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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク NGC 7822 ： ウィキペディア英語版 NGC 7822 NGC 7822 is a young star forming complex in the constellation of Cepheus. The complex encompasses the emission region designated Sharpless 171, and the young cluster of stars named Berkeley 59. The complex is believed to be some 800-1000 pc distant,〔Majaess D., Turner D., Lane D., Moncrieff K. (2008). (''The Exciting Star of the Berkeley 59/Cepheus OB4 Complex and Other Chance Variable Star Discoveries'' ), JAAVSO, vol. 36, no. 1, p. 90〕〔Pandey et al.(2008).(''Stellar contents and star formation in the young star cluster Be 59'' ), MNRAS, Volume 383, Issue 3, pp. 1241-1258〕 with the younger components aged no more than a few million years.〔〔 The complex also includes one of the hottest stars discovered within 1 kpc of the Sun, namely BD+66 1673, which is an eclipsing binary system consisting of an O5V that exhibits a surface temperature of nearly 45000 K and a luminosity ~100000 times that of the Sun.〔 The star is one of the primary sources illuminating the nebula and shaping the complex's famed pillars of creation-type formations, the ''elephant trunks''.〔〔Gahm G. F., Carlqvist P., Johansson L. E. B., Nikolić S. (2008). (''Rotating elephant trunks'' ), Astronomy and Astrophysics, Volume 454, Issue 1, July IV 2006, pp.201-212〕〔Fernandez, Antonio (2008). (''Sharpless 171'' ), APOD, October 18, 2008〕 ==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「NGC 7822」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.