Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....91...41w&link_type=abstract
Astronomy and Astrophysics, vol. 91, no. 1-2, Nov. 1980, p. 41-48.
Astronomy and Astrophysics
Astronomy
9
Centimeter Waves, Circular Polarization, Polarimetry, Radio Sources (Astronomy), Synchrotron Radiation, Astronomical Catalogs, Continuous Radiation, Field Strength, Linear Polarization, Magnetic Fields
Scientific paper
Accurate measurements of integrated total intensity and linear and circular polarization were made of 28 compact radio sources using the Westerbork Synthesis Radio Telescope. These data indicate that about one-quarter of all radio sources have a detectable circularly polarized component in their synchrotron continuum radiation at gamma 49 cm. The source 0316 + 162 (CTA 21) has a change of sign in circular polarization spectrum which indicates that the simple, uniform, incoherent synchrotron model can estimate internal magnetic field strengths; a comparison of these strengths and magnetic field estimates obtained from equipartition data indicate that radio sources are not far removed from equipartition.
de Pater Imke
Weiler Kurt W.
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