Pulsar observations at decametric wavelengths using a swept-frequency dedisperser

Details Pulsar observations at decametric wavelengths using a swept-frequency dedisperser Pulsar observations at decametric wavelengths using a swept-frequency dedisperser

Sep 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994japa...15..329d&link_type=abstract

Journal of Astrophysics and Astronomy (ISSN 0250-6335), vol. 15, no. 3, p. 329-341

Astronomy and Astrophysics

Astronomy

6

Decametric Waves, Frequency Scanning, Power Spectra, Pulsars, Pulse Duration, Radio Astronomy, Time Discrimination, Wave Dispersion, Amplification, Calibrating, Radio Observation, Radio Receivers, Spectrum Analysis

Scientific paper

In this paper, we describe pulsar observations at decametric wavelengths using the Gauribidanur Radio Telescope made subsequent to our earlier measurements (Deshpande & Radhakrishnan 1992). To improve the time-resolution in our measurements of pulse profiles, we have used the 'swept-frequency dedispersion' method with some modifications to suit its applications at such low radio frequencies. We also present a new scheme that simplifies the calibration of the receiver gain characteristics. We present average profiles on four pulsars from these improved measurements at 34.5 MHz.

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