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
  USNO-B1.0 1395-0370731  
AAVSO UID
000-BLY-839 (423 observations)  
Constellation
Cygnus Sequence
J2000.0
20 47 46.24 +49 32 02.6  (311.94267 +49.53406) Search nearby
B1950.0 20 46 10.81 +49 20 55.3
Proper motion
RA: -8.7 +/- 5.9 mas/yDec: -0.8 +/- 5.9 mas/ySource: UCAC4
Galactic coord. 88.292 +3.793
Other names

(Internal only)
2MASS J20474625+4932024 ASASSN-V J204746.24+493202.6 UCAC4 698-084559
(Not logged in)  Add name
Variability type
EW
Spectral type K2
Mag. range
16.27 - 16.67 g
Discoverer --
Epoch
08 Aug 2015 (HJD 2457243.45895) Ephemeris
Outburst --
Period 0.3512882 d  (8.43092 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 Kjurkchieva, D.; Popov, V. A.; Vasileva, D.; Petrov, N., Observations and
Light Curve Solutions of the Eclipsing Binaries USNO-B1.0 1395-0370184 and
USNO-B1.0 1395-0370731		 2016SerAJ.tmp....5K
2 M. Clark, 2014, eJAAVSO 279 2014JAVSO.tmp..279C
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 = 13.60H = 13.16K = 13.02J - K = 0.59
AllWISE W1 = 12.80W2 = 12.83W1 - W2 = -0.03
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 20 47 46.24 +49 32 02.6 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
There are currently no supporting documents on file for this star. (Not logged in)  Add document
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
2 Popov, Velimir 2016-08-10 00:43 UTC Period, epoch and range from IRIDA observatory data, position from UCAC4, spectral type from photometric data
1 Admin, VSX 2014-09-04 01:12 UTC Preserved original object data.

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]
172.30.4.241