Pulsars as instrumental polarization calibrators

Details Pulsars as instrumental polarization calibrators Pulsars as instrumental polarization calibrators

Aug 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991a%26a...248..323x&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 248, no. 1, Aug. 1991, p. 323-327. Research supported by NSF.

Astronomy and Astrophysics

Astronomy

13

Astronomical Polarimetry, Circular Polarization, Linear Polarization, Pulsars, Calibrating, Radio Astronomy, Radio Telescopes

Scientific paper

A method is proposed whereby the unique polarization properties of radio pulsars are used to calibrate radio polarimeters and to monitor their stability. The method allows for the instrumental distortion of both linear and circular polarization. Since pulsars are point sources, the estimation of the polarization matrix is not affected by the source size and complexities of the source environment. The use of this approach to evaluate the performance of the 18-cm Effelsberg radio telescope receiving system is discussed.

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