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Name
  V0373 Cas  
AAVSO UID
000-BCS-101 (476 observations)  
Constellation
Cassiopeia Sequence
J2000.0
23 55 33.80 +57 24 44.0  (358.89083 +57.41222) Search nearby
B1950.0 23 53 02.66 +57 08 02.1
Galactic coord. 115.437 -4.644
Other names

(Internal only)
AAVSO 2350+56 ALS 13294 BD+56 3115
GSC 04009-00987 HD 224151 HIP 117957
HR 9052 Hilt 1244 IRAS 23530+5707
LS I +57 1 MCW 1140 PPM 42361
SAO 35899 TYC 4009-987-1  
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Variability type
E:/GS
Spectral type B0.5II+B0.5II
Mag. range
5.9 - 6.3 V
Discoverer --
Epoch
14 Oct 1958 (HJD 2436491.237) Ephemeris
Outburst --
Period 13.4192 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Non-eclipsing system.
2 GCVS Team An unique close binary. Porb = 13.4192d [D.G.Monet, ApJ 237, 513, 1980.]. Epoch of Min I is given close to the epoch of one of conjunctions. Min II - Min I = 0.58P. Maxima are very sharp. Max - Min II = 0.25P. It is not excluded that the star is an eclipsing one with physical variability of components, but eclipses, if they exist, cause only a very small part of the observed light variations. Range of light variations is given according to [E.Kollnig-Schattschneider, AN 271, 85, 1940.]. As a rule the amplitude is close to 0.1m.
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References
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1 Berdyugin, A. V., 1998, UBVI photometry and polarimetry of V373 Cas 1998AstL...24...84B
2 Perryman, M. A. C.; et al., 1997, The HIPPARCOS and TYCHO catalogues 1997HIP...C......0E
3 C.R.Lynds, ApJ 130, 599, 1959. 1959ApJ...130..599L
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Supporting Documents
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Revision History
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4 Otero, Sebastian Alberto 2020-10-06 19:08 UTC Type from light curve.
3 Otero, Sebastian Alberto 2015-11-02 21:23 UTC Type, period and spectral type from 1998AstL...24...84B. Range from 1998AstL...24...84B and HIPPARCOS data.
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.

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