Variable Star TWLac


TW Lac = AN 1925.0123 = SVS 0068 

GCVS result

ID: 450030
Variable star: TW Lac
RA 2000: 223026.3
DE 2000: +543706
RA 1950:
DE 1950:
Type of variability: EA/SD
Max (mag): 11.5
Min (mag): 13.3
Photometric system: V
Epoch (JD): 41500.534
Period (d): 3.037417
Year of outburst for N, SN:
M-m (or D): 15
Spectrum: A2
Study reference: 09084
Chart or phot. ref.: 02217
Cases of non-existence:

GCVS NOTE result

d = 0.018P. P var. Min I = 2424387.332 + 3.0374936d*E "(JD2424380 - 34000) [02389] "3.037520d*E (JD2434000 - 36560) [03115] since JD2441500 - see Table.

GCVS NOTES fulltext search:  

NSV: Suspected Variable NSV  not found.

BRKA result

Variable star: TW Lac
Brightness type: 12
Points: 7
RA 2000: 223024.6
DE 2000: +543755
Max (mag): 11.5
Min (mag): 13.3
Sec (mag):
Photometric system: V
Epoch (JD): 51308.4990
Period (d): 3.037530
D (hour): 10.9
d (hour): 1.3
Astrophysical note:
Reference: IBVS 4912,SAC 68
Finding chart: 4V

MEKA: Variable star TW 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..

Search for variable star:
Search in: All catalogues / databases
 Search for data on the NET
 Open European Journal on Variable stars

 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
 Show DSS plate 15'x 15' (use coords: )
(Selected catalogue has to be checked above.)