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Details for Revision 2
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Name
  YY Cyg  
AAVSO UID
000-BCV-612 (1070 observations)  
Constellation
Cygnus Sequence
J2000.0
21 22 28.71 +42 23 46.5  (320.61962 +42.39625) Search nearby
B1950.0 21 20 33.74 +42 10 54.5
Galactic coord. 87.023 -5.453
Other names

(Internal only)
AAVSO 2118+41 AN 94.1901 ASASSN-V J212228.62+422346.0
BD+41 4114 HIP 105539 IOMC 3190000048
IRC +40478 RAFGL 2755  
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Variability type
SRA
Spectral type C6,0-C7,3eaV(n)
Mag. range
12.1 - 13.2 p
Discoverer --
Epoch
15 Jul 1940 (HJD 2429826) Ephemeris
Outburst --
Period 388 d
Rise/eclipse dur. --
Remarks
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References
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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)
2012arXiv1210.0821A
2 B.V.Kukarkin, P.P.Parenago, GCVS 1948. --
3 Cannon, A. J., 1907, Second catalogue of variable stars 1907AnHar..55....1C
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Supporting Documents
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Revision History
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3 Fernig, Leo 2022-04-22 13:36 UTC Discoverer updated from 1907AnHar..55....1C page 30
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.