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TYC 857-40-1


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Photometry of faint blue stars. IV - Four-colour photometry of some northern stars
Photometry in the uvby system has been obtained for 33 northern faintblue stars. The stars are given photometric classification usingpreviously described criteria. Data are discussed which providesupporting evidence for the existence of gaps in the blue horizontalbranch.

Mean absolute magnitude of the blue stars at high galactic latitude.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1962AJ.....67..740K&db_key=AST

A search for blue stars in high galactic latitudes.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1958AJ.....63..484C&db_key=AST

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Observation and Astrometry data

Constellation:おとめ座
Right ascension:11h41m40.40s
Declination:+09°43'59.8"
Apparent magnitude:10.709
Proper motion RA:-10.1
Proper motion Dec:-7.1
B-T magnitude:10.779
V-T magnitude:10.715

Catalogs and designations:
Proper Names
TYCHO-2 2000TYC 857-40-1
USNO-A2.0USNO-A2 0975-06783363
HIPHIP 57040
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