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HD 49955


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Spectral Classification of Stars in A Supplement to the Bright Star Catalogue
MK spectral types are given for about 584 stars in A Supplement to theBright Star Catalogue. These are compared with Hipparcos parallaxes tocheck the reliability of those classifications. The estimated errors are+/-1.2 subtypes, and 10% of the luminosity classes may be wrong.

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Observation and Astrometry data

Constellation:おおいぬ座
Right ascension:06h50m16.68s
Declination:-17°17'31.1"
Apparent magnitude:6.615
Distance:114.811 parsecs
Proper motion RA:-2.4
Proper motion Dec:-22.8
B-T magnitude:6.661
V-T magnitude:6.619

Catalogs and designations:
Proper Names
HD 1989HD 49955
TYCHO-2 2000TYC 5954-251-1
USNO-A2.0USNO-A2 0675-03993749
HIPHIP 32801
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