An Analysis of Average Pulsar Profiles and A Study of the ρ-P relation of Pulsars

Details An Analysis of Average Pulsar Profiles and A Study of the ρ-P relation of Pulsars An Analysis of Average Pulsar Profiles and A Study of the ρ-P relation of Pulsars

Oct 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003chjaa...3..469w&link_type=abstract

Chinese Journal of Astronomy & Astrophysics, Vol. 3, No. 5, p. 469-477

Astronomy and Astrophysics

Astrophysics

2

Stars: Pulsar: General, Line: Profiles

Scientific paper

Using the method of Gaussian Fit Separation of Average Profile (GFSAP), we re-examine the average profiles of nine pulsars at several frequencies, ranging from 408--1642 MHz. This method enables us to obtain the number of components for each pulsar, and the parameters for each component, the width, position and amplitude. The ρ-P relation for the inner cone and outer cone are studied separately, and the results are, respectively, ρ = P-0.51 ± 0.05 and ρ = P-0.42 ± 0.06. The results can be interpreted as a confirmation of the double-cone structure of pulsar emission beams. The altitudes of emission region, and the radius-to-frequency-map (RFM) are also examined; for the outer cone, we obtained r(ν)∝ ν-0.19 ± 0.09.

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