Computer Science – Performance
Scientific paper
Mar 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008head...10.1212p&link_type=abstract
American Astronomical Society, HEAD meeting #10, #12.12
Computer Science
Performance
Scientific paper
The AGILE satellite launched in April 2007 is a mission devoted to gamma-ray observations in the 30 MeV-50 GeV range, with simultaneous X-ray imaging in the 18-60 keV band. AGILE is characterized by the smallest deadtime ever achieved for gamma-ray detection ( 200 microseconds) and absolute time tagging few microseconds precision.
We present the first results on gamma-ray pulsars obtained during the early stages of the AGILE mission. More than 10,000 gamma-ray photons from the known pulsars Vela, Geminga, Crab and J1709-4429 have been collected for timing performances evaluation and calibration of the Gamma-Ray Imaging Detector (GRID).
These early observations open new perspectives on the multiwavelength studies of pulsars light-curves.
The wide field-of-view of the GRID ( 1/5 of the sky) permits long monitoring campaigns on each target (1-2 months) allowing the study of timing instabilities and possibly related high-energy emission fluctuations of gamma-ray sources.
In fact the Vela pulsar underwent a glitch during the AGILE calibration observations, thus offering for the first time the possibility to obtain high-energy data during such a phenomenon. Photon statistics for gamma-ray pulsation searches is constantly increasing and gives us the possibility to detect several young and energetic radio pulsars discovered after the end of the CGRO mission.
AGILE Team
Pellizzoni Alberto
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