Polarimetric observations of 20 weak pulsars at 1700 MHz

Details Polarimetric observations of 20 weak pulsars at 1700 MHz Polarimetric observations of 20 weak pulsars at 1700 MHz

Jan 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991a%26a...241...87x&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 241, no. 1, Jan. 1991, p. 87-97. Research supported by Max-Planck-Institut für

Astronomy and Astrophysics

Astrophysics

17

Polarimetry, Pulsars, Calibrating, Emission Spectra, Radio Telescopes, Stellar Evolution, Stellar Models

Scientific paper

Average polarization profiles are presented for 20 radio pulsars at 1700 MHz made with the 100-m Bonn radio telescope. All four Stokes parameters were appropriately delayed in a linear dedisperser to correct the interstellar dispersion on-line. The sample includes a number of complex profiles which were observed polarimetrically for the first time at high frequency, with the aim of describing their frequency evolution. Classification of the corrected profiles is attempted according to the empirical pulsar model described by Rankin (1983). For a number of these objects, the evolutionary scenario is in good agreement with that predicted by the model. Furthermore, the results support the correlation between the profile types and the physical parameters B(12)/P2 or 1/Q.

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