翻訳と辞書 Words near each other ・ HQME ・ Hqx ・ HR ・ HR (gene) ・ HR (girl group) ・ HR (software) ・ HR 1614 ・ HR 163 ・ HR 178 ・ HR 2096 ・ HR 244 ・ HR 2554 ・ HR 297 ・ HR 3082 ・ HR 3220 ・ HR 3384 ・ HR 3407 ・ HR 3643 ・ HR 3724 ・ HR 3803 ・ HR 3830 ・ HR 3833 ・ HR 4049 ・ HR 4072 ・ HR 4339 ・ HR 4458 ・ HR 4646 ・ HR 4699 ・ HR 4796 ・ HR 4986 Dictionary Lists mini英和辞書 mini和英辞書 Webster 1913 Latin-English FOLDOC Wikipedia English ウィキペディア

翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク HR 3384 ： ウィキペディア英語版 HR 3384 HR 3384 (11 G. Pyxidis) is solitary star in the southern constellation of Pyxis. It has an apparent magnitude of 6.38,〔 indicating it is faintly visible to the naked eye. Based on the Bortle scale, the star can be viewed from dark rural skies. Astrometric measurements of the star by the Hipparcos spacecraft, give an estimated distance of about from Earth. This star is lower in mass than the Sun at around 75%,〔 and has just 85%〔 of the Sun's radius. The spectrum matches a spectral class G9V,〔 indicating that this is a G-type main sequence star that is generating energy through the nuclear fusion of hydrogen at its core. The star is rotating slowly with a period of around 40 days. Surface magnetic activity has been detected with a periodic cycle of  days.〔 HR 3384 has been examined for evidence of a circumstellar debris disk or planets, but, as of 2012, none have been discovered.〔 ==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「HR 3384」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.