Variable Star RV UMa

CROSS IDENTIFICATION: RV UMa

RV UMa = AN 1907.0139 = BD +54 1607 

GCVS result

ID: 830014
Variable star: RV UMa
RA 2000: 133318.1
DE 2000: +535915
RA 1950:
DE 1950:
Type of variability: RRAB
Max (mag): 9.81
Min (mag): 11.30
Photometric system: V
Epoch (JD): 45075.511
Period (d): 0.468060
Year of outburst for N, SN:
M-m (or D): 20
Spectrum: A6-F5
Study reference: 00001
Chart or phot. ref.: 00652
Cases of non-existence:

GCVS NOTE result

P var. Max = 2417861.434 + 0.4680618d*E "(JD2417800 - 25000) "(JD2425000 - 29000) [00188] "Max = 2438459.945 + 0.468062d*E (JD2429000 - 40000) [03506] since JD2440000 - see Table. Blazhko effect, Pi = 92.12d "(JD2436229 - 38114) [09835]. Pi var. [Fe/H] = -1.04 Delta(S) = 3.5.

GCVS NOTES fulltext search:  

NSV: Suspected Variable NSV  not found.

BRKA: Variable star RV UMa not found.

MEKA: Variable star RV UMa 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
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