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Name
  W Cyg  
AAVSO UID
000-BCP-079 (77015 observations)  
Constellation
Cygnus Sequence
J2000.0
21 36 02.50 +45 22 28.5  (324.01042 +45.37458) Search nearby
B1950.0 21 34 08.63 +45 09 00.0
Galactic coord. 90.862 -4.984
Other names

(Internal only)
AAVSO 2132+44 BD+44 3877 HD 205730
HIP 106642 HR 8262 IRC +50386
SAO 51079 TYC 3591-3422-1  
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Variability type
SRB
Spectral type M4e-M6e(Tc:)III
Mag. range
5.10 - 6.83 V
Discoverer --
Epoch
18 Nov 1992 (HJD 2448945.0) Ephemeris
Outburst --
Period 131.7
Rise/eclipse dur. 50%
Remarks
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1 Otero, Sebastian Alberto Other period 260 d.
2 GCVS Team There is a second oscillation with P = 235.3d.
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References
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1 Long-Term VRI Photometry of Small-Amplitude Red Variables. I. Light Curves
and Periods
2001PASP..113..983P
2 Photometry and Spectrophotometry of Long-Period Variables. 1964ApJS....9..141S
3 I.A.Klyus, Astron. Tsirk. N1070, 1979. --
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Images
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Supporting Documents
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2 Historical light curve Otero, Sebastian Alberto 2011-08-19 20:38 UTC Light curve with all the data available from the literature.
1 Phase plot Otero, Sebastian Alberto 2011-08-19 20:35 UTC Phase plot with data from the literature.
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Campaigns/Programs
 Binocular program
 Legacy LPV Program
 LPV Program
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Otero, Sebastian Alberto 2011-08-19 20:38 UTC Reference and JD light curve added.
3 Otero, Sebastian Alberto 2011-08-19 20:35 UTC Period, epoch and range from data available in the literature.
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.