Variable Star betLyr

CROSS IDENTIFICATION: bet Lyr

bet Lyr = ADS 11745 = BAY Lyr bet = BD +33 3223 = BS 7106 = CRL 5305S = FLM Lyr 010 = HD 174638 = HD 174639 = IRC +30343 = MWC 0306 = SAO 067451 

GCVS result

ID: 529002
Variable star: bet Lyr
RA 2000: 185004.8
DE 2000: +332146
RA 1950:
DE 1950:
Type of variability: EB
Max (mag): 3.25
Min (mag): 4.36
Photometric system: V
Epoch (JD): 08247.950
Period (d): 12.913834
Year of outburst for N, SN:
M-m (or D):
Spectrum: B8II-IIIep
Study reference: 07042
Chart or phot. ref.: 08953
Cases of non-existence:

GCVS NOTE result

"ADS 11745 A (B 8.6m, B7V, 46"", 149deg 248deg). Min II 3.85. P var. Nonlinear terms: +3.883d*10**(-6)*E**2 - 0.10d*10**(-10)*E**3. Light curve shape var. Radio and X-ray source. IR excess.

GCVS NOTES fulltext search:  

NSV: Suspected Variable NSV  not found.

BRKA: Variable star bet Lyr not found.

MEKA: Variable star bet Lyr 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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 GCVS (2011)  43.675 records
 NSV (1997) 14.811 records
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