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HD 186505


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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:はくちょう座
Right ascension:19h43m04.49s
Declination:+39°59'49.6"
Apparent magnitude:6.948
Distance:70.175 parsecs
Proper motion RA:-6
Proper motion Dec:19.3
B-T magnitude:7.302
V-T magnitude:6.978

Catalogs and designations:
Proper Names
HD 1989HD 186505
TYCHO-2 2000TYC 3140-2578-1
USNO-A2.0USNO-A2 1275-12093890
HIPHIP 97018
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