Variable Star NWLac


NW Lac = VV 409 

GCVS result

ID: 450298
Variable star: NW Lac
RA 2000: 223139.2
DE 2000: +552423
RA 1950:
DE 1950:
Type of variability: EA/KE
Max (mag): 13.7
Min (mag): 14.3
Photometric system: p
Epoch (JD): 33442.545
Period (d): 1.5109772
Year of outburst for N, SN:
M-m (or D): 16 *
Study reference: 05862
Chart or phot. ref.: 05862
Cases of non-existence:

GCVS NOTE result

Min II 13.9. Close binary, the components of which are equal in brightness at minimum light. The range of combined brightness is given in the Table.

GCVS NOTES fulltext search:  

NSV: Suspected Variable NSV  not found.

BRKA result

Variable star: NW Lac
Brightness type: C14
Points: 10
RA 2000: 223139.1
DE 2000: +552421
Max (mag): 13.7
Min (mag): 14.3
Sec (mag):
Photometric system: P
Epoch (JD): 51459.3453
Period (d): 1.5109772
D (hour): 5.8
d (hour): 0
Astrophysical note:
Reference: BB 121,GCVSe2001
Finding chart:

MEKA: Variable star NW Lac 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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