Variable Star Z Dra


Z Dra = AN 1903.0004 = BD +73 0533 

GCVS result

ID: 340009
Variable star: Z Dra
RA 2000: 114529.2
DE 2000: +721458
RA 1950:
DE 1950:
Type of variability: EA/SD
Max (mag): 10.8
Min (mag): 14.1
Photometric system: p
Epoch (JD): 43499.736
Period (d): 1.3574560
Year of outburst for N, SN:
M-m (or D): 15 *
Spectrum: F4V
Study reference: 00001
Chart or phot. ref.: 09082
Cases of non-existence:

GCVS NOTE result

Min II 11.0. P var. Min = 2430973.314 + 1.3574176d*E "(JD2428460 - 33300) "(JD2433300 - 43500)

GCVS NOTES fulltext search:  

NSV: Suspected Variable NSV  not found.

BRKA result

Variable star: Z Dra
Brightness type: 12
Points: 2
RA 2000: 114529.3
DE 2000: +721456
Max (mag): 10.8
Min (mag): 14.1
Sec (mag): 11.0
Photometric system: P
Epoch (JD): 51272.408
Period (d): 1.3574357
D (hour): 4.9
d (hour): 0
Astrophysical note:
Reference: Zej,SAC 68
Finding chart: K1X

MEKA: Variable star Z Dra 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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