Variable Star RW CrB


RW CrB = AN 1915.0003 = BD +30 2688 = HD 139815 = SAO 083931 

GCVS result

ID: 270015
Variable star: RW CrB
RA 2000: 153915.2
DE 2000: +293720
RA 1950:
DE 1950:
Type of variability: EA/SD:
Max (mag): 10.22
Min (mag): 10.78
Photometric system: V
Epoch (JD): 40751.7302
Period (d): 0.7264114
Year of outburst for N, SN:
M-m (or D): 20
Spectrum: F2V
Study reference: 06497
Chart or phot. ref.: 08953
Cases of non-existence:

GCVS NOTE result

d = 0.028P. Min II 10.29.

GCVS NOTES fulltext search:  

NSV: Suspected Variable NSV  not found.

BRKA result

Variable star: RW CrB
Brightness type: C11
Points: 7
RA 2000: 153915.2
DE 2000: +293720
Max (mag): 10.22
Min (mag): 10.78
Sec (mag):
Photometric system: V
Epoch (JD): 40751.7302
Period (d): 0.726411
D (hour): 3
d (hour):
Astrophysical note:
Reference: GCVSe2001
Finding chart:

MEKA: Variable star RW CrB 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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