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Latest Details
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Name
  R UMa  
AAVSO UID
000-BBR-635 (69890 observations)  
Constellation
Ursa Major Sequence
J2000.0
10 44 38.47 +68 46 32.7  (161.16029 +68.77575) Search nearby
B1950.0 10 41 07.92 +69 02 19.9
Proper motion
RA: -40.51 +/- 0.79 mas/yDec: -22.66 +/- 0.78 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 138.363 +44.361
Other names

(Internal only)
AAVSO 1037+69 ASASSN-V J104438.60+684632.2 BD+69 587
HD 92763 HIP 52546 IRC +70099
RAFGL 1432 SAO 15273  
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Variability type
M
Spectral type M3e-M9e
Mag. range
6.5 - 13.7 V
Discoverer Norman Pogson (1853)
Epoch
22 Feb 2019 (HJD 2458537.00) Ephemeris
Outburst --
Period 301.45 d
Rise/eclipse dur. 39%  (118 d)
Remarks
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1 GCVS Team Maser (H2O).
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References
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1 Cannon, A. J., 1907, Second catalogue of variable stars 1907AnHar..55....1C
2 T. Karlsson, Maxima of Mira stars --
3 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
--
External Links
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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 = 2.37H = 1.56K = 1.11J - K = 1.26
AllWISE W3 = -0.68W4 = -1.82W3 - W4 = 1.14
APASS-DR9 B = 11.42V = 10.33g' = 11.03B - V = 1.09
GALEX-DR5 FUV = 19.48NUV = 19.44FUV - NUV = 0.03
Images
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Supporting Documents
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Campaigns/Programs
 Legacy LPV Program
 LPV Program
Revision History
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4 Otero, Sebastian Alberto 2024-01-18 19:30 UTC Period and epoch from AAVSO data.
3 Fernig, Leo 2022-04-22 13:31 UTC Discoverer updated from 1907AnHar..55....1C page 15
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.