Infrared polarimetry of nine Seyfert galaxies

Details Infrared polarimetry of nine Seyfert galaxies Infrared polarimetry of nine Seyfert galaxies

Feb 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...253...53r&link_type=abstract

Astrophysical Journal, Part 1, vol. 253, Feb. 1, 1982, p. 53-57. Research supported by the California Space Institute

Astronomy and Astrophysics

Astronomy

12

Infrared Astronomy, Polarimetry, Seyfert Galaxies, Cosmic Dust, Galactic Nuclei, Spectrophotometry

Scientific paper

No polarizations greater than 2-3% are detected at a 95% confidence level in measurements of the polarization of nine Seyfert galaxies at 2.3 microns. It is suggested after considering mechanisms that could weaken or modify a strongly polarized nonthermal component that the small polarizations may be explained if the IR fluxes are similar in nature to those of the low-polarization QSOs, although the photometric variability observed in the type 1 Seyfert nuclei contradicts such similarities. It is concluded that the observations are consistent with, but not conclusive evidence of, thermal emission by dust as the source of the near-IR excesses in the present Seyfert galaxies.

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