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26th of May 2022
Pulsar observations at Parkes
by Zhou et al.
Zhou et al. present the first flux density measurements, spectral indices, pulse profiles, and correlations of the spectral index with pulsar parameters for 19 pulsars employing the Ultra-Wideband Low (UWL) receiver on the Parkes radiotelescope, Murriyang. The figure above shows polarization profiles at 2368 MHz and 1369 MHz for PSR J1805+0306. The total intensity is shown in black, linearly-polarization, and circular-polarization are shown in red and blue respectively. At both frequencies, the profiles show two components with the leading part of the profile having relatively high fractional linear polarization, whereas the trailing part of the profile is essentially unpolarized, providing hints about pulsar emission mechanisms.

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