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Latest Details
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Name
  R Cyg  
AAVSO UID
000-BCH-266 (66561 observations)  
Constellation
Cygnus Sequence
J2000.0
19 36 49.38 +50 11 59.5  (294.20575 +50.19986) Search nearby
B1950.0 19 35 28.76 +50 05 11.6
Proper motion
RA: -2.1 +/- 0.8 mas/yDec: -6.7 +/- 1.1 mas/ySource: UCAC4
Galactic coord. 82.676 +13.783
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 1934+49 ASAS J193650+5012.0 ASASSN-V J193649.33+501200.0
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 - 15.0 V
Discoverer Norman Pogson, 1852
Epoch
05 Sep 2013 (HJD 2456541.0) Ephemeris
Outburst --
Period 427.1 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.
--
External Links
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Location    Go   
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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 = 2.25H = 1.38K = 0.86J - K = 1.39
AllWISE W3 = -1.06W4 = -2.01W3 - W4 = 0.95
APASS-DR9 B = 12.20g' = 10.93
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 19 36 49.38 +50 11 59.5 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
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.
4 Otero, Sebastian Alberto 2024-01-19 03:30 UTC Minimum magnitude, period and epoch from AAVSO data.
3 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
2 Molnar, Peter 2006-08-26 07:49 UTC Added discoverer.
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.