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Details for Revision 2
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Name
  V1580 Cyg  
AAVSO UID
000-BDP-411 (2 observations)  
Constellation
Cygnus Sequence
J2000.0
19 44 00.39 +45 26 53.4  (296.00162 +45.44817) Search nearby
B1950.0 19 42 27.64 +45 19 37.1
Galactic coord. 78.912 +10.543
Other names

(Internal only)
2MASS J19440037+4526532 CMC14 J194400.3+452653 GSC2.3 N2K8047888
UCAC3 271-164357    
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Variability type
EA/SD
Spectral type --
Mag. range
14.0 - 15.3 p
Discoverer --
Epoch
29 Aug 1975 (HJD 2442653.61) Ephemeris
Outburst --
Period 1.811443 d
Rise/eclipse dur. 14%  (6.09 h)
Remarks
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1 GCVS Team There is a periodic term in the elements: -0.027d*sin(0.045deg) (JD - 2439000).
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References
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1 Kepler Eclipsing Binary Catalog - Third Revision, 2019 --
2 Bob Nelson's O-C files, 2016 --
3 R.W. Slawson et al., 2011, arXiv:1103.1659v1 [astro-ph.SR] 2011arXiv1103.1659S
4 R.W. Slawson et al., 2011, arXiv:1103.1659v1 [astro-ph.SR] (Light curve) 2011arXiv1103.1659S
5 A. Prsa et al., 2010, arXiv:1006.2815v1 [astro-ph.SR] (Light curve) 2010arXiv1006.2815P
6 D.Hoffleit, IBVS N1252, 1977. 1977IBVS.1252....1H
7 Kepler data (MAST) --
External Links
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Supporting Documents
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2 Partial light curve of three nights of observation Marrero corujo, Angel Luis 2012-07-17 00:39 UTC
1 Partial light curve Marrero corujo, Angel Luis 2012-07-16 23:40 UTC Light curve of one of its minimum in absolute magnitude.
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Revision History
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5 Marrero corujo, Angel Luis 2012-07-16 23:40 UTC Partial light curve of three nights of observation.
4 Admin, VSX 2011-03-13 04:49 UTC Update from [2011arXiv1103.1659S].
3 Admin, VSX 2010-06-19 01:59 UTC Update from [2010arXiv1006.2815P].
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.