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  V0503 Cyg  
000-BCL-562 (26559 observations)  
Cygnus Sequence
20 27 17.40 +43 41 22.5  (306.82250 +43.68958) Search nearby
B1950.0 20 25 34.76 +43 31 24.8
Galactic coord. 81.501 +3.072
Other names

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Please note that aliases shown in grey link to obsolete records.
2MASS J20271740+4341224 AAVSO 2023+43 ATO J306.8224+43.6893
CMC15 J202717.3+434122 Downes V0503 Cyg IPHAS J202717+434122
IPHAS J202717.37+434122.2 SON 4524  
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Variability type
Spectral type M6
Mag. range
13.4 - 17.6 V
Discoverer --
Outburst --
Period 0.0777 d  (111.9 min)
Rise/eclipse dur. --
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Otero, Sebastian Alberto GCVS outburst cycle is 28 d.
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Click reference title/citation to view in new window. Roll over index number to view submission details.
1 T. Kato et al., 2009, arXiv:0905.1757v1 [astro-ph.SR] 2009arXiv0905.1757K
2 R.A. Downes et al., 2001, PASP 113, 764 (2006 archival version) 2005JAD....11....2D
3 R.A. Downes et al., 2001, PASP 113, 764 2001PASP..113..764D
4 M.Petit, CT 86, 229, 1970. 1970C&T....86..229P
5 V.A.Vorob'ev, Perem. Zvezdy 13, 72, 1960. 1960PZ.....13...72V
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Catalog Data
Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
2MASS J = 16.37
Please review Digitized Sky Survey Acknowledgment and Copyright.
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Supporting Documents
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 Legacy CVs
Revision History
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5 Otero, Sebastian Alberto 2020-05-10 23:13 UTC Gaia DR2 position.
4 Otero, Sebastian Alberto 2011-04-11 14:44 UTC Primary record creation. Orbital period and range from Downes (2001). Spectral type from Ritter and Kolb (2010, 2003A&A...404..301R). 2MASS position.
3 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
2 Admin, VSX 2009-05-13 20:45 UTC Update from [2009arXiv0905.1757K].
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.