The Nature of Faint Blue Stars in the PHL and Ton Catalogues based on Digital Sky Surveys

H. Andernach, F. Romero Sauri, W. Copo Cordova W. +1

We determined accurate positions for 3000 of the "faint blue stars" in the PHL (Palomar-Haro-Luyten) and Ton/TonS catalogues. These were published from 1957 to 1962, and, aimed at…