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HD 83728


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CCD Times of Minima of Some Eclipsing Binaries in 2002
We present CCD observations of minima of 11 eclipsing binaries.

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O-C diagram and recent lightcurves are published for the prototype starW UMa

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Observation and Astrometry data

Constellation:Ursa Major
Right ascension:09h42m29.05s
Declination:+56°11'14.4"
Apparent magnitude:8.875
Distance:191.939 parsecs
Proper motion RA:10.7
Proper motion Dec:-10.2
B-T magnitude:10.284
V-T magnitude:8.992

Catalogs and designations:
Proper Names
HD 1989HD 83728
TYCHO-2 2000TYC 3810-233-1
USNO-A2.0USNO-A2 1425-07376488
HIPHIP 47609
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