PV Telescopii star

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A type of pulsating variable that consists of a helium supergiant, with a Bp spectrum; abbr. PVTEL. About a dozen such stars are currently known. They pulsate with periods of approximately 0.1–1.0 day, but some may vary in brightness by about 0.1 mag. in a period of a year or so.

Subjects: Astronomy and Astrophysics.

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