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Name
  RU UMi  
AAVSO UID
000-BBT-817 (9993 observations)  
Constellation
Ursa Minor Sequence
J2000.0
13 38 56.82 +69 48 11.2  (204.73675 +69.80311) Search nearby
B1950.0 13 37 38.99 +70 03 22.9
Proper motion
RA: 16.728 +/- 0.939 mas/yDec: -5.101 +/- 0.739 mas/ySource: Gaia DR1
Galactic coord. 116.977 +46.772
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 1336+70 BD+70 751 NSVS 966750
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Variability type
EB/DW
Spectral type F5
Mag. range
10 - 10.66 V
Discoverer --
Epoch
05 Oct 1972 (HJD 2441596.3365) Ephemeris
Outburst --
Period 0.52492618 d  (12.598228 h)
Rise/eclipse dur. --
Remarks
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1 GCVS Team Min II 10.20.
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References
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1 S.J.Gettel, M.T.Geske, T.A.McKay, AJ 131, 621, 2006. 2006AJ....131..621G
2 C.de Bernardi, F.Scaltriti, AA 27, 187, 1977. 1977AcA....27..187D
3 Bob Nelson's O-C files, 2016 --
4 CALEB - Catalog and AtLas of Eclipsing Binaries --
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 = 9.27H = 9.10K = 9.07J - K = 0.20
AllWISE W1 = 9.12W2 = 9.13W3 = 9.13W4 = 8.83W1 - W2 = -0.01W3 - W4 = 0.30
GALEX-DR5 FUV = 17.12NUV = 13.60FUV - NUV = 3.53
Images
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Supporting Documents
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Revision History
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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.