Variations in the integral fluxes and structure of the radio source 3C120

Details Variations in the integral fluxes and structure of the radio source 3C120 Variations in the integral fluxes and structure of the radio source 3C120

Jul 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007ap.....50..265v&link_type=abstract

Astrophysics, Volume 50, Issue 3, pp.265-272

Astronomy and Astrophysics

Astrophysics

Radio Observations&Mdash, Individual Object 3C120

Scientific paper

The variability of the radio source 3C120 is studied using data from the international geodesic VLBI observation programs at 8.6 GHz and regular monitoring over frequencies of 4.8 36.8 GHz carried out at the Crimean Astrophysical Observatory (Ukraine) and the Radio Astronomy Observatory of the University of Michigan (USA). A combined analysis of the integral fluxes and structures on millisecond scales reveals the existence of flares at high frequencies accompanied by the appearance of new VLBI components at centimeter wavelengths. It is found that the variations in the fluxes for 3C120 at various radio frequencies have delayed maxima at low frequencies, and the flare of 1998 was accompanied by the birth of a new superluminal component.

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