Variable Star BF Cyg


BF Cyg = AN 1914.0112 = He 3-1747 = MWC 0315 

GCVS result

ID: 310084
Variable star: BF Cyg
RA 2000: 192353.5
DE 2000: +294029
RA 1950:
DE 1950:
Type of variability: ZAND
Max (mag): 9.3
Min (mag): 13.4
Photometric system: p
Epoch (JD):
Period (d):
Year of outburst for N, SN:
M-m (or D):
Spectrum: Bep+M5III
Study reference: 08044
Chart or phot. ref.: 00570
Cases of non-existence:

GCVS NOTE result

P orb = 750d [05655]. Irregular light variations and sometimes observed brightenings by 2m - 3m are superimposed by semiregular oscillations with the cycle 755d [01039, 08044].

GCVS NOTES fulltext search:  

NSV: Suspected Variable NSV  not found.

BRKA: Variable star BF Cyg not found.

MEKA result

Variable star: BF Cyg
Type of variability: ZAND
Points: 2
Max (mag): 11,6
Min (mag): 13,2
Photometric system: V
Period (d):
B-V: 0,30
Finding chart: ID: 071, M II

DSS plate 15'x 15'

Image from the Digitized Sky Survey at the STScI Archive.


Please put the variable's designation into field in common style - for example: ZUMa, zuma, V477Cyg, v1182Cyg, NSV 255, nsv2544. Designation of bright variable stars like Beta Persei type in short style (three letters) - bet Per. The complete cross-identification among more then 30 catalogues will be done after submitting.
Spaces and cases are ingnored..

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 GCVS (2011)  43.675 records
 NSV (1997) 14.811 records
 BRKA (2001)  1.432 records
 MEKA (2001)  147 records
 CzeV, SvkV and RafV catalogues (new variables)
 BCVS (1994)  529.953 records
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