Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981a%26as...46..421m&link_type=abstract
Astronomy and Astrophysics Supplement Series, vol. 46, Dec. 1981, p. 421-472.
Astronomy and Astrophysics
Astronomy
56
High Frequencies, Northern Hemisphere, Polarization Characteristics, Pulsars, Radio Astronomy, Circular Polarization, Graphs (Charts), Linear Polarization, Radio Telescopes, Signal To Noise Ratios, Temporal Resolution
Scientific paper
Average pulse profiles and full polarization information are presented for 64 of the more intense Northern Hemisphere pulsars observed at high frequencies. Observations were made with the 100-m radiotelescope of the Max-Planck-Institut fuer Radioastronomie primarily at frequencies of 1720 and 2650 MHz, but also at 8700 MHz and 14.8 GHz, and included measurements of both linear and circular polarization. The results indicate a systematic narrowing of the pulse profile at high frequencies, and a decrease in the prominence of the central components in multi-component pulsars. A decrease in the average linear polarization at high frequencies is noted in all but two of the objects (PSR 1237+25 and PSR 2045-16), along with a general decrease in average circular polarization.
Bartel Norbert
Graham David A.
Morris Dave
Sieber W.
Thomasson Peter
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