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  V1251 Cyg  
000-BCP-130 (16145 observations)  
Cygnus Sequence
21 40 54.38 +48 39 43.1  (325.22658 +48.66197) Search nearby
B1950.0 21 39 04.05 +48 26 02.1
Galactic coord. 93.676 -3.082
Other names

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AAVSO 2137+48 Downes V1251 Cyg SDSS J214054.38+483943.1
USNO-B1.0 1386-0415441    
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Variability type
Spectral type --
Mag. range
12.5 - 20.3 V
Discoverer --
10 Oct 1963 (HJD 2438313.00000) Ephemeris
Outburst --
Period 0.07433 d  (107.04 min)
Rise/eclipse dur. --
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1 Otero, Sebastian Alberto VSP Note: 20.8 mag. companion 3" to the SE and 21.3 mag. galaxy 4" to the E.
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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 R.Weber, IBVS N123, 1966. 1966IBVS..123....1W
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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.
SDSS-DR12 u = 20.53g = 20.47r = 20.26i = 19.94z = 19.36u - g = 0.06r - i = 0.32
Please review Digitized Sky Survey Acknowledgment and Copyright.
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Supporting Documents
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 Legacy CVs
 BAA VSS Recurrent Objects Programme
Revision History
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4 Otero, Sebastian Alberto 2015-07-30 23:22 UTC Maximum magnitude from AAVSO data. Position and minimum magnitude derived from SDSS data.
3 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
2 Admin, VSX 2009-05-13 20:48 UTC Update from [2009arXiv0905.1757K].
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.