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
  IS Cyg  
AAVSO UID
000-BDN-354 (1 observation)  
Constellation
Cygnus Sequence
J2000.0
19 47 34.78 +40 44 10.1  (296.89490 +40.73615) Search nearby
B1950.0 19 45 52.27 +40 36 41.1
Proper motion
RA: 19.7 +/- 5.7 mas/yDec: -19.8 +/- 5.3 mas/ySource: UCAC4
Galactic coord. 75.048 +7.702
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AN 318.1929 ASAS J194735+4044.2 ASASSN-V J194734.77+404410.1
HAT 199-08430 KID 5553183 VV 148
ZTF J194734.77+404410.1    
(Not logged in)  Add name
Variability type
M
Spectral type --
Mag. range
15.876 (6.122) g
Discoverer --
Epoch
19 Nov 1949 (HJD 2433240) Ephemeris
Outburst --
Period 303 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 ZTF Catalog of Periodic Variable Stars (online data) 2020arXiv200508662C
2 Chen, X.; et al., 2020, The Zwicky Transient Facility Catalog of Periodic
Variable Stars
2020arXiv200508662C
3 A. Pigulski, G. Pojmanski, B. Pilecki, D. Szczygiel, 2008,
arXiv:0808.2558v2 [astro-ph]
2008arXiv0808.2558P
4 A. Pigulski, G. Pojmanski, B. Pilecki, D. Szczygiel, 2008,
arXiv:0808.2558v2 (online data)
2008arXiv0808.2558P
5 J.D.Hartman, G.Bakos, K.Z.Stanek, R.W.Noyes, AJ, 128, 1761, 2004. 2004AJ....128.1761H
6 W.J.Miller, Ric Astr 7, N1, 1965. 1965RA......7....1M
7 Planet Hunters --
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 = 9.23H = 8.36K = 7.96J - K = 1.26
AllWISE W1 = 7.05W2 = 6.81W3 = 6.16W4 = 5.80W1 - W2 = 0.24W3 - W4 = 0.36
APASS-DR9 B = 14.85V = 12.98g' = 13.88r' = 12.20i' = 10.80B - V = 1.88
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 19 47 34.78 +40 44 10.1 (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.
3 Otero, Sebastian Alberto 2021-10-25 22:16 UTC Update from 2020arXiv200508662C. Gaia EDR3 position.
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.