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Latest Details
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Name
  FO Aqr  
AAVSO UID
000-BJN-855 (96512 observations)  
Constellation
Aquarius Sequence
J2000.0
22 17 55.38 -08 21 03.8  (334.48075 -8.35106) Search nearby
B1950.0 22 15 17.30 -08 36 05.9
Proper motion
RA: 4.1 +/- 6.2 mas/yDec: 1.6 +/- 2.9 mas/ySource: UCAC4
Galactic coord. 53.000 -49.158
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
1RXS J221753.9-082115 2MASS J22175538-0821038 AAVSO 2212-08
Downes FO Aqr GSC 05804-00775 X 22153-086
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Variability type
DQ+E
Spectral type pec(e)
Mag. range
12.7 - 15.7 V
Discoverer --
Epoch
13 Aug 2002 (HJD 2452500.126) Ephemeris
Outburst --
Period 0.2020593 d  (4.84942 h)
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Faint state around May, 2016.
2 2009arXiv0910.0954S White dwarf spin period = 1254.45 seconds.
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References
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1 S. Scaringi et al., 2009, arXiv:0910.0954v1 [astro-ph.GA] 2009arXiv0910.0954S
2 Light curve from CRTS/CSS (Drake et al. 2009, ApJ, 696, 870) 2009ApJ...696..870D
3 R.A.Downes, 2001, PASP 113, 764 (2006 archival) 2005JAD....11....2D
4 J.M. Kreiner, 2004, Acta Astronomica 54, 207 2004AcA....54..207K
5 R.A.Downes, 2001, PASP 113, 764 2001PASP..113..764D
6 J.Patterson, J.E.Steiner, ApJ 264,L61,1983. 1983ApJ...264L..61P
External Links
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Images
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Supporting Documents
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Revision History
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6 Otero, Sebastian Alberto 2016-07-07 17:05 UTC Minimum magnitude from AAVSO V data.
5 Otero, Sebastian Alberto 2011-05-24 21:14 UTC Primary record creation. Type from Downes (2001). UCAC3 position.
4 Admin, VSX 2010-01-04 23:43 UTC Update from the GCVS version of November 2009.
3 Admin, VSX 2009-10-29 21:29 UTC Update from [2004AcA....54..207K].
2 Admin, VSX 2009-10-08 22:29 UTC Orbital period from [2009arXiv0910.0954S].
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.