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Latest Details
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Name
  U Dra  
AAVSO UID
000-BCF-547 (9719 observations)  
Constellation
Draco Sequence
J2000.0
19 10 00.64 +67 16 36.6  (287.50267 +67.27683) Search nearby
B1950.0 19 09 58.76 +67 11 35.6
Proper motion
RA: 1.9 +/- 2.6 mas/yDec: -8.6 +/- 1.7 mas/ySource: UCAC4
Galactic coord. 98.182 +23.126
Other names

(Internal only)
AAVSO 1909+67 ASASSN-V J191000.84+671636.0 BD+67 1124
HD 180050 IRC +70149 RAFGL 2339S
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Variability type
M
Spectral type M6e-M8
Mag. range
9.1 - 14.6 V
Discoverer T.D. Anderson, 1897
Epoch
20 Feb 1980 (HJD 2444290) Ephemeris
Outburst --
Period 316.13 d
Rise/eclipse dur. 47%  (149 d)
Remarks
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1 GCVS Team P var. Mean elements are given.
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References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 T. Karlsson, Maxima of Mira stars --
2 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.		 --
External Links
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Location    Go   
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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 = 3.65H = 2.70K = 2.10J - K = 1.54
AllWISE W3 = 0.52W4 = 0.13W3 - W4 = 0.39
APASS-DR9 B = 12.13V = 10.85g' = 11.64B - V = 1.28
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 19 10 00.64 +67 16 36.6 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Campaigns/Programs
 LPV Program
 LPV Humps
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
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.

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