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Detail Sheet Get help for this listing
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Name
Variable   U Dra  
AAVSO UID
000-BCF-547  
Const. Draco
J2000.0
19 10 00.64 +67 16 36.6  (287.50267 +67.27683) Search nearby
B1950.0 19 09 59.04 +67 11 35.3
Other names

(Internal only)
AAVSO 1909+67 BD+67 1124 HD 180050
IRC +70149 RAFGL 2339S  
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Var. type M
Spec. type M6e-M8
Mag. range 9.1 - 14.6 V
Discoverer --
Original ref. General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N. Kholopov et al.
Chart ref. AAVSO Variable Star Charts, AAVSO, Cambridge, Massachusetts.
Epoch 20 Feb 1980 (HJD 2444290.0000)
Outburst --
Period 316.13
Rise dur. 47%
Remarks
(Original) 		P var. Mean elements are given.
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Revision History Get help for this listing
Currently approved revision is checked. All other subsequent revisions are not yet approved.
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.

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The International Variable Star Index
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