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川普勒16

川普勒16
以近红外线观察船底座星云。川普勒16是图像中最亮的海山二(船底座η)左边,并环绕着它的星团。
观测资料 (J2000 历元)
星座船底座
赤经10h 45m 10s[1]
赤纬-59° 43′ 00″[1]
距离9,270 ly(2,842 pc[1]
视星等 (V)5.0[1]
物理特征
其他特征Cr 234C 1043-594Cl VDBH 105OCl 829.0[KPR2004b] 265, [KPS2012] MWSC 1850[1]
相关条目:疏散星团NGC天体表

川普勒16Tr 16)使一个巨大的疏散星团,也是银河系中一些最量恒星的家。它位于船底-人马臂船底座星云内,距离地球大约9,270 ly(2,842 pc[1]海山二是这个星团内以肉眼就能够看见的恒星。

描述

其中最亮的成员是海山二WR 25,俩著的光度都是太阳的数百万倍,还有3颗光谱类型O3的恒星[2]海山二WR 25两者都是联星,其光度主要来自主星,但它们的伴星本身也比大多数的恒星质量更大也更亮。总计所有的波长, WR 25是两者中较亮的,估计其光度是太阳的6,300,000倍(绝对全波段星等为 -12.25),相较之下海山二的光度只是太阳的5,000,000倍(绝对全波段星等为 -12.0)。但是,海山二看起来比较亮是因为它在可见光的波段上比较亮,并且也因为它嵌入在星云中,因而夸大了它的亮度。WR 25非常热,发射出的能量大部分在紫外线的波长。

船底座OB1

GDR2

图集

参考资料

  1. ^ 1.0 1.1 1.2 1.3 1.4 1.5 [ Trumpler 16] 请检查|url=值 (帮助). SIMBAD. 斯特拉斯堡天文资料中心. 
  2. ^ Wolk, Scott J.; Broos, Patrick S.; Getman, Konstantin V.; Feigelson, Eric D.; Preibisch, Thomas; et al. The Chandra Carina Complex Project View of Trumpler 16. The Astrophysical Journal Supplement. May 2011, 194 (1). 12. Bibcode:2011ApJS..194...12W. arXiv:1103.1126可免费查阅. doi:10.1088/0067-0049/194/1/12. 

进阶读物

外部链接


Template:船底座

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川普勒16
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