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TYC 4171-1366-1


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A photometric study of K and M dwarf stars found by Stephenson
Broadband photometry has been obtained for a sample of the K and M dwarfstars found in an objective prism survey by Stephenson (1986). Among thestars with unknown proper motion, about 24 percent of those observedappear from the photometry not to be dwarfs, although the percentagevaries considerably with spectral type. For stars with V less than 11.5and B - V equal to or greater than 1.2, it is estimated that, within thearea surveyed, Stephenson's survey is about 68 percent complete.

Dwarf K and M stars of small proper motion found in a large spectroscopic survey
More than 2000 candidates for K and M dwarf status, generally havingproper motions that are either unknown or less than 0.2 arcsec perannum, have been identified in an objective-prism survey covering theentire sky north of declination - 25 degrees and more than 10 degreesfrom the galactic plane. More than 95 percent have no previousindication that they are dwarfs. Several dozen appear to be visualdouble stars.

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Observation and Astrometry data

Constellation:Ursa Major
Right ascension:13h46m57.56s
Declination:+60°10'02.5"
Apparent magnitude:8.944
Distance:680.272 parsecs
Proper motion RA:2.3
Proper motion Dec:-3.1
B-T magnitude:10.771
V-T magnitude:9.095

Catalogs and designations:
Proper Names   (Edit)
TYCHO-2 2000TYC 4171-1366-1
USNO-A2.0USNO-A2 1500-05721513
HIPHIP 67247

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