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Latest Details
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Name
  2MASS J21312352+4519137  
AAVSO UID
000-BLD-900 (No observations)  
Constellation
Cygnus Sequence
J2000.0
21 31 23.52 +45 19 13.8  (322.84800 +45.32050) Search nearby
B1950.0 21 29 30.61 +45 05 58.7
Proper motion
RA: 12.2 +/- 6.1 mas/yDec: -24.3 +/- 5.9 mas/ySource: UCAC4
Galactic coord. 90.223 -4.469
Other names

(Internal only)
ASASSN-V J213123.45+451913.3 UCAC4 677-103321 USNO-B1.0 1353-0444930
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Variability type
EB
Spectral type --
Mag. range
14.19 - 14.78 CR
Discoverer Kike Diez Alonso
Epoch
16 Sep 2013 (HJD 2456551.7294) Ephemeris
Outburst --
Period 0.40982 d  (9.836 h)
Rise/eclipse dur. --
Remarks
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1 Díez Alonso, Kike Min II= 14.45 CR
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References
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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 = 12.79H = 12.37K = 12.21J - K = 0.58
AllWISE W1 = 12.15W2 = 12.21W1 - W2 = -0.06
APASS-DR9 B = 15.77V = 14.83g' = 15.23r' = 14.45i' = 14.13B - V = 0.94
Images
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Supporting Documents
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2 Finding chart Díez Alonso, Kike 2013-10-10 03:01 UTC Finding chart
1 Absolute light curve Díez Alonso, Kike 2013-10-10 03:00 UTC Absolute light curve
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Revision History
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1 Díez Alonso, Kike 2013-10-15 04:33 UTC Initial submission.

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