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Name
  W Cep  
AAVSO UID
000-BCQ-570 (16249 observations)  
Constellation
Cepheus Sequence
J2000.0
22 36 27.56 +58 25 33.9  (339.11483 +58.42608) Search nearby
B1950.0 22 34 32.84 +58 09 59.1
Proper motion
RA: -3.104 +/- 0.045 mas/yDec: -2.233 +/- 0.039 mas/ySource: Gaia DR1
Galactic coord. 106.023 +0.057
Other names

(Internal only)
AAVSO 2232+57 BD+57 2568 HD 214369
HIP 111592 IRC +60362 RAFGL 2925
SAO 34614    
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Variability type
SRC
Spectral type M0-M2Iaep+B0/B1
Mag. range
7.02 - 8.5 V
Discoverer --
Epoch
--
Outburst --
Period 350 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto VV Cep system. 350 d. period for the red supergiant variability is confirmed by Hipparcos data. Possible orbital period: 2090 d.
2 GCVS Team Slow oscillations with Pi ~2000d are superimposed by oscillations with P ~350d.
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References
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1 Variations in the brightness and polarization of W Cep 2006Ap.....49..164P
2 N.F.Florja, Tr. Gos. Astron. Inst. Sternberg 16, 187, 1949. 1949TrSht..16..187F
3 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
--
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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 = 3.66H = 2.97K = 2.48J - K = 1.18
AllWISE W3 = -0.57W4 = -2.12W3 - W4 = 1.55
Images
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Supporting Documents
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Campaigns/Programs
 Binocular program
 LPV Program
Revision History
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3 Otero, Sebastian Alberto 2011-08-15 16:01 UTC Minimum magnitude from AAVSO data. Orbital period from 2006Ap.....49..164P
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.