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Name
  SX Cas  
AAVSO UID
000-BBB-233 (250 observations)  
Constellation
Cassiopeia Sequence
J2000.0
00 10 42.10 +54 53 29.0  (2.67542 +54.89139) Search nearby
B1950.0 00 08 04.50 +54 36 47.6
Galactic coord. 117.045 -7.514
Other names

(Internal only)
AAVSO 0005+54 AN 142.1907 BD+54 7
HD 232121 HIP 871 MWC 417
SAO 21169    
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Variability type
EA/GS
Spectral type B7eIII+K3III
Mag. range
8.96 - 9.83 V
Discoverer --
Epoch
06 Sep 1965 (HJD 2439009.525) Ephemeris
Outburst --
Period 36.56375 d
Rise/eclipse dur. 10%
Remarks
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1 GCVS Team VB A (B 11.5m, 19", 250deg, 1966). Min II 9.32. The light curve shape var. DII = 0.171P:, dI = 0.036P, dII = 0.050P. P var. Min I = 2433963.267 + 36.56727d*E (JD2418000 - 37000); since JD2438700 - see Table. Strong emissions of H, NV, CIV, SIIV, FeIII. Gaseous streams and accretion phenomena.
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References
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1 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
2012arXiv1210.0821A
2 E.F.Guinan, S.Tomczyk, IBVS N1623, 1979. 1979IBVS.1623....1G
3 W. Ceraski, 1907, Une variable nouvelle 141.1907 Andromedae 1907AN....176Q.217C
4 Bob Nelson's O-C files, 2016 --
5 W.Ceraski, Mosc Ann (2), 5, Kartenserie 3, 1913. --
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Supporting Documents
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Revision History
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3 Billiaert, Bruno 2015-12-29 18:19 UTC discoverer added (1907AN....176Q.217C)
2 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.