Polarization of individual pulses of radio pulsars at the low frequencies 40, 60, and 103 MHz

Details Polarization of individual pulses of radio pulsars at the low frequencies 40, 60, and 103 MHz Polarization of individual pulses of radio pulsars at the low frequencies 40, 60, and 103 MHz

Apr 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002arep...46..309s&link_type=abstract

Astronomy Reports, vol. 46, Issue 4, p.309-326

Astronomy and Astrophysics

Astronomy

3

Scientific paper

Measurements of the linear polarization of individual pulses at 40, 60, and 103 MHz are presented for ten pulsars. The degree and position angle of a linear polarization were measured with a temporal resolution of 1 7 ms, and the longitudinal distributions of these parameters were constructed for each pulsar at one or more of these frequencies. These are the first such measurements for pulsars B0031-07, B0320 + 39, B0628-28, and B2217 + 47. Apart from B0628-28, all the pulsars are characterized by the simultaneous presence of orthogonal polarization modes in at least one component of the integral profile. The secondary polarization mode increases at frequencies ≤100 MHz for pulsars whose integrated pulses contain pairs of conal components (B0031-07, B0329 + 54, B0834 + 06, B1133 + 16, B2020 + 28). This is manifested both as an expansion of the longitudinal range where the secondary polarization mode is observed and an increase in its contribution to the emission at a given longitude. New data confirming the dependence of the linear polarization of individual pulses on the intensity and mode of the pulsar emission have been obtained.

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