The radio/optical emission in 3C 33 south

Details The radio/optical emission in 3C 33 south The radio/optical emission in 3C 33 south

Jun 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...246..647r&link_type=abstract

Astrophysical Journal, Part 1, vol. 246, June 15, 1981, p. 647-652.

Astronomy and Astrophysics

Astronomy

24

Light Emission, Radio Emission, Radio Galaxies, Astronomical Maps, Brightness Distribution, Contours, Radio Astronomy, Synchrotron Radiation, Thermal Absorption, Thermal Emission, Very Large Array (Vla)

Scientific paper

The southern lobe of 3C 33 has been observed with the Very Large Array at wave lengths of 6 cm and 2 cm and resolutions 1 arcsec. The results clearly demonstrate a physical association between the radio source and the optical patch found by Simkin (1978). The spectral index shows that the optical emission could be the synchrotron tail of the radio radiation, provided that the lobe is continually supplied with relativistic particles with gamma not less than 10 to the 6th. If thermal gas is responsible for the optical emission, these radio polarization observations show that it must be well separated from the relativistic material. The ionization and thermal balance of any thermal gas pose a number of interesting problems. Several critical observations for future work are identified.

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