Circular polarization in PKS 1519-273

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dc.contributor.author Bennett, Wendy
dc.date.accessioned 2007-05-31T18:57:11Z
dc.date.available 2007-05-31T18:57:11Z
dc.date.issued 2007-05-31T18:57:11Z
dc.identifier.uri http://hdl.handle.net/2092/560
dc.description.abstract The intra-day variable BL Lac PKS 1519-273 exhibits variations at centimeter wavelengths in total intensity, linear polarization, and circular polarization. The variability is caused by scintillation due to the interstellar medium. PKS 1519-273 displays 4% circular polarization at 4.8 GHz and the variability has persisted as long as the source has been observed. We present observations of this source over several years, showing that the circularly polarized emission is highly variable on micro-arcsecond scales. We determine structural properties of the emission by examining the light curves and associated scintillation theory. en
dc.format.extent 2097387 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US
dc.relation.ispartofseries DUCURS 2006;2
dc.subject Radio galaxies en
dc.subject Radio sources (Astronomy) en
dc.subject Galaxies en
dc.title Circular polarization in PKS 1519-273 en
dc.type Presentation en


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  • DUCURS [193]
    Poster sessions and presentation from the Drake University Conference on Undergraduate Research in the Sciences held each April at Olmsted Center on the Drake campus.

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