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Details for Revision 2
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Name
  AH Cyg  
AAVSO UID
000-BDN-294 (35 observations)  
Constellation
Cygnus Sequence
J2000.0
20 00 36.70 +40 10 48.3  (300.15292 +40.18008) Search nearby
B1950.0 19 58 51.75 +40 02 28.2
Galactic coord. 75.828 +5.282
Other names

(Internal only)
AN 175.1908 BD+39 3997 IOMC 3154000049
IRC +40372 RAFGL 5454S  
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Variability type
SRB
Spectral type M6.5
Mag. range
10.8 - 12.3 p
Discoverer --
Epoch
30 Jun 1939 (HJD 2429445) Ephemeris
Outburst --
Period 112 d
Rise/eclipse dur. 40%:  (45 d)
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.G.Koulikovsky, Perem. Zvezdy 7, N3, 149, 1949. 1949PZ......7..149K
3 Ceraski, W., 1908, Deux variables nouvelles 1908AN....179..291C
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Supporting Documents
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Revision History
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3 Billiaert, Bruno 2016-02-05 01:15 UTC Discoverer from 1908AN....179..291C.
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.