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Lambda Caeli, (λ Cae, λ Caeli), also known as HD 1989 is an optical double star in the constellation Caelum. The components are Lambda A and Lambda B Caeli. Lambda A, also known as HD 32831, is an K3III orange K-type giant with an apparent magnitude of +4.55. It is approximately 57 pc from the Sun. Lambda B, also known as, HD 32846 and V *X Caeli has an apparent magnitude of 6.34, and is 102 pc from the Sun. It is an F1III, a yellowish-white F-type giant. It is a Delta Scuti variable star. ==References== * http://simbad.u-strasbg.fr/simbad/sim-id?Ident=HD+32831&NbIdent=1&Radius=2&Radius.unit=arcmin&submit=submit+id * http://simbad.u-strasbg.fr/simbad/sim-id?Ident=HD+32846&NbIdent=1&Radius=2&Radius.unit=arcmin&submit=submit+id 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「Lambda Caeli」の詳細全文を読む スポンサード リンク
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