Polarization and Rotation Measures in Compact Steep Spectrum Sources

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Session 106 -- AGN
Display presentation, Saturday, January 15, 9:30-6:45, Salons I/II Room (Crystal Gateway)

[106.07] Polarization and Rotation Measures in Compact Steep Spectrum Sources

Alison Peck (U of Nebraska-Kearney), William Junor (NRAO), Chris Salter (NAIC)

Saikia et al. (1987) showed that quasars are strongly depolarized between 6 and 21 cm. The same year, Kato et al. found very high rotation measures for four extragalactic sources, two of which were compact steep spectrum sources. This poster describes an investigation of the polarization percentages and rotation measures of 26 compact steep spectrum sources which were observed with the VLA A-array at 8.085, 8.485, and 14.885 GHz in order to determine whether these phenomena extend to higher frequencies. The sample is comprised of sources identified with both quasars and galaxies, possesssing compact, double and complex structures. We have determined rotation measures for all significantly polarized sources in this sample, and present a number of comparisons between the polarization levels of

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