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Name
  V1656 Aql  
AAVSO UID
000-BDF-948 (5 observations)  
Constellation
Aquila Sequence
J2000.0
20 09 51.45 +15 57 33.7  (302.46438 +15.95936) Search nearby
B1950.0 20 07 33.81 +15 48 40.4
Proper motion
RA: 3.2 +/- 2.7 mas/yDec: -8.1 +/- 3.2 mas/ySource: UCAC4
Galactic coord. 56.325 -9.308
Other names

(Internal only)
1RXS J200951.8+155743 2MASS J20095145+1557337 ASASSN-V J200951.37+155733.7
GSC 01618-01655 SON 10947  
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Variability type
RS
Spectral type --
Mag. range
12.4 - 12.95 V
Discoverer --
Epoch
14 May 2009 (HJD 2454965.9) Ephemeris
Outburst --
Period 8.6732 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto The existence of eclipses proposed in 2000A&A...361.1005R is doubtful. The light curves published in that paper don't suggest eclipses and the ASAS-3 and NSVS data don't show any sign of them.
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References
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1 The All Sky Automated Survey 2002AcA....52..397P
2 G.A. Richter, J. Greiner, AsAp 361, No. 3, 1005, 2000. 2000A&A...361.1005R
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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.
2MASS J = 10.22H = 9.61K = 9.40J - K = 0.82
AllWISE W1 = 9.32W2 = 9.34W3 = 9.23W4 = 8.80W1 - W2 = -0.02W3 - W4 = 0.43
APASS-DR9 B = 13.83V = 12.61g' = 13.20r' = 12.21i' = 11.66B - V = 1.22
Images
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2012-04-16 09:26 UTC Type, period, epoch and range from ASAS-3 data. UCAC3 position.
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.

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