Low-frequency polarimetry of the millisecond pulsar PSR1937 + 214

Details Low-frequency polarimetry of the millisecond pulsar PSR1937 + 214 Low-frequency polarimetry of the millisecond pulsar PSR1937 + 214

Nov 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983natur.306..349s&link_type=abstract

Nature (ISSN 0028-0836), vol. 306, Nov. 24, 1983, p. 349-351.

Astronomy and Astrophysics

Astronomy

14

Polarimetry, Pulsars, Radiation Measurement, Radio Astronomy, Circular Polarization, Frequency Response, Linear Polarization, Periodic Variations, Waveforms

Scientific paper

Polarimetric observations of the msec pulsar PSR1937+214 obtained using the 250-kHz Butterworth filters centered on 431 MHz and a Nyquist sampling interval of 4 microsec with the 305-m telescope at Arecibo Observatory on April 3, 1983, are reported. The polarization waveform is plotted as the synchronous average of 820,000 pulses smoothed to a time resolution of 16 microsec, corresponding to 3.6 deg of longitude. While main-pulse polarization is found to decrease with increasing frequency as in other pulsars, the interpulse polarization increases. Analysis of the position angles supports the hypothesis that the main pulse and interpulse originate at opposite magnetic poles.

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