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
  V2521 Cyg  
AAVSO UID
000-BKG-772 (38 observations)  
Constellation
Cygnus Sequence
J2000.0
20 07 07.31 +50 34 01.3  (301.78044 +50.56702) Search nearby
B1950.0 20 05 42.61 +50 25 16.1
Proper motion
RA: -1.5 +/- 2.0 mas/yDec: -1.9 +/- 2.8 mas/ySource: UCAC4
Galactic coord. 85.371 +9.723
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
ASASSN-V J200707.24+503401.6 GSC 03567-01035 T-Cyg1-04652
ZTF J200707.31+503401.4    
(Not logged in)  Add name
Variability type
EB
Spectral type F0
Mag. range
12.627 (0.475) g
Discoverer --
Epoch
08 Apr 2019 (HJD 2458581.9894) Ephemeris
Outburst --
Period 1.078665 d
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 2007PZP.....7....6K MinII = 12.9R1.
(Not logged in)  Add remark
References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Qian, S.-B.; Zhu, L.-Y.; Liu, L.; et al., 2020, Contact binaries at
different evolutionary stages
2020RAA....20..163Q
2 ZTF Catalog of Periodic Variable Stars (online data) 2020arXiv200508662C
3 Chen, X.; et al., 2020, The Zwicky Transient Facility Catalog of Periodic
Variable Stars
2020arXiv200508662C
4 E.V. Kazarovets, N.N. Samus, O.V. Durlevich, N.N. Kireeva, E.N. Pastukhova,
2013, IBVS 6052
2013IBVS.6052....1K
5 J. Devor et al., 2008, AJ 135, 850 (Online data) 2008AJ....135..850D
6 J. Devor et al., 2008, AJ 135, 850 2008AJ....135..850D
7 Khruslov, A.V. 2007, Peremennye Zvezdy Prilozhenie, 7, No. 6 2007PZP.....7....6K
8 A.V. Khruslov, 2007, PZP 7, 6 2007PZP.....7....6K
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 = 11.24H = 11.01K = 10.96J - K = 0.28
AllWISE W1 = 11.11W2 = 11.11W3 = 11.12W1 - W2 = -0.00
APASS-DR9 B = 12.29V = 12.33g' = 12.38r' = 12.09i' = 12.00B - V = -0.03
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 20 07 07.31 +50 34 01.3 (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.
4 Otero, Sebastian Alberto 2023-04-23 15:25 UTC Spectral type from 2020RAA....20..163Q.
3 Otero, Sebastian Alberto 2021-10-26 07:20 UTC Update from 2020arXiv200508662C. Gaia EDR3 position.
2 Admin, VSX 2013-04-16 00:51 UTC Update from [2013IBVS.6052....1K].
1 Admin, VSX 2007-03-23 20:22 UTC Initial upload.