Spectra for 107 Radio Sources Selected at 408 MHz

Abstract

Radio spectra are presented for 107 sources which have previously been examined for optical identifications based on 408 MHz positions obtained with the Molonglo cross. Flux density measurements are given at five frequencies from 318 to 2695 MHz. The relationship between spectrum and optical identification is discussed. For sources with peaked, flat, or complex spectra the identification rate with QSO candidates is very high. For the remaining sources, no significant difference between the spectral index distribution of QSOs and galaxies is found.