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
  AZ Cyg  
AAVSO UID
000-BCM-966 (949 observations)  
Constellation
Cygnus Sequence
J2000.0
20 57 59.44 +46 28 00.6  (314.49767 +46.46683) Search nearby
B1950.0 20 56 15.90 +46 16 21.0
Proper motion
RA: -0.9 +/- 0.8 mas/yDec: -3.3 +/- 1.4 mas/ySource: UCAC4
Galactic coord. 87.028 +0.517
Other names

(Internal only)
2MASS J20575942+4628004 AAVSO 2054+46 ASASSN-V J205759.54+462759.3
BD+45 3349 DO 39061 GSC 03575-00553
Gaia DR2 2163751614044043136 IRC +50351 PPM 60766
RAFGL 2683 SAO 50296 TIC 329185487
TYC 3575-553-1    
(Not logged in)  Add name
Variability type
SRC
Spectral type M2-M4Iab
Mag. range
7.8 - 9.6 V
Discoverer Thomas Backhouse
Epoch
08 Jul 2007 (HJD 2454290) Ephemeris
Outburst --
Period 471 d
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 Gaia Collaboration; et al., 2018, Gaia Data Release 2. Summary of the
contents and survey properties
2018A&A...616A...1G
2 C.Payne-Gaposchkin, HA 118, N19, 1952. 1952AnHar.118..147P
3 A.M.Briede, Perem. Zvezdy 7, N4, 210, 1950. --
4 Dunér, N. C.; Hartwig, E.; Muller, G., 1912, Benennung von neu entdeckten
veränderlichen Sternen
1912AN....191..341.
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 = 2.77H = 1.74K = 1.29J - K = 1.48
AllWISE W3 = -1.16W4 = -2.63W3 - W4 = 1.47
APASS-DR9 B = 11.00V = 8.38g' = 9.70r' = 7.36i' = 5.71B - V = 2.63
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
Campaigns/Programs
 SNEWS Campaign
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Fernig, Leo 2022-11-15 22:35 UTC Discoverer updated from 1912AN....191..341. page 355.
3 Otero, Sebastian Alberto 2021-02-24 02:25 UTC Period from 2018A&A...616A...1G. Epoch and range from AAVSO data.
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.