE-TR-123是一个联星系统。主星是已经测量出半径最小的主序。它是在光学重力透镜实验(OGLE)巡天中发现的,是轨道周期大约1.80天,由一颗较小的伴星掩蔽一颗较大主星的联星系统[2]

估计较小的伴星,OGLE-TR-123b半径大约是0.13太阳半径,质量大约0.085太阳质量M),或木星质量的90倍。OGLE-TR-123b的质量接近恒星质量的下限。对进行融合的恒星,这个值大约是0.07或0.08M[3]。OGLE-TR-123b是第二颗质量小于0.1M,而且已经测量出半径的恒星;第一颗这样的恒星是相似的OGLE-TR-122b[2]

相关条目

参考资料

  1. ^ 1.0 1.1 1.2 The Optical Gravitational Lensing Experiment. Additional Planetary and Low-Luminosity Object Transits from the OGLE 2001 and 2002 Observational Campaigns, A. Udalski, G. Pietrzynski, M. Szymanski, M. Kubiak, K. Zebrun, I. Soszynski, O. Szewczyk, and L. Wyrzykowski, Acta Astronomica 53 (June 2003), pp. 133–149.
  2. ^ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 Radius and mass of a transiting M dwarf near the hydrogen-burning limit. OGLE-TR-123, F. Pont, C. Moutou, F. Bouchy, R. Behrend, M. Mayor, S. Udry, D. Queloz, N. Santos, and C. Melo, Astronomy and Astrophysics 447, #3 (March 1, 2006), pp. 1035–1039. doi:10.1051/0004-6361:20053692. Bibcode2006A&A...447.1035P.
  3. ^ Theory of Low-Mass Stars and Substellar Objects页面存档备份,存于互联网档案馆), Gilles Chabrier and Isabelle Baraffe, Annual Review of Astronomy and Astrophysics 38 (2000), pp. 337–377.
{{bottomLinkPreText}} {{bottomLinkText}}
OGLE-TR-123
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?