翻訳と辞書 |
21 Canum Venaticorum : ウィキペディア英語版 | 21 Canum Venaticorum
21 Canum Venaticorum is a star in the constellation Canes Venatici. 21 Canum Venaticorum is a white A-type main sequence dwarf with a mean apparent magnitude of +5.14. It is approximately 275 light years from Earth. It is classified as an Alpha2 Canum Venaticorum type variable star and its brightness varies by 0.04 magnitudes. This star has 2.55 times the mass of the Sun and 2.8 times the Sun's radius. It is radiating 63 times the luminosity of the Sun from its outer atmosphere at an effective temperature of 9,772 K.〔 ==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「21 Canum Venaticorum」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.
|
|