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Name
  V2473 Cyg  
AAVSO UID
--  
Constellation
Cygnus Sequence
J2000.0
20 09 45.84 +48 52 06.7  (302.44100 +48.86854) Search nearby
B1950.0 20 08 16.63 +48 43 12.7
Proper motion
RA: 3.0 +/- 3.4 mas/yDec: -16.6 +/- 3.5 mas/ySource: UCAC4
Galactic coord. 84.134 +8.467
Other names

(Internal only)
1SWASP J200945.67+485207.3 ASASSN-V J200945.72+485206.4 CSV 5059
GSC 03567-01250 NPM2 +48.0727 NSV 12860
Prag 5315 SVS 732  
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Variability type
EA
Spectral type --
Mag. range
13.05 - 13.9: R1
Discoverer --
Epoch
11 Dec 1999 (HJD 2451523.654) Ephemeris
Outburst --
Period 1.2010327 d
Rise/eclipse dur. 10%:  (2.882 h)
Remarks
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1 Admin, VSX VB AB (12.7mV, 14.3mr, 4", 267deg, 2000; C 14.4mV, 18", 188deg, 2000).
2 2006IBVS.5674....1O Min II = 13.7R1.
3 GCVS Team Beljawskaya.
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References
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1 M.E. Lohr et al., 2015, A&A, 578A, 136 2015A&A...578A.136L
2 E.V. Kazarovets, N.N. Samus, O.V. Durlevich, N.N. Kireeva, E.N. Pastukhova,
2008, IBVS 5863
2008IBVS.5863....1K
3 S.A.Otero, G.J.Hoogeveen, P.Wils, IBVS N5674, 2006. 2006IBVS.5674....1O
4 Hanson R.B., Klemola A.R., Jones B.F., Monet D.G., 2004, AJ 128, 1430 2004AJ....128.1430H
5 S.I.Belyavskii, Perem Zvezdy 5, 36-37, 1936; Pulk Tsirk 19, 1936. --
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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 = 12.23H = 11.81K = 11.68J - K = 0.56
AllWISE W1 = 11.16W2 = 11.19W3 = 11.48W1 - W2 = -0.03
APASS-DR9 B = 14.10V = 13.35g' = 13.66r' = 13.11i' = 12.95B - V = 0.76
Images
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Supporting Documents
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Revision History
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6 Bernhard, Klaus 2015-10-07 23:37 UTC Update from [2015A&A...578A.136L].
5 Admin, VSX 2010-01-05 04:43 UTC Update from the GCVS version of November 2009.
4 Admin, VSX 2008-12-03 03:36 UTC Primary name changed to GCVS designation [2008IBVS.5863....1K]
3 Admin, VSX 2007-03-23 20:07 UTC Position from the Lick NPM2 catalog [2004AJ....128.1430H].
2 Admin, VSX 2007-03-23 19:55 UTC Update from [2006IBVS.5674....1O].
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.