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
  RY Cyg  
AAVSO UID
000-BCK-774 (1924 observations)  
Constellation
Cygnus Sequence
J2000.0
20 10 23.42 +35 56 49.4  (302.59758 +35.94706) Search nearby
B1950.0 20 08 30.51 +35 47 52.9
Proper motion
RA: 0.560 +/- 1.059 mas/yDec: 0.450 +/- 0.975 mas/ySource: Gaia DR1
Galactic coord. 73.272 +1.395
Other names

(Internal only)
AAVSO 2006+35 BD+35 4002 HD 191783
IRC +40391    
(Not logged in)  Add name
Variability type
LB
Spectral type C4,8-C6,4(N)
Mag. range
8.5 - 10.3 V
Discoverer Thomas Espin (1886)
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 GCVS Team In the region of the open cluster NGC 6883.
(Not logged in)  Add remark
References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 A.K.Alksnis, Z.K.Alksne, I.A.Daube, Photometric Studies on Red Stars (in
russian), p.7-114, Riga, 1973.		 1973TrRig..15....7A
2 Cannon, A. J., 1907, Second catalogue of variable stars 1907AnHar..55....1C
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 = 4.31H = 3.19K = 2.47J - K = 1.84
AllWISE W3 = 1.77W4 = 1.45W3 - W4 = 0.33
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Image not downloaded. Click Retrieve Image to download and view. Retrieve image
Supporting Documents
There are currently no supporting documents on file for this star. (Not logged in)  Add document
Stellar Association Membership
 NGC 6883 Open Cluster 2012A&A...548A..97Z
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Fernig, Leo 2022-04-22 13:35 UTC Discoverer updated from 1907AnHar..55....1C page 28
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.

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