Variable Star YCyg


Y Cyg = BD +34 4184 = HD 198846 = SAO 070599 

GCVS result

ID: 310008
Variable star: Y Cyg
RA 2000: 205203.6
DE 2000: +343927
RA 1950:
DE 1950:
Type of variability: EA/DM
Max (mag): 7.30
Min (mag): 7.90
Photometric system: V
Epoch (JD): 09453.4192
Period (d): 2.9963328
Year of outburst for N, SN:
M-m (or D): 10 *
Spectrum: B0IV+B0IV
Study reference: 08839
Chart or phot. ref.: 06225
Cases of non-existence:

GCVS NOTE result

"Min II 7.75 There are sinusoidal terms in the elements: "+0.1391d*sin(0.06256deg*E) - 0.0076d*sin(2*(0.06256deg*E)) Min II = 2409454.9174 + 2.9963328d*E - 0.1391d*sin(0.06256deg*E) - 0.0076d*sin(2*(0.06256deg*E)).

GCVS NOTES fulltext search:  

NSV: Suspected Variable NSV  not found.

BRKA result

Variable star: Y Cyg
Brightness type: 08
Points: 7
RA 2000: 205203.5
DE 2000: +343929
Max (mag): 7.30
Min (mag): 7.90
Sec (mag): 7.75
Photometric system: V
Epoch (JD): 49718.268
Period (d): 2.9962543
D (hour): 7.2
d (hour): 0
Astrophysical note:
Reference: GCVSe2001
Finding chart: K

MEKA: Variable star Y Cyg 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
 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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