CC Boötis: QSO, not variable halo giant

Bruce Margon; Eric W. Deutsch

doi:10.1086/133930

CC Boötis: QSO, not variable halo giant

Bruce Margon, Eric W. Deutsch

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2 Citations (Scopus)

Résumé

The poorly studied, faint (18 < m_pg < 19.5) variable star CC Boötis has been noted in the literature as a candidate for a halo red giant. It proves instead to be a quasistellar object of redshift z = 0.172, and is detected as an X-ray source by ROSAT. In addition to its odd heritage, CC Boo exhibits unusually high-amplitude optical variability for an optically selected QSO.

langue originale	Anglais
Pages (de - à)	673-675
Nombre de pages	3
journal	Publications of the Astronomical Society of the Pacific
Volume	109
Numéro de publication	736
Les DOIs	https://doi.org/10.1086/133930
état	Publié - 1 janv. 1997
Modification externe	Oui

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10.1086/133930

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abstract = "The poorly studied, faint (18 < mpg < 19.5) variable star CC Bo{\"o}tis has been noted in the literature as a candidate for a halo red giant. It proves instead to be a quasistellar object of redshift z = 0.172, and is detected as an X-ray source by ROSAT. In addition to its odd heritage, CC Boo exhibits unusually high-amplitude optical variability for an optically selected QSO.",

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