TYC 857-40-1

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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