Infrared polarimetry of quasars

Details Infrared polarimetry of quasars Infrared polarimetry of quasars

Mar 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...369..106s&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 369, March 1, 1991, p. 106-110. Research supported by University of Cincinn

Astronomy and Astrophysics

Astronomy

22

Infrared Sources (Astronomy), Infrared Spectra, Polarization Characteristics, Quasars, Extragalactic Radio Sources, Sky Surveys (Astronomy), Synchrotron Radiation

Scientific paper

The results of a survey of the 2-micron polarization properties of radio-loud and radio-quiet quasars are reported. It is found that the polarizations were all less than 2.5 percent and almost all less than 1.5 percent. In cases where the infrared polarization was unambiguously detected, a comparison of the infrared and optical polarization characteristics suggests that all of the polarization is the result of scattering (with one exception). Both these data and infrared spectral information are consistent with the bulk of the infrared emsision being due to heated dust grains.

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