Computer Science – Performance
Scientific paper
Mar 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008head...10.2814m&link_type=abstract
American Astronomical Society, HEAD meeting #10, #28.14
Computer Science
Performance
Scientific paper
This presentation describes the aims, design, and planned performance of the balloon-borne soft gamma-ray polarimeter PoGOLite, a joint US/Swedish/Japanese experiment planned for deployment in 2011. The instrument is sensitive in the 25-80 keV bandpass, and relies on Compton scattering and photoabsorption in an array of 217 well-type phoswitch detector cells made of plastic and BGO scintillators surrounded by a BGO anti-coincidence shield and a thick polyethylene neutron shield. PoGOLite features a 2 x 2 degree field of view, with an effective area of 230 cm^2 at 40 keV. Owing to the good background rejection capability - verified at recent accelerator tests which will be described in the poster - the instrument should be capable of detecting 10% polarization from a 200 mCrab point-like sources over the bandpass of its sensitivity in 6 hours. This will allow sensitive studies of the structure of X-ray-emitting pulsars, binary systems, and, in the future, with long duration flights, also of jet-dominated active galaxies.
Madejski Grzegorz Maria
PoGOLite Collaboration
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