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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310109 |CH Cyg *|192433.07 +501429.1 |ZAND+SR | 5.60 | 8.49 | |V | | | | |M7IIIab+Be |08849 00002| |-0.007 -0.020|2000.0 | |Hip | |CH Cyg |
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_______________Cross-identifications:_______________
CH Cyg = AN 1924.0024 |
CH Cyg = BD +49 2999 |
CH Cyg = CRL 2383 |
CH Cyg = GSC 03551.02505 |
CH Cyg = HD 182917 |
CH Cyg = Hip 095413 |
CH Cyg = IRAS 19232+5008 |
CH Cyg = IRC +50294 |
CH Cyg = SAO 031632 |
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Reference to a chart or photograph:
00002. AAVSO Variable Star Charts, AAVSO, Cambridge, Massachusetts
Reference to a study of the star:
08849. L.Luud, M.Ruusalepp, J.Vennik, Tartu Publ 45, 113, 1977.
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Remark:
Semiregular light variations with the mean cycle 97d;
mean brightness varies with the cycle ~4700d [01169].
There are also a cycle 725d [08849], rapid oscillations
(A <= 0.25m U) and flares [05350]. It is not excluded
that the system is an eclipsing one [06499].
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