Optical Polarimetry of the Southern Compact Radio Source PKS:1934-63

Details Optical Polarimetry of the Southern Compact Radio Source PKS:1934-63 Optical Polarimetry of the Southern Compact Radio Source PKS:1934-63

Dec 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994mnras.271..807t&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Vol. 271, NO. 4/DEC15, P. 807, 1994

Astronomy and Astrophysics

Astronomy

12

Scientific paper

We present B-band polarimetry measurements which show significant optical polarization in the nucleus of the galaxy associated with the southern compact radio source PKS 1934 - 63. The polarization E-vector is within 10^deg^ of the perpendicular to the VLBI radio axis. The observations are consistent with dichroic absorption in a dust band perpendicular to the radio axis, with scattered AGN light, or with non-thermal emission associated with the compact double radio structure. In the former two cases, the observations support the idea that the optical emission from compact radio sources is anisotropic, and that the `unified schemes' may apply to compact as well as extended radio sources. Spectropolarimetric observations are required to identify the polarization mechanism.

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