期刊
ASTROPHYSICS AND SPACE SCIENCE
卷 288, 期 1-2, 页码 69-76出版社
KLUWER ACADEMIC PUBL
DOI: 10.1023/B:ASTR.0000004995.36315.39
关键词
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We describe recent results for Sgr A*, M81* and other low luminosity active galactic nuclei. We have conducted linear and circular polarimetry over a frequency range of 1.4 to 230 GHz and detected a variety of phenomena. The polarization properties of the studied sources are substantially different from higher powered AGN. In the case of Sgr A*, we are able to eliminate ADAFs and Bondi-Hoyle flows as possible models based on mm. polarimetry. Our success with Sgr A* demonstrates that we can learn about the nature of accretion and outflow in these sources with unprecedented detail. We may also develop probes of general relativity in the strong-field limit.
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