Variable Star SU UMa


SU UMa = AN 1908.0005 = PG 0808+628 

GCVS result

ID: 830021
Variable star: SU UMa
RA 2000: 081228.3
DE 2000: +623622
RA 1950:
DE 1950:
Type of variability: UGSU
Max (mag): 10.8
Min (mag): 14.96
Photometric system: V
Epoch (JD):
Period (d): ( 19. )
Year of outburst for N, SN:
M-m (or D):
Spectrum: pec(UG)
Study reference: 09782
Chart or phot. ref.: 00002
Cases of non-existence:

GCVS NOTE result

The cycle of normal maxima 5d - 35d [09782, 03791]. Three different mean values of the mean cycle of supermaxima change each other being active at different "time intervals: P1 = 161.5d (P = 201.7d) [09276]. Porb = 2.06d/N (N = 26, 27, 28) or 3.1h. Surrounded by a faint halo (28' diameter) of soft X-ray sources.

GCVS NOTES fulltext search:  

NSV: Suspected Variable NSV  not found.

BRKA: Variable star SU UMa not found.

MEKA: Variable star SU UMa 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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