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Latest Details
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Name
  V0839 Cep  
AAVSO UID
--  
Constellation
Cepheus Sequence
J2000.0
21 03 31.72 +59 25 50.4  (315.88217 +59.43067) Search nearby
B1950.0 21 02 16.62 +59 13 52.7
Proper motion
RA: 4.726 +/- 0.858 mas/yDec: 2.547 +/- 0.974 mas/ySource: Gaia DR1
Galactic coord. 97.399 +8.392
Other names

(Internal only)
2MASS J21033171+5925505 ASASSN-V J210331.79+592551.2 BD+58 2217
Cl Trumpler 37 1378 GSC 03964-00741 IDS 2101.0+5901
TIC 375422201 TYC 3964-741-1 WISEA J210331.71+592550.4
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Variability type
EA
Spectral type B8
Mag. range
9.93 - 10.24 R1
Discoverer --
Epoch
27 Sep 1999 (HJD 2451448.645) Ephemeris
Outburst --
Period 9.9634 d
Rise/eclipse dur. 8%  (19 h)
Remarks
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1 2017ARep...61...80S Min II= 10.19 R1.
2 2006IBVS.5681....1O VB AB (9.9m, 11.7m, 0.2", 212deg, 2008). MinII - MinI = 0.511P.
3 2006IBVS.5681....1O Min II = 10.19R1. Eccentric system.
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References
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1 Samus, N. N.; Kazarovets, E. V.; Durlevich, O. V.; et al., 2017, General
Catalogue of Variable Stars: Version GCVS 5.1 (November 2019)
2017ARep...61...80S
2 E.V. Kazarovets, N.N. Samus, O.V. Durlevich, N.N. Kireeva, E.N. Pastukhova,
2013, IBVS 6052
2013IBVS.6052....1K
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
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 = 8.73H = 8.68K = 8.61J - K = 0.12
AllWISE W1 = 8.59W2 = 8.61W3 = 8.65W4 = 8.57W1 - W2 = -0.03W3 - W4 = 0.08
Images
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2020-05-24 19:10 UTC Secondary eclipse magnitude from the GCVS (November 2019 version).
2 Admin, VSX 2013-04-16 00:46 UTC Update from [2013IBVS.6052....1K].
1 Admin, VSX 2007-03-23 19:54 UTC Initial upload.