翻訳と辞書 |
UGC 4904 UGC 4904 is a galaxy located in the constellation Lynx, located about 77 million light-years from Earth. On October 20, 2004, a supernova impostor was observed by Japanese amateur astronomer Koichi Itagaki within the galaxy. This same star may have transitioned from a LBV star to a Wolf–Rayet star〔(【引用サイトリンク】url=http://chandra.harvard.edu/press/07_releases/press_040407.html )〕 shortly before it was observed as blowing up as hypernova SN 2006jc on October 11, 2006.〔(【引用サイトリンク】url=http://www.nasa.gov/centers/goddard/news/topstory/2007/supernova_imposter.html )〕 == References ==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「UGC 4904」の詳細全文を読む
スポンサード リンク
翻訳と辞書 : 翻訳のためのインターネットリソース |
Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.
|
|