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2MASS 0727+1710

2MASS J07271824+1710012
觀測資料
曆元 J2000
星座 双子座
星官
赤經 07h 27m 18.24s
赤緯 17° 10′ 01.2″
視星等（V）
特性
光谱分类T7
视星等 (J)15.600 ± 0.061
视星等 (H)15.756 ± 0.171
视星等 (K)15.556 ± 0.194
天体测定
视差 (π)110.14 ± 2.34 mas
距离29.6 ± 0.6 ly
(9.1 ± 0.2 pc)
詳細資料
溫度800 – 1300 K
其他命名
2MASS 0727+1710;
2MASSI J0727182+171001;
LEHPM 2- 461;
2MASSW J0727182+171001

2MASS J07271824 +1710012（简称2MASS 0727+1710）是一颗位于双子座的棕矮星，距离地球29.6光年。它是在2002年由 Adam J. Bourgas等人发现的。2MASS 0727+1710的光谱分型是T7，表面温度为800－1300K。和其他T7型棕矮星一样，它的光谱主要是由甲烷贡献。它的自行速度为每年1.2965角秒。它的视差为110.14角秒。

参考资料

[编辑]
与地球距离与地球距离在25–30光年范围内的恒星系统（包括褐矮星恒星系统）
A V
（白）
F V
（黄-白）
  • 參旗六（26.2 ± 0.2光年；1颗恒星）
  • 御女四（26.22 ± 0.11光年；2颗恒星）
  • 鳥喙六（28.0 ± 0.2光年；1颗恒星）
  • 厕三（29.3 ± 0.2光年；2颗恒星）
G
（黄）
  • 九河（27.4 ± 0.2光年；4颗恒星）
K
（橙）
  • 天苑三（29.49 ± 0.06光年；1颗恒星）
  • 格利泽673（25.2 ± 0.2光年；1颗恒星）‡
  • 格利泽884（26.6 ± 0.3光年；1颗恒星）
  • HD 10360（26.6 ± 0.3光年；2颗恒星）
  • 格利泽250（28.4 ± 0.3光年；2颗恒星）
  • HD 32147（28.8 ± 0.3光年；1颗恒星）
  • 牛宿增十（28.8 ± 0.3光年；1颗恒星、2颗行星：HR 7722 b  · HR 7722 c）
M V
（红矮星）
DA
DC
DQ
  • GJ 2012（29.5 ± 0.3光年；1颗恒星）
DZ
  • DENIS 0334-49（27.04 ± 0.83光年；1颗褐矮星）
  • 格利澤3517（28.2 ± 0.4光年；1颗褐矮星）
  • WISE 0607+2429（25.2+4.6
    −3.9    光年；1颗褐矮星）‡
  • 2MASS 0835-08（27.9+2.9
    −2.4    光年；1颗褐矮星）‡
  • WISE 1647+5632（28.1+9.4
    −5.6    光年；1颗褐矮星）‡
  • 2MASS J00361617+1821104（28.4 ± 0.2光年；1颗褐矮星）
  • WISE 1800+0134（28.7 ± 3.3光年；1颗褐矮星）‡
  • 2MASS J04390101-2353083（29.5 ± 1.1光年；1颗褐矮星）‡
  • SDSS J1416+1348（29.7 ± 0.5光年；2颗褐矮星）‡
  • 2MASS J16452211-1319516（29.7 ± 1.7光年；1颗褐矮星）‡
  • 2MASS J03552337+1133437（29.8 ± 0.2光年；1颗褐矮星）‡
左栏标出的是恒星系统中主要恒星的恒星类型。‡若考虑距离误差容限，恒星系统有可能在此范围外。
 粗体字突出的恒星系统为拥有至少一颗绝对星等在+8.5或以上的恒星的系统。斜体字突出的是有可能在此范围之外的恒星系统。
双子座恒星
拜耳命名
佛氏命名
近星
其他
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2MASS 0727+1710
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