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Latest Details
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Name
  PQ And  
AAVSO UID
000-BBF-002 (7074 observations)  
Constellation
Andromeda Sequence
J2000.0
02 29 29.54 +40 02 40.2  (37.37308 +40.04450) Search nearby
B1950.0 02 26 22.17 +39 49 19.6
Galactic coord. 142.569 -19.059
Other names

(Internal only)
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AAVSO 0223+39 Downes PQ And USNO-B1.0 1300-0042971
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Variability type
UGWZ+ZZ
Spectral type pec(UG)
Mag. range
10.1 - 19 V
Discoverer D. McAdam
Epoch
21 Mar 1988 (HJD 2447242)
Outburst 1988
Period --
Rise/eclipse dur. --
Remarks
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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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References
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1 Light curve from CRTS/CSS (Drake et al. 2009, ApJ, 696, 870) 2009ApJ...696..870D
2 Patterson J. et al., 2005, Publ. Astron. Soc. Pac., 117, 922 2005PASP..117..922P
3 R.A.Downes, 2001, PASP 113, 764 (2006 archival) 2005JAD....11....2D
4 R.A.Downes, 2001, PASP 113, 764 2001PASP..113..764D
5 Richter G. A., 1990, IBVS 3546, "Nova" PQ And - Further Outbursts 1990IBVS.3546....1R
6 D.McAdam, The Astronomer 24,No.288,238,1988. --
7 AAVSO Circ No.209,1988. --
External Links
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Images
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Size 5' x 5' (297 x 298 pixels)
Center 02 29 29.54 +40 02 40.2 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Campaigns/Programs
 Legacy CVs
 BAA VSS Recurrent Objects Programme
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
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.