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Latest Details
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Name
  EL CVn  
AAVSO UID
000-BKX-438 (4 observations)  
Constellation
Canes Venatici Sequence
J2000.0
13 23 57.02 +43 35 55.4  (200.98758 +43.59872) Search nearby
B1950.0 13 21 45.81 +43 51 33.8
Proper motion
RA: 19.532 +/- 0.058 mas/yDec: -18.765 +/- 0.070 mas/ySource: Gaia DR1
Galactic coord. 103.287 +72.268
Other names

(Internal only)
1SWASP J132357.01+433555.4 BD+44 2271 HD 116608
HIP 65380 NSV 19773 SAO 44595
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Variability type
EA/EL
Spectral type A3V
Mag. range
9.42 - 9.59 V
Discoverer --
Epoch
10 May 2007 (HJD 2454230.556) Ephemeris
Outburst --
Period 0.795629 d  (19.0951 h)
Rise/eclipse dur. 10%
Remarks
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1 2013arXiv1310.4863M Pre-He-WD.
2 2004IBVS.5557....1O Min II = 9.5V.
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References
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1 P.F.L. Maxted, S. Bloemen, U. Heber et al., 2013, arXiv:1310.4863
[astro-ph.SR]
2013arXiv1310.4863M
2 O.W. Butters et al., 2010, A&A 520, L10 (SuperWASP data) 2010A&A...520L..10B
3 E.V. Kazarovets, N.N. Samus, O.V. Durlevich, N.N. Kireeva, E.N. Pastukhova,
2008, IBVS 5863
2008IBVS.5863....1K
4 S.A.Otero, P.A.Dubovsky, IBVS N5557, 2004. 2004IBVS.5557....1O
5 C. Koen, L. Eyer, 2002, MNRAS 331, 45 2002MNRAS.331...45K
6 The Hipparcos and Tycho Catalogues, Vol.11 and Vol.17, CD-ROM No.1,
SP-1200, ESA, 1997.
1997ESASP1200.....P
7 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 = 9.18H = 9.14K = 9.13J - K = 0.05
AllWISE W1 = 9.06W2 = 9.09W3 = 9.10W4 = 9.03W1 - W2 = -0.02W3 - W4 = 0.07
APASS-DR9 g' = 10.16
GALEX-DR5 FUV = 13.39NUV = 12.67FUV - NUV = 0.72
SDSS-DR12 u = 10.84g = 9.46r = 9.53i = 9.68z = 10.43u - g = 1.38r - i = -0.15
Images
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Supporting Documents
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Revision History
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6 Admin, VSX 2017-12-25 12:07 UTC Added EL CVn subtype.
5 Admin, VSX 2013-10-21 20:50 UTC Update from [2013arXiv1310.4863M].
4 Admin, VSX 2010-01-04 23:43 UTC Update from the GCVS version of November 2009.
3 Admin, VSX 2008-12-02 22:21 UTC Primary name changed to GCVS designation [2008IBVS.5863....1K]
2 Admin, VSX 2007-03-23 15:55 UTC Update from [2004IBVS.5557....1O].
1 Admin, VSX 2005-12-17 20:33 UTC Initial database population.