A Blind Search for Pulsars in EGRET Data using a Time Differencing Technique

Details A Blind Search for Pulsars in EGRET Data using a Time Differencing Technique A Blind Search for Pulsars in EGRET Data using a Time Differencing Technique

Jul 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aipc..921..433z&link_type=abstract

THE FIRST GLAST SYMPOSIUM. AIP Conference Proceedings, Volume 921, pp. 433-435 (2007).

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Computation

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Pulsars, Gamma-Ray Sources, Gamma-Ray Bursts

Scientific paper

Most of the sources in the galactic plane detected by the EGRET instrument on board the Compton Gamma-Ray Observatory still remain unidentified. The energy spectra of some of the sources suggest that the gamma-ray emission originates from pulsars. Detecting pulsed gamma-ray emission without prior knowledge of the pulsar spin parameters is exceedingly difficult. Standard pulsar blind searches rely on the execution of long FFTs, which use a large amount of computational power. We present a pulsar blind search, based on our Time Differencing Technique, that can be carried out more economically, in this example on a standard office PC. To prove the concept of this search method we conducted a blind periodicity search on all 271 sources from the 3rd EGRET catalog.

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