AAVSO Home



Welcome, Guest. You are not logged in.
Log in
    Revise    New Search
Latest Details
Log in to retrieve additional aliases from SIMBAD.
Name
  ISON_J215854.1+451950  
AAVSO UID
000-BLZ-612 (No observations)  
Constellation
Cygnus Sequence
J2000.0
21 58 54.06 +45 19 50.3  (329.72525 +45.33064) Search nearby
B1950.0 21 56 54.54 +45 05 27.4
Proper motion
RA: -4.8 +/- 7.6 mas/yDec: -9.2 +/- 6.9 mas/ySource: UCAC4
Galactic coord. 93.925 -7.603
Other names

(Internal only)
2MASS J21585405+4519502 ASASSN-V J215854.06+451950.3 UCAC4 677-112112
USNO-B1.0 1353-0472535    
(Not logged in)  Add name
Variability type
EW
Spectral type --
Mag. range
15.50 - 16.22 CV
Discoverer V. Nevski, K. Polyakov
Epoch
08 Sep 2016 (HJD 2457640.487) Ephemeris
Outburst --
Period 0.335631 d  (8.0551 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
Links open in a new window. Not all links may be valid for this particular target.
Location    Go   
Select a Location for more details.
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 = 14.18H = 13.78K = 13.68J - K = 0.51
AllWISE W1 = 13.84W2 = 13.91W1 - W2 = -0.08
SDSS-DR12 u = 18.14g = 16.46r = 15.77i = 15.50z = 15.33u - g = 1.68r - i = 0.27
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 21 58 54.06 +45 19 50.3 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
Click document name to open or save. Browser plug-in or other software may be required for viewing.
1 Phased plot Nevski, Vitali 2016-09-13 13:58 UTC
(Not logged in)  Add document
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
1 Nevski, Vitali 2016-09-13 23:45 UTC Initial submission.

Guidelines    FAQ    Manual    Forum    Variability Types    Passbands    Copyright    Acknowledgments    Privacy    Contact    Help us   
The International Variable Star Index
© 2005-2025 American Association of Variable Star Observers (AAVSO)
Version 1.1 [C]
172.30.4.27