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Details for Revision 5
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Name
  V2294 Cyg  
AAVSO UID
000-BDP-984 (4 observations)  
Constellation
Cygnus Sequence
J2000.0
19 40 29.33 +50 25 52.2  (295.12221 +50.43117) Search nearby
B1950.0 19 39 08.76 +50 18 49.4
Galactic coord. 83.156 +13.361
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J19402932+5025522 ASAS J194029+5026.0 GSC 03564-03059
KIC 12019674 KID 12019674 ROTSE1 J194028.86+502554.7
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Variability type
EW
Spectral type --
Mag. range
13.23 - 13.58 *
Discoverer --
Epoch
02 May 2009 (HJD 2454953.7986) Ephemeris
Outburst --
Period 0.354492 d  (8.5078 h)
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Light time effect with P ~8 yrs (2014IBVS.6119....1L).
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References
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1 Qian, S.-B.; Zhu, L.-Y.; Liu, L.; et al., 2020, Contact binaries at
different evolutionary stages		 2020RAA....20..163Q
2 Gaia Collaboration; et al., 2018, Gaia Data Release 2. Summary of the
contents and survey properties		 2018A&A...616A...1G
3 Bob Nelson's O-C files, 2016 --
4 Liska, J., 2014, IBVS #6119 2014IBVS.6119....1L
5 R.W. Slawson et al., 2011, arXiv:1103.1659v1 [astro-ph.SR] 2011arXiv1103.1659S
6 R.W. Slawson et al., 2011, arXiv:1103.1659v1 [astro-ph.SR] (Light curve) 2011arXiv1103.1659S
7 R.W. Slawson et al., 2011, arXiv:1103.1659v1 [astro-ph.SR] 2011arXiv1103.1659S
8 A. Prsa et al., 2010, arXiv:1006.2815v1 [astro-ph.SR] (Light curve) 2010arXiv1006.2815P
9 A. Pigulski, G. Pojmanski, B. Pilecki, D. Szczygiel, 2008,
arXiv:0808.2558v2 [astro-ph]		 2008arXiv0808.2558P
10 A. Pigulski, G. Pojmanski, B. Pilecki, D. Szczygiel, 2008,
arXiv:0808.2558v2 (online data)		 2008arXiv0808.2558P
11 J.M. Kreiner, 2004, Acta Astronomica 54, 207 2004AcA....54..207K
12 E. Bl*attler, R. Diethelm, IBVS N4995, 2000. 2000IBVS.4995....1B
13 C.Akerlof et al., AJ 119, 1901, 2000. 2000AJ....119.1901A
14 Kepler data (MAST) --
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Supporting Documents
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
8 Otero, Sebastian Alberto 2023-04-23 15:50 UTC Spectral type from 2020RAA....20..163Q.
7 Otero, Sebastian Alberto 2020-05-15 00:46 UTC Gaia DR2 position.
6 Otero, Sebastian Alberto 2017-09-14 01:06 UTC Elements from 2014IBVS.6119....1L. Range from ASAS and APASS data. UCAC4 position.
5 Admin, VSX 2011-03-13 05:02 UTC Update from [2011arXiv1103.1659S].
4 Admin, VSX 2010-06-19 02:03 UTC Update from [2010arXiv1006.2815P].
3 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
2 Admin, VSX 2009-03-12 01:48 UTC Update from [2004AcA....54..207K].
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.

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