Computer Science – Databases
Scientific paper
Jan 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21545314b&link_type=abstract
American Astronomical Society, AAS Meeting #215, #453.14; Bulletin of the American Astronomical Society, Vol. 42, p.465
Computer Science
Databases
Scientific paper
We present a qualitative study of the average pulse profiles of pulsars with drifting subpulses using a non-radial oscillation model for pulsars. This model explains the wide range of pulsar morphology. We selected 14 pulsars from archival data gathered from published literature and online databases. At three different frequencies, we compared the observed signals of the selected pulsars with the average pulse shape predicted by the non-radial oscillation model. Of the various geometric and pulsational parameters in the model, we only varied a limited number of parameters. These parameters were then used to create synthetic data. The synthetic data was compared to the archival data based on qualitative comparisons between the average total intensity, average linear polarization, polarization angle swing, and the subpulse period. In all cases, a close match was found between the the non-radial oscillation model and each of the observed pulsars at three different observational frequencies.This work was done on a Research Experience for Teachers (RET) Grant at NRAO Greenbank, WV.
Bartlett Stephen
Rosen Rachel
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