Query= AV Cyg 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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310075 |AV    Cyg *|192041.09 +293020.3 |SRD       | 11.0    |  13.7      |            |p |38270.5     |     |    89.22           |40 : |G0e-G6           |08844 00884|           |-0.002 -0.012|2000.0  | |Tyc2     |          |AV    Cyg |
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_______________Cross-identifications:_______________
AV    Cyg     = AN   1910.0035                |     
AV    Cyg     = GSC  2136.02142               |     
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      Reference to a chart or photograph:
00884. C.Payne, HB N883, 1931.

Reference to a study of the star:
08844. E.N.Makarenko, Perem Zvezdy Prilozhenie 3, 233, 1977.

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Remark: P var. Max = 2420451.9 + 87.48d*E (JD2418782 - 24823); Max = 2427936.3 + 89.73d*E (JD2426326 - 28745); Max = 2429440.9 + 87.69d*E (JD2428820 - 31260); Max = 2436413.8 + 89.63d*E (JD2434610 - 37130); since JD2437450 - see Table. 0.27P <= M - m <= 0.50P.

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