Variability Observations of a Complete Sample of Flat-Spectrum Radio Sources: Preliminary Results

Authors: Gorshkov, A.G.1; Konnikova, V.K.1; Mingaliev, M.G.2

Source: Astrophysics and Space Science, Volume 278, Numbers 1-2, 2001 , pp. 93-96(4)

Publisher: Springer

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Abstract:

This report presents preliminary results of daily observations, over 60 and 100 days, of a complete, flux-limited sample of radio sources with flat spectra. The existence of flicker up to 21.7 GHz was confirmed, for sources with flat spectra, on a time-scale of 4 days. A model explaining the flux density variations of the unique radio source 0524+034, on long and short time-scales, by an intrinsic mechanism is proposed.

Document Type: Regular Paper

Affiliations: 1: Sternberg Astronomical Institute, Moscow State University, Russia; E-mail: algor@sai.msu.ru 2: Special Astrophysical Observatory, Russian Academy of Sciences, Nizhnij Arkhyz, Russia E-mail: marat@sao.ru

Publication date: January 1, 2001

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