Variable Star R CrB

CROSS IDENTIFICATION: R CrB

R CrB = BD +28 2477 = BS 5880 = CRL 4219 = HD 141527 = SAO 084015 

GCVS result

ID: 270001
Variable star: R CrB
RA 2000: 154834.4
DE 2000: +280924
RA 1950:
DE 1950:
Type of variability: RCB
Max (mag): 5.71
Min (mag): 14.8
Photometric system: V
Epoch (JD):
Period (d):
Year of outburst for N, SN:
M-m (or D):
Spectrum: C0,0(F8pep)
Study reference:
Chart or phot. ref.: 00002
Cases of non-existence:

GCVS NOTE result

IR excess.

GCVS NOTES fulltext search:  

NSV: Suspected Variable NSV  not found.

BRKA: Variable star R CrB not found.

MEKA result

Variable star: R CrB
Type of variability: RCB
Points: 1
Max (mag): 5,8
Min (mag): 13,9
Photometric system: V
Period (d):
Spectrum:
B-V: 0,59
Finding chart: ID: 022, M I

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.
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 GCVS (2011)  43.675 records
 NSV (1997) 14.811 records
 BRKA (2001)  1.432 records
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