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Latest Details
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Name
  ISON_J215712.7+453628  
AAVSO UID
000-BLZ-610 (No observations)  
Constellation
Cygnus Sequence
J2000.0
21 57 12.68 +45 36 28.2  (329.30283 +45.60783) Search nearby
B1950.0 21 55 13.94 +45 22 08.7
Proper motion
RA: -8.4 +/- 7.7 mas/yDec: -2.5 +/- 6.9 mas/ySource: UCAC4
Galactic coord. 93.862 -7.202
Other names

(Internal only)
2MASS J21571268+4536281 ASASSN-V J215712.68+453628.2 UCAC4 679-114383
USNO-B1.0 1356-0474490    
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Variability type
EW
Spectral type --
Mag. range
15.39 - 15.67 CV
Discoverer V. Nevski, K. Polyakov
Epoch
08 Sep 2016 (HJD 2457640.472) Ephemeris
Outburst --
Period 0.324960 d  (7.7990 h)
Rise/eclipse dur. --
Remarks
There are currently no remarks on file for this star. (Not logged in)  Add remark
References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Molotov, I.; et al., 2008, International scientific optical network for
space debris research		 2008AdSpR..41.1022M
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 = 14.12H = 13.79K = 13.69J - K = 0.43
AllWISE W1 = 13.62W2 = 13.73W1 - W2 = -0.11
SDSS-DR12 u = 17.23g = 15.88r = 15.27i = 15.05z = 14.94u - g = 1.35r - i = 0.22
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 21 57 12.68 +45 36 28.2 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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1 Phased plot Nevski, Vitali 2016-09-13 13:09 UTC
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
1 Nevski, Vitali 2016-09-13 23:43 UTC Initial submission.

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