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NGC 3132

NGC 3132
NIRCam英语NIRCam近红外视图
观测数据
历元 J2000.0)
赤经10h 07m 01.7640s[1]
赤纬-40° 26′ 11.060″[1]
距离地球2,000 光年[2]
视星等 (V)9.87[1]
视直径 (V)1′.4 × 0′.9
所属星座船帆座
物理属性
半径 (光年)0.4 ly[2]
绝对星等 (V)-
其他名称八裂星云[1]
南环状星云[2]
参看:行星状星云星云列表

NGC 3132,也称为八裂星云或南环状星云[3],是在船帆座内的一个明亮并且被广泛研究的行星状星云,从可以利用的分光镜数据,目前这个星云仍以每秒24公里的速度在膨胀中。

地球的距离估计大约是550秒差距或是2,000光年

行星状星云核心(PNN)

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在NGC 3132朦胧的影像中显示有两颗紧密靠在一起的恒星,一颗的视星等是10等,另一颗是16等。行星状星云核心的中心可能是一颗比这两颗恒星更暗淡的白矮星。这颗炙热的中心恒星温度大约是100,000K,现在正吹散了外围的气体,并且发射出强烈的紫外线辐射激发出明亮的萤光。

参考资料

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  1. ^ 1.0 1.1 1.2 1.3 SIMBAD Astronomical Database. Results for NGC 3132. [2007-01-03]. (原始内容存档于2019-05-01). 
  2. ^ 2.0 2.1 2.2 Fast Facts - Planetary Nebula NGC 3132. Space Telescope Science Institute. [2007-10-06]. (原始内容存档于2016-03-03). 
  3. ^ APOD: 2013 April 9 - NGC 3132: The Southern Ring Nebula. sprite.phys.ncku.edu.tw. [2022-07-15]. 

外部链接

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NGC 3132
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