Polarization Observations of Giant Radio Pulses from the Millisecond Pulsar B1937+21 at a Frequency of 600 MHz

Details Polarization Observations of Giant Radio Pulses from the Millisecond Pulsar B1937+21 at a Frequency of 600 MHz Polarization Observations of Giant Radio Pulses from the Millisecond Pulsar B1937+21 at a Frequency of 600 MHz

Feb 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004astl...30...95p&link_type=abstract

Astronomy Letters, vol. 30, p. 95-99 (2004)

Astronomy and Astrophysics

Astronomy

7

Scientific paper

We performed polarization observations of giant radio pulses from the millisecond pulsar B1937+21. The observations were carried out in July 2002 with the 64-m Kalyazin radio telescope at a frequency of 600 MHz in two polarization channels with left- and right-hand circular polarizations (RCP and LCP). We used the S2 data acquisition system with a time resolution of 125 ns. The duration of an observing session was 20 min. We detected twelve giant radio pulses with peak flux densities higher than 1000 Jy; five and seven of these pulses appeared in the RCP and LCP channels, respectively. We found no event that exceeded the established detection threshold simultaneously in the two polarization channels. Thus, we may conclude that the detected giant pulses have a high degree of circular polarization, with the frequency of occurrence of RCP and LCP pulses being the same.

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