Query= V509 Cas GCVS Query forms
  NNo      GCVS          J2000.0            Type      Max        Min I         Min II       Epoch        Year      Period          M-m/D     Spectrum      References  Other desig. p.m.(as/yr)   Epoch     Ident.     New type    GCVS
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180509 |V0509 Cas *|230005.10 +565643.4 |SRD       |  4.75   |   5.8      |            |V |            |     |   203.3            |     |F8e-KIa-0+B1V    |N0445 HIP  |           |-0.003 -0.003|2000.0  | |Hip      |SRd       |V0509 Cas |
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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                   |     
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      Reference to a chart or photograph:

HIP European Space Agency, 1997, The Hipparcos and Tycho Catalogues, ESA SP-1200 {1997HIP...C......0E}

Reference to a study of the star:

N0445 Percy, J.R., Zsoldos, E., 1992, AsAp, 263, No. 1/2, 123 {1992AA...263..123P}

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Remark: P2 = 299.2d; possibly P3 = 385.4d. Other authors report different periods.

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