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Details for Revision 1
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  W Dra  
000-BCB-214 (12297 observations)  
Draco Sequence
18 05 34.70 +65 57 22.0  (271.39458 +65.95611) Search nearby
B1950.0 18 05 30.67 +65 56 57.8
Galactic coord. 95.698 +29.242
Other names

(Internal only)
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AAVSO 1805+65 AN 6.1902 BD+65 1241
HD 166407 NSVS J1805350+655724  
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Variability type
Spectral type M3e-M4e
Mag. range
8.9 - 15.4 V
Discoverer --
08 May 1974 (HJD 2442176) Ephemeris
Outburst --
Period 278.6 d
Rise/eclipse dur. 43%  (119.798000000000 d)
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 GCVS Team P var. Max = 2416748 + 257.11d*E (JD2416750 - 21390); Max = 2430826 + 262.11d*E (JD2421390 - 30820); Max = 2439962 + 268.87d*E (JD2430820 - 40490); since JD2440490 - see Table.
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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 P.R. Wozniak, S.J. Williams, W.T. Vestrand, V. Gupta, AJ 128, 2965, 2004 2004AJ....128.2965W
3 T. Karlsson, Maxima of Mira stars --
4 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
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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.