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HD 42770 (Teka Machado)


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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:Orion
Right ascension:06h12m59.40s
Declination:+10°17'14.7"
Apparent magnitude:6.566
Distance:256.41 parsecs
Proper motion RA:-0.9
Proper motion Dec:-6.9
B-T magnitude:6.487
V-T magnitude:6.56

Catalogs and designations:
Proper NamesTeka Machado
HD 1989HD 42770
TYCHO-2 2000TYC 734-2092-1
USNO-A2.0USNO-A2 0975-02750179
HIPHIP 29508
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