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Name
  NSVS 8521660  
AAVSO UID
000-BLW-985 (No observations)  
Constellation
Cygnus Sequence
J2000.0
20 39 00.45 +31 46 08.2  (309.75187 +31.76894) Search nearby
B1950.0 20 36 58.56 +31 35 31.1
Proper motion
RA: -4.212 +/- 0.889 mas/yDec: -7.629 +/- 1.431 mas/ySource: Gaia DR1
Galactic coord. 73.271 -5.864
Other names

(Internal only)
1RXS J203858.8+314628 2MASS J20390044+3146081 ASASSN-V J203900.44+314608.1
GSC 02686-00221 UCAC4 609-108992 USNO-B1.0 1217-0514724
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Variability type
EW
Spectral type --
Mag. range
12.17 - 12.44 V
Discoverer Nikolay Mishevskiy, VS-COMPAS Team
Epoch
13 Apr 1999 (HJD 2451281.61) Ephemeris
Outburst --
Period 0.4325018 d  (10.38004 h)
Rise/eclipse dur. --
Remarks
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1 Mishevskiy, Nikolay J-K= 0.376, B-V= 0.57.
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References
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1 Wozniak, P. R.; et al., 2004, Northern Sky Variability Survey: Public Data
Release		 2004AJ....127.2436W
External Links
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Location    Go   
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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 = 11.04H = 10.70K = 10.66J - K = 0.38
AllWISE W1 = 10.59W2 = 10.62W3 = 10.46W1 - W2 = -0.03
APASS-DR9 B = 12.51V = 12.20g' = 12.40r' = 11.96i' = 11.74B - V = 0.31
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 20 39 00.45 +31 46 08.2 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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1 Phase plot P= 0.43 d Mishevskiy, Nikolay 2016-03-16 03:35 UTC
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
1 Mishevskiy, Nikolay 2016-03-16 07:43 UTC Initial submission.

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