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Latest Details
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Name
  V2240 Cyg  
AAVSO UID
000-BDP-934 (78 observations)  
Constellation
Cygnus Sequence
J2000.0
20 15 55.94 +37 27 15.5  (303.98308 +37.45431) Search nearby
B1950.0 20 14 04.71 +37 17 58.8
Proper motion
RA: -12.8 +/- 0.8 mas/yDec: -1.6 +/- 0.8 mas/ySource: UCAC4
Galactic coord. 75.142 +1.300
Other names

(Internal only)
2MASS J20155595+3727154 ASASSN-V J201556.01+372715.7 CzeV4
TIC 11480757 UCAC4 638-091827 WISEA J201555.93+372715.5
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Variability type
EW
Spectral type --
Mag. range
12.03 - 12.29 *
Discoverer --
Epoch
13 Aug 2002 (HJD 2452500.309) Ephemeris
Outburst --
Period 0.404187 d  (9.7005 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 Skarka, M.; Mašek, M.; Brát, L.; et al., 2017, CzeV - The Czech Variable
Star Catalogue
2017OEJV..185....1S
2 CzeV - The Czech Variable Star Catalogue, 2017, online data --
3 Bob Nelson's O-C files, 2016 --
4 J.M. Kreiner, 2004, Acta Astronomica 54, 207 2004AcA....54..207K
5 J. Safar, IBVS N4818, 1999. 1999IBVS.4818....1S
External Links
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Location    Go   
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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 = 11.19H = 10.99K = 10.95J - K = 0.24
AllWISE W1 = 10.78W2 = 10.81W3 = 11.27W1 - W2 = -0.03
APASS-DR9 B = 12.35V = 11.94g' = 12.04r' = 11.82i' = 11.77B - V = 0.40
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 20 15 55.94 +37 27 15.5 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Stellar Association Membership
 ASCC 111 Open Cluster 2012A&A...548A..97Z
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
2 Admin, VSX 2009-03-12 01:47 UTC Update from [2004AcA....54..207K].
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.