Extended component in the quasar 3C 380

Details Extended component in the quasar 3C 380 Extended component in the quasar 3C 380

Sep 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006arep...50..692m&link_type=abstract

Astronomy Reports, vol. 50, Issue 9, p.692-698

Astronomy and Astrophysics

Astronomy

1

Pacs Numbers 98.54.Aj, 95.75.Kk

Scientific paper

Results of radio interferometric observations of the quasar 3C 380 carried out on the URAN interferometers at decameter wavelengths and on the aperture synthesis radio telescope VLA at meter wavelengths are reported. The spectral index of an extended lobe about 10″ in size is considerably lower than at decimeter wavelengths. Below ˜ 100 MHz, the ratio of the emission from the compact components associated with hot spots in the radio lobe to the total flux of the source decreases due to synchrotron self-absorption at hot spots, whose flux density at 20 MHz does not exceed 65 Jy. A halo with a full width at a half-maximum of about 40″ was detected, whose angular extent considerably exceeds the total source size measured at shorter wavelengths.

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