Journal
ASTROPHYSICAL JOURNAL
Volume 555, Issue 2, Pages L103-L106Publisher
UNIV CHICAGO PRESS
DOI: 10.1086/323180
Keywords
galaxies : active; Galaxy : center; polarization; radiation mechanisms : nonthermal; scattering
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We report here Berkeley-Illinois-Maryland Association array observations of linear polarization in Sagittarius A*, the compact radio source in the Galactic center. These observations had a resolution of 20 x 5 oriented north-south. We do not detect linear or circular polarization at a level of 1.8% (1 sigma) at 112 GHz. This puts a new constraint on models that show a sharp change in linear polarization fraction at 100 GHz.
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