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The Effect of Scattering on Pulsar Polarization Angle | X.H. Li & J.L. Han
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6 Aug 2003 | Journal: | Astron.Astrophys. 410 (2003) 253-256 | Subject: | astro-ph | Affiliation: | NAOC) & J.L. Han (NAOC | Abstract: | The low-frequency profiles of some pulsars manifest temporal broadening due to scattering, usually accompanied by flat polarization position angle (PA) curves. Assuming that the scattering works on the 4 Stokes parameters in the same way, we have simulated the effect of scattering on polarization profiles and find that the scattering can indeed flatten the PA curves. Since the higher-frequency profiles suffer less from scattering, they are convolved with scattering models to fit the observed low-frequency profiles. The calculated flat PA curves exactly reproduce the corresponding observations. | Source: | arXiv, astro-ph/0308095 | Services: | Forum | Review | PDF | Favorites |
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