翻訳と辞書 |
HD 9578
HD 9578 is a star located approximately 187 light-years away in the constellation of Sculptor. It is a Sun-like star that in 2009 has been found to host an extrasolar planet. == Planetary system ==
HD 9578 b is an extrasolar planet with at least 0.62 times the mass of Jupiter. It takes 494 days to orbit the star, with an orbital semimajor axis of 1.27 AU. The discovery was announced in a press release in October 2009, but no discovery paper has yet been made available.
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「HD 9578」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.
|
|