Variable Star SW Lac


CROSS IDENTIFICATION: SW Lac

SW Lac = AN 1918.0017 = BD +37 4717 = HD 216598 = HV 03435 = SAO 072820 


GCVS result

ID: 450023
Variable star: SW Lac
RA 2000: 225341.7
DE 2000: +375619
RA 1950:
DE 1950:
Type of variability: EW/KW
Max (mag): 8.51
Min (mag): 9.39
Photometric system: V
Epoch (JD): 45275.3477
Period (d): 0.3207209
Year of outburst for N, SN:
M-m (or D):
Spectrum: G8Vp+G8Vp
Study reference: 00001
Chart or phot. ref.: 00010
Cases of non-existence:


GCVS NOTE result

Min II 9.31. P var. Min I = 2418943.712 + 0.32071236d*E "(JD2410000 - 19990) "0.32071510d*E (JD2419990 - 25210) "2430996.525 + 0.32071665d*E (JD2425210 - 33690) Min I = 2436046.5634 + 0.32072132d*E (JD2433690 - 36755) "[05222] "(JD2436755 - 40000) [03374] "0.32072480d*E (JD2440110 - 40500) [06089] "2441249.3737 + 0.3207197d*E (JD2440500 - 41600) "[00001] "(JD2441600 - 43100) [09295] "0.3207216d*E (JD2443100 - 44400) [09297] 2444856.8064 + 0.3207184d*E (JD2444400 - 44900) "[00001] Shape of the light curve, depths of minima and heights of maxima vary.

GCVS NOTES fulltext search:  


NSV: Suspected Variable NSV  not found.


BRKA result

Variable star: SW Lac
Brightness type: 09
Points: 1
RA 2000: 225341.2
DE 2000: +375618
Max (mag): 8.51
Min (mag): 9.39
Sec (mag): 9.31
Photometric system: V
Epoch (JD): 51056.2900
Period (d): 0.32071532
D (hour): W
d (hour): -
Astrophysical note: P3K2-3
Reference: Contr.Sk.Pl.29,111
Finding chart: BUK

BRKA result

Variable star: SW:Lac
Brightness type: 09
Points: 1
RA 2000: 225341.2
DE 2000: +375618
Max (mag): 8.51
Min (mag): 9.39
Sec (mag): 9.31
Photometric system: V
Epoch (JD): 51056.4504
Period (d): 0.32071532
D (hour): W
d (hour): -
Astrophysical note:
Reference: Vyp
Finding chart: BUK

MEKA: Variable star SW Lac not found.


DSS plate 15'x 15'

Image from the Digitized Sky Survey at the STScI Archive.

 

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
(AFOEV, B.R.N.O., MEDUZA, VSOLJ, VSNET, HPHK, AICU-Ondrejov)
 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.)