Astronomy and Astrophysics – Astrophysics
Scientific paper
Nov 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994a%26as..107..515k&link_type=abstract
Astronomy and Astrophysics Suppl. 107, 515-526 (1994)
Astronomy and Astrophysics
Astrophysics
96
Pulsars: General, Methods: Data Analysis
Scientific paper
We describe the results obtained from the analysis of pulsar profiles at several frequencies. Details are given of a unique procedure for determining the number of components of a profile and fitting them with Gaussians. All high S/N pulsar profiles can be accurately described using only a small number (usually <=5) of Gaussian components. The method allows an unambiguous and unique determination of profile characteristics such as the profile width, the number, widths and positions of components. As a result, we are able to characterize the spectral development of a pulsar's profile and make inferences about the emission geometry. We give precise opening angles, their frequency dependence and the radius to frequency dependence of the emission for several pulsars.
Gil Janusz A.
Jessner Axel
Kramer Mallie Mae
Seiradakis John H.
Wielebinski Richard
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