Variable Star TZ Lyr


TZ Lyr = ADS 11219 = AN 1914.0026 = BD +41 3021 

GCVS result

ID: 520033
Variable star: TZ Lyr
RA 2000: 181549.7
DE 2000: +410638
RA 1950:
DE 1950:
Type of variability: EB/D
Max (mag): 10.87
Min (mag): 11.85
Photometric system: V
Epoch (JD): 44784.4093
Period (d): 0.5288269
Year of outburst for N, SN:
M-m (or D):
Spectrum: F5V
Study reference: 00001
Chart or phot. ref.: 00529
Cases of non-existence:

GCVS NOTE result

"VB A (B 12.29m, 2.54"", 2.5deg). Min II 11.05. P var." "Min I = 2420669.480 + 0.5288234d*E (JD2420000 - 38000) since JD2438000 - see Table.

GCVS NOTES fulltext search:  

NSV: Suspected Variable NSV  not found.

BRKA result

Variable star: TZ Lyr
Brightness type: 11
Points: 3
RA 2000: 181549.5
DE 2000: +410642
Max (mag): 10.87
Min (mag): 11.85
Sec (mag): 11.05
Photometric system: V
Epoch (JD): 51316.4827
Period (d): 0.5288269
D (hour): B
d (hour): -
Astrophysical note:
Reference: IBVS 5017,GCVSe2001
Finding chart: K1

MEKA: Variable star TZ Lyr 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..

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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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