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Pulsar Observations at Decameter Wavelengths using the Gauribidanur Telescope

Published online by Cambridge University Press:  27 September 2017

A. A. Deshpande
Affiliation:
Raman Research Institute
V. Radhakrishnan
Affiliation:
Raman Research Institute

Abstract

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We report measurement of pulse profiles at 34.5 MHz of 8 pulsars using the Decameter-wave Radio Telescope at Gauribidanur, India. The dispersion measures of these pulsars range from 3 to 35 pc cm–3. None of the pulsars show any significant interpulse emission at this frequency which conflicts with earlier claims from 25-MHz observations (Bruck and Ustimenko 1976, Bruck and Ustimenko 1977a, Bruck and Ustimenko 1979). The intrinsic pulse width of PSR 1919+21 at 34.5 MHz appears to be smaller than at higher frequencies. These observations were made during the period 1984-86 and were reported by Deshpande (1987).

Type
Part IV Form and spectra of emission beams
Copyright
Copyright © United States Naval Observatory 1992