NGC 2403是一个位在鹿豹座的中间棒旋星系,距离地球8百万光年 ,有一个H II型的星系核。.[3] NGC 2403是首先再1788年由威廉·赫歇尔发现,属于M81星系团的成员之一,[2]现在可以轻松的用10 × 50 双筒望远镜看到它[2]
超新星
参考文献
Wikiwand in your browser!
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.