GCVS Query forms

Query= S PER 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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630002 |S Per *|022251.7+583511 |SRC | 7.9 | 12.0 | |V | | | 822. | |M3Iae-M7 |08630 00002|

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

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

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630002 |S Per |022251.71 +583511.4 |+0.002 -0.003|2000.0 | |Hip

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_______________Cross-identifications:_______________

S Per = BD +57 0552 |

S Per = CRL 0323 |

S Per = GSC 3698.03073 |

S Per = HD 014528 |

S Per = Hip 011093 |

S Per = IRAS 02192+5821 |

S Per = IRC +60088 |

S Per = SAO 023261 |

____________________________________________________ Reference to a chart or photograph:

00002. AAVSO Variable Star Charts, AAVSO, Cambridge, Massachusetts

Reference to a study of the star:

08630. I.D.Howarth, JBAA 86, 210, 1976.

__________________________________________________________________

Remark:

    In the region of the open cluster h, khi Per.

    OH, H2O, SiO maser.

    In 1920 - 1969 there were secondary

    waves with cycles of 300d - 700d and Delta(m) ~1m [08630];

    in 1935 - 1961 P1 = 807d, P2 = 930d [09694].

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