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HD 17921


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UBV beta Database for Case-Hamburg Northern and Southern Luminous Stars
A database of photoelectric UBV beta photometry for stars listed in theCase-Hamburg northern and southern Milky Way luminous stars surveys hasbeen compiled from the original research literature. Consisting of over16,000 observations of some 7300 stars from over 500 sources, thisdatabase constitutes the most complete compilation of such photometryavailable for intrinsically luminous stars around the Galactic plane.Over 5000 stars listed in the Case-Hamburg surveys still lackfundamental photometric data.

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Observation and Astrometry data

Constellation:Περσεύς
Right ascension:02h54m32.32s
Declination:+48°08'42.3"
Apparent magnitude:7.747
Distance:1315.789 parsecs
Proper motion RA:2.5
Proper motion Dec:-7.7
B-T magnitude:7.732
V-T magnitude:7.746

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 17921
TYCHO-2 2000TYC 3301-240-1
USNO-A2.0USNO-A2 1350-02844355
HIPHIP 13550

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