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  RW Cyg  
000-BCV-604 (2248 observations)  
Cygnus Sequence
20 28 50.59 +39 58 54.4  (307.21079 +39.98178) Search nearby
B1950.0 20 27 01.50 +39 48 51.7
Proper motion
RA: -2.59 +/- 0.78 mas/yDec: -4.82 +/- 0.92 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 78.655 +0.676
Other names

(Internal only)
AAVSO 2025+39 BD+39 4208 HIP 101023
IOMC 3156000071 IRC +40424 RAFGL 2590
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Variability type
Spectral type M2-4Ia-Iab
Mag. range
8.05 - 9.7 V
Discoverer --
Outburst --
Period 550: d
Rise/eclipse dur. --
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Click reference title/citation to view in new window. Roll over index number to view submission details.
1 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
2 J.G.Hagen, ASV IV, 1907. --
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 = 2.12H = 0.96K = 0.64J - K = 1.48
AllWISE W3 = -1.78W4 = -3.12W3 - W4 = 1.34
APASS-DR9 B = 10.78
Please review Digitized Sky Survey Acknowledgment and Copyright.
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Supporting Documents
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Revision History
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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.