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Details for Revision 2
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  UW Per  
Perseus Sequence
02 12 29.50 +57 05 19.0  (33.12292 +57.08861) Search nearby
B1950.0 02 09 00.27 +56 51 15.5
Galactic coord. 133.806 -4.062
Other names

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2MASS J02122976+5705193 AAVSO 0205+56 AN 21.1912
Downes UW Per GSC2.3 NAKC034363 USNO-B1.0 1470-0081061
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Variability type
Spectral type --
Mag. range
13.5 - 18.8: p
Discoverer C. R. d'Esterre
Outburst --
Period --
Rise/eclipse dur. --
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1 Otero, Sebastian Alberto Identification is uncertain. Duerbeck's candidate is identified as the variable but the original 1912 outburst position is 5.5" W and 3.5" S. The 13.5 outburst maximum was revised to 15 p. using a more recent sequence from The Astronomer (1997JBAA..107...65M). The star measured at V= 17.5 in 2000ApJS..128..387L looks like a reddened early type star. The candidate has a close 19th mag. companion (2MASS J02122929+5705201) 4" to the WNW and a 18.5 mag. redder companion (2MASS J02122864+5705177) 9" to the W.
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1 R.A. Downes et al., 2001, PASP 113, 764 (2006 archival version) 2005JAD....11....2D
2 R.A. Downes et al., 2001, PASP 113, 764 2001PASP..113..764D
3 Liu, W.; Hu, J. Y., 2000, Spectroscopic Confirmation of Northern and
Equatorial Cataclysmic Variables. III. 32 Poorly Known Objects
4 Mobberley, M. P.; Barber, P. M.; Hurst, G. M., 1997, C. R. d'Esterre and
the mysteries of UV and UW Per
5 J. Greaves, Catalog of galactic novae --
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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 2013-02-18 22:42 UTC Maximum magnitude from 1997JBAA..107...65M. Minimum magnitude from 2000ApJS..128..387L. 2MASS position.
3 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
2 Admin, VSX 2007-03-23 15:52 UTC Discoverer added.
1 Admin, VSX 2005-12-17 20:33 UTC Initial database population.