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Latest Details
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Name
  V2647 Cyg  
AAVSO UID
000-BJX-184 (No observations)  
Constellation
Cygnus Sequence
J2000.0
21 47 03.30 +50 03 17.8  (326.76375 +50.05494) Search nearby
B1950.0 21 45 13.36 +49 49 21.6
Proper motion
RA: 6.118 +/- 2.683 mas/yDec: 2.559 +/- 2.101 mas/ySource: Gaia DR1
Galactic coord. 95.344 -2.675
Other names

(Internal only)
1SWASP J214703.29+500317.8 GSC 03612-01565  
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Variability type
EA
Spectral type --
Mag. range
11.05 - 11.7 V
Discoverer --
Epoch
08 Sep 2007 (HJD 2454352.425) Ephemeris
Outburst --
Period 5.85527 d
Rise/eclipse dur. 3%
Remarks
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1 2006IBVS.5681....1O MinII - MinI = 0.334P.
2 Wils, Patrick Not an eccentric orbit. Min II = 11.5.
3 2006IBVS.5681....1O Min II = 11.6:V. Eccentric system.
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References
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1 E.V. Kazarovets, N.N. Samus, O.V. Durlevich, N.N. Kireeva, E.N. Pastukhova,
2013, IBVS 6052
2013IBVS.6052....1K
2 A.J. Norton et al., 2007, A&A 467, 785 (SuperWASP data) 2007A&A...467..785N
3 Otero, S., Wils, P., Hoogeveen, G., and Dubovsky, P. 2006, IBVS, No. 5681 2006IBVS.5681....1O
4 S.A.Otero, P.Wils, G.Hoogeveen, P.A.Dubovsky, IBVS N5681, 2006. 2006IBVS.5681....1O
5 Bob Nelson's O-C files, 2016 --
External Links
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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 = 10.06H = 9.88K = 9.81J - K = 0.25
AllWISE W1 = 9.77W2 = 9.82W3 = 9.74W4 = 8.81W1 - W2 = -0.05W3 - W4 = 0.93
APASS-DR9 B = 11.58V = 11.03g' = 11.31r' = 10.95i' = 10.84B - V = 0.55
Images
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Supporting Documents
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1 Phase plot Wils, Patrick 2010-10-27 22:22 UTC Light curve based on SuperWASP (5-point averages) and NSVS data.
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Revision History
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3 Admin, VSX 2013-04-15 20:55 UTC Update from [2013IBVS.6052....1K].
2 Wils, Patrick 2010-10-27 22:22 UTC Updated period based on SuperWASP data. The epoch and period also fit the two minima given in OEJV #74: HJD 2453817.64371 (primary minimum) and 2453905.47340 (secondary).
1 Admin, VSX 2007-03-23 15:54 UTC Preserved original object data.