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HD 192685
HD 192685, also known as QR Vul or HR 7739, is a star 1,199 ly away in the Vulpecula constellation. It is visible to the naked eye. It is a Be star and is slightly variable.〔K. Pavlovski et al. (UBV photometry of Be stars at Hvar: 1972-1990 )〕 From October to December 1982 the Hydrogen alpha absorption line increased in emission strength by 30%. The line is partially filled by redshifted emission. HD 192685 has excess infrared emissions (12-100 μm) which are interpreted to be free-free radiation in the gas surrounding the star. ==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「HD 192685」の詳細全文を読む
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