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Details for Revision 2
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Name
  R Cyg  
AAVSO UID
--  
Constellation
Cygnus Sequence
J2000.0
19 36 49.40 +50 11 59.0  (294.20583 +50.19972) Search nearby
B1950.0 19 35 28.77 +50 05 10.7
Galactic coord. 82.675 +13.783
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 1934+49 ASAS J193650+5012.0 BD+49 3064
HD 185456 IRC +50301 RAFGL 2422
SAO 31822    
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Variability type
M
Spectral type S2.5,9e-S6,9e(Tc)
Mag. range
6.1 - 14.4 V
Discoverer Norman Pogson, 1852
Epoch
21 Dec 1980 (HJD 2444595.00) Ephemeris
Outburst --
Period 426.45 d
Rise/eclipse dur. 35%  (149 d)
Remarks
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1 GCVS Team VB A (B 9.3m, 91", 14deg). S4/6e - S8/6e.
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References
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1 A. Pigulski, G. Pojmanski, B. Pilecki, D. Szczygiel, 2008,
arXiv:0808.2558v2 [astro-ph]
2008arXiv0808.2558P
2 A. Pigulski, G. Pojmanski, B. Pilecki, D. Szczygiel, 2008,
arXiv:0808.2558v2 (online data)
2008arXiv0808.2558P
3 T. Karlsson, Maxima of Mira stars --
4 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
--
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Supporting Documents
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Campaigns/Programs
 Legacy LPV Program
 LPV Program
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
2 Molnar, Peter 2006-08-26 03:49 UTC Added discoverer.
1 Admin, VSX 2005-12-17 20:33 UTC Initial database population.