Variable Star BV Dra


BV Dra = ADS 09537 = BD +62 1393 = HD 135421 = SAO 016636 

GCVS result

ID: 340099
Variable star: BV Dra
RA 2000: 151150.4
DE 2000: +615125
RA 1950:
DE 1950:
Type of variability: EW/KW
Max (mag): 7.88
Min (mag): 8.48
Photometric system: V
Epoch (JD): 44474.327
Period (d): 0.3500671
Year of outburst for N, SN:
M-m (or D):
Spectrum: F7V
Study reference: 00001
Chart or phot. ref.: 09096
Cases of non-existence:

GCVS NOTE result

"ADS 9537 A (B = BW Dra, 16.3"", 358deg, 1980 Min II 8.40.

GCVS NOTES fulltext search:  

NSV: Suspected Variable NSV  not found.

BRKA result

Variable star: BV Dra
Brightness type: C8
Points: 7
RA 2000: 151151.5
DE 2000: +615120
Max (mag): 7.88
Min (mag): 8.48
Sec (mag):
Photometric system: V
Epoch (JD): 44474.327
Period (d): 0.3500671
D (hour): W
d (hour):
Astrophysical note:
Reference: GCVSe2001
Finding chart:

MEKA: Variable star BV Dra not found.

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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