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Name
  V0811 Cas  
AAVSO UID
000-BDK-146 (No observations)  
Constellation
Cassiopeia Sequence
J2000.0
23 20 34.31 +58 16 39.4  (350.14296 +58.27761) Search nearby
B1950.0 23 18 19.51 +58 00 12.8
Proper motion
RA: -0.219 +/- 0.082 mas/yDec: -0.144 +/- 0.077 mas/ySource: Gaia DR1
Galactic coord. 111.205 -2.510
Other names

(Internal only)
ALS 12887 ASASSN-V J232034.49+581640.0 BD+57 2724
HD 220116 HIP 115244 LS III +58 81
MWC 399 SAO 35340 TYC 4011-773-1
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Variability type
BE
Spectral type B0.5Vpe
Mag. range
8.44 - 8.71 V
Discoverer --
Epoch
02 Sep 1991 (HJD 2448502.178) Ephemeris
Outburst --
Period 3.3869 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Large amplitude periodic variability. Disk precession?
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References
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1 J.S. Nichols et al., 2010, ApJS 188, 473 (online data) 2010ApJS..188..473N
2 European Space Agency, 1997, The Hipparcos and Tycho Catalogues, ESA
SP-1200		 1997yCat.1239....0E
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 = 7.59H = 7.50K = 7.36J - K = 0.23
AllWISE W1 = 7.44W2 = 7.48W3 = 7.12W4 = 5.92W1 - W2 = -0.04W3 - W4 = 1.20
APASS-DR9 g' = 10.12
SDSS-DR12 u = 10.05g = 8.97r = 8.46i = 9.31z = 8.77u - g = 1.08r - i = -0.84
Images
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Supporting Documents
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Revision History
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4 Otero, Sebastian Alberto 2012-05-21 22:47 UTC Range from Hipparcos and GCPD data.
3 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
2 Admin, VSX 2007-03-23 19:53 UTC Added period, epoch and spectral type from [1997yCat.1239....0E].
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.

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