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  W UMi  
000-BCX-440 (1744 observations)  
Ursa Minor Sequence
16 08 27.27 +86 11 59.6  (242.11363 +86.19989) Search nearby
B1950.0 16 21 11.09 +86 19 23.1
Proper motion
RA: -11.918 +/- 0.058 mas/yDec: 15.977 +/- 0.058 mas/ySource: Gaia DR1
Galactic coord. 119.622 +29.570
Other names

(Internal only)
AAVSO 1634+86 AN 12.1913 AN 23.1913
BD+86 244 HD 150265 HIP 79069
SAO 2692    
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Variability type
Spectral type A3
Mag. range
8.51 - 9.59 V
Discoverer --
13 Aug 2002 (HJD 2452500.396) Ephemeris
Outburst --
Period 1.7011374 d
Rise/eclipse dur. 23%
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1 GCVS Team Min II 8.66; d = 0.02P. P var? Non-linear term in the elements is possible: -7.7d*10**(-10)*E**2.
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1 J. Schirmer, 2015, Veränderlichenbeobachtung an W Ursae Minoris BAV Rundbrief, 3/2015
2 Bob Nelson's O-C files, 2016 --
3 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
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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 = 7.90H = 7.82K = 7.75J - K = 0.15
AllWISE W1 = 7.79W2 = 7.82W3 = 7.81W4 = 7.71W1 - W2 = -0.03W3 - W4 = 0.10
Please review Digitized Sky Survey Acknowledgment and Copyright.
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2015-12-15 21:19 UTC Period and epoch from BAV Rundbrief, 3/2015.
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.