Pulsar radiation patterns. III - Objects without synchronized drift across the window

Details Pulsar radiation patterns. III - Objects without synchronized drift across the window Pulsar radiation patterns. III - Objects without synchronized drift across the window

Jun 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977a%26a....58..303o&link_type=abstract

Astronomy and Astrophysics, vol. 58, no. 3, June 1977, p. 303-313.

Astronomy and Astrophysics

Astrophysics

25

Pulsars, Radiation Distribution, Stellar Radiation, Drift Rate, Graphs (Charts), Modal Response, Random Processes

Scientific paper

Four pulsars with double-peaked integrated profiles corresponding to an essentially central cut of the constant-latitude circle are studied with respect to their drift behavior. The same general properties as for objects with synchronized drift across the window are found, except that specific drift bands appearing on one edge of the window cannot be identified on the opposite edge; this is in agreement with the pattern of randomness and azimuthal variations exhibited by all pulsars. Occasionally a weak center component appears for which the presence or absence of drifting is not established. The situation is vastly different in the case of PSR 1237+25. On the basis of these data, the existence of at least two concentric rings of drift paths is postulated, and it is suggested that this pattern may be more common, hiding behind azimuthal variations of the notch type (PSR 1919+21) in geometries with tangential cuts.

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