Variable Star ERVul


ER Vul = BD +27 3952 = HD 200391 = SAO 089396 

GCVS result

ID: 880161
Variable star: ER Vul
RA 2000: 210225.9
DE 2000: +274826
RA 1950:
DE 1950:
Type of variability: EW/DW/RS
Max (mag): 7.27
Min (mag): 7.49
Photometric system: V
Epoch (JD): 40182.2621
Period (d): 0.69809409
Year of outburst for N, SN:
M-m (or D):
Spectrum: G0V+G5V
Study reference: 10188
Chart or phot. ref.: BD
Cases of non-existence:

GCVS NOTE result

P var. Min I = 2440182.2593 + 0.69809510d*E "(JD2433100 - 40200) [08592] 7.35m <= Min II <= 7.44m. The shape of the light curve and depths of minima vary.

GCVS NOTES fulltext search:  

NSV: Suspected Variable NSV  not found.

BRKA: Variable star ER Vul not found.

MEKA: Variable star ER Vul not found.

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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