Query= V509 CAS GCVS Query forms

NNo GCVS J2000.0 Type Max Min I Min II Epoch(JD24..) Year Period M-m/D Spectrum References Other design.

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180509 |V0509 Cas *|230005.1+565643 |SRD | 4.75 | 5.5 | |V | | | | |F8e-KIa-0+B1V |08863 BD |

------------------------------------------------------------------------------------------------------------------------------------------------------------------ ______________The positional information: ___________________________

NNo GCVS J2000.0 p.m.(as/yr) Epoch Ident.

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180509 |V0509 Cas |230005.10 +565643.4 |-0.003 -0.003|2000.0 | |Hip

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_______________Cross-identifications:_______________

V0509 Cas = BD +56 2923 |

V0509 Cas = BS 08752 |

V0509 Cas = CRL 3006 |

V0509 Cas = GSC 3993.02269 |

V0509 Cas = HD 217476 |

V0509 Cas = Hip 113561 |

V0509 Cas = IRAS 22579+5640 |

V0509 Cas = IRC +60379 |

V0509 Cas = SAO 035039 |

____________________________________________________ Reference to a chart or photograph:

BD Bonner Durchmusterung, F.W.A. Argelander, Bonner Sternverzeichniss, 1 bis 4 sektion, Astronomische Beobachtungen auf der Sternwarte de Kgl. Rhein/ Friedrich-Wilhelms-Unviersiaet zu Bonn (CDS Cat. I/122).

Reference to a study of the star:

08863. D.L.Lambert, K.H.Hinkle, D.N.B. Hall, ApJ 248, 638, 1981.

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Remark:

    Pulsation of photosphere with P = 3 years.

    Tenuous shell ejected in 1975 is now falling back to

    the star.

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