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  RZ Cyg  
000-BCM-683 (8536 observations)  
Cygnus Sequence
20 51 53.19 +47 21 20.4  (312.97163 +47.35567) Search nearby
B1950.0 20 50 12.54 +47 10 00.0
Proper motion
RA: 2.6 +/- 3.0 mas/yDec: -1.6 +/- 3.0 mas/ySource: UCAC4
Galactic coord. 87.034 +1.887
Other names

(Internal only)
AAVSO 2048+46 BD+46 3080 IOMC 3579000042
IRC +50347 RAFGL 2667  
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Variability type
Spectral type M7.0-M8.2ea
Mag. range
9.8 - 14.1 V
Discoverer --
31 Aug 1968 (HJD 2440100) Ephemeris
Outburst --
Period 275.69 d
Rise/eclipse dur. --
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1 GCVS Team The shape of the light curve strongly varies. Alternation of high and low maxima, as well as of shallow and deep minima is observed, as a rule: 9.8m <= Max <= 12.0m. 11.8m <= Min <= 14.1m.
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1 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
2 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 = 2.20H = 1.06K = 0.59J - K = 1.61
AllWISE W3 = -0.84W4 = -1.96W3 - W4 = 1.11
APASS-DR9 B = 13.93V = 11.36g' = 13.41r' = 9.88i' = 6.50B - V = 2.57
Please review Digitized Sky Survey Acknowledgment and Copyright.
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Supporting Documents
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 LPV Program
 Percy's Unusual LPVs
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
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.