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  PQ And  
000-BBF-002 (10300 observations)  
Andromeda Sequence
02 29 29.55 +40 02 40.0  (37.37313 +40.04444) Search nearby
B1950.0 02 26 22.18 +39 49 19.4
Galactic coord. 142.569 -19.059
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 0223+39 CSS_J022929.6+400240 Downes PQ And
GSC2.3 NCLE006557 USNO-B1.0 1300-0042971  
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Variability type
Spectral type pec(UG)
Mag. range
10.0 - 19.2 V
Discoverer D. McAdam
Outburst 1988
Period 0.0560 d  (80.6 min)
Rise/eclipse dur. --
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1 Wils, Patrick Non-radial white dwarf pulsation with periods of 1263 and 634 seconds. Orbital period 80.6 minutes.
2 Wils, Patrick Further outbursts in 1938 and 1967 found on archival plates.
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Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Pavlenko, E. P.; et al., 2014, Dwarf nova EZ Lyncis second visit to
instability strip
2 Light curve from CRTS/CSS (Drake et al. 2009, ApJ, 696, 870) 2009ApJ...696..870D
3 Patterson, J.; et al., 2005, The Dwarf Nova PQ Andromedae 2005PASP..117..922P
4 Patterson J. et al., 2005, Publ. Astron. Soc. Pac., 117, 922 2005PASP..117..922P
5 R.A.Downes, 2001, PASP 113, 764 (2006 archival) 2005JAD....11....2D
6 R.A. Downes et al., 2001, PASP 113, 764 2001PASP..113..764D
7 Richter G. A., 1990, IBVS 3546, "Nova" PQ And - Further Outbursts 1990IBVS.3546....1R
8 D.McAdam, The Astronomer 24,No.288,238,1988. --
9 AAVSO Circ No.209,1988. --
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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.
AllWISE W1 = 16.75W2 = 16.22W1 - W2 = 0.54
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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6 Otero, Sebastian Alberto 2015-09-30 16:38 UTC Type from 2014PASJ...66..113P. Range and orbital period from 2005PASP..117..922P. PPMXL position.
5 Admin, VSX 2010-01-04 23:43 UTC Update from the GCVS version of November 2009.
4 Wils, Patrick 2007-08-27 11:16 UTC Added ZZ Ceti type.
3 Wils, Patrick 2007-08-26 20:56 UTC WZ Sge type.
Position from USNO-B1.0.
2 Admin, VSX 2007-03-23 15:52 UTC Discoverer added.
1 Admin, VSX 2005-12-17 20:33 UTC Initial database population.