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Name
  V0523 Cas  
AAVSO UID
000-BCY-625 (7510 observations)  
Constellation
Cassiopeia Sequence
J2000.0
00 40 06.20 +50 14 15.5  (10.02583 +50.23764) Search nearby
B1950.0 00 37 18.28 +49 57 51.1
Proper motion
RA: 147.033 +/- 0.800 mas/yDec: -71.999 +/- 0.374 mas/ySource: Gaia DR1
Galactic coord. 121.075 -12.593
Other names

(Internal only)
1RXS J004005.0+501414 T-Cas0-00430  
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Variability type
EW/KW
Spectral type K4V
Mag. range
10.62 - 11.45 V
Discoverer --
Epoch
05 Oct 1986 (HJD 2446708.7773) Ephemeris
Outburst --
Period 0.233689935 d  (5.6085584 h)
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Period changes due to a third companion with a period of ~70 yrs (2014IBVS.6120....1C).
2 GCVS Team Min II 11.34. P var. Min I = 2432054.555 + 0.2336882d*E (JD2428545 - 33570) [P.N.Kholopov, Manuscript, 1974.]; Min I = 2439029.461 + 0.23368912d*E (JD2439000 - 41300) [K.Haeussler, Hartha Mitt H.7, 12, 1974.]; since JD2440480 - see Table.
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References
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1 Bob Nelson's O-C files, 2016 --
2 Castelaz, M. W., 2014, IBVS #6120 2014IBVS.6120....1C
3 J. Devor et al., 2008, AJ 135, 850 (Online data) 2008AJ....135..850D
4 Catalogue of Stellar Spectral Classifications (Skiff, 2005) 2003AJ....125.3258R
5 D.H.Bradstreet, AJ 86, N1, 98, 1981. 1981AJ.....86...98B
6 R.Weber, BSAF 71, 34, 1957. --
7 CALEB - Catalog and AtLas of Eclipsing Binaries --
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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 = 9.27H = 8.64K = 8.49J - K = 0.78
Images
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2017-09-14 01:18 UTC Elements from 2014IBVS.6120....1C.
2 Admin, VSX 2007-04-04 05:53 UTC Position and spectral type from Brian Skiff's MKTypes.dat [http://vizier.u-strasbg.fr/viz-bin/Cat?III/233B].
1 Admin, VSX 2005-12-17 20:33 UTC Initial database population.