Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aps..apr.k3002g&link_type=abstract
American Physical Society, APS April Meeting, April 16-19, 2005, abstract #K3.002
Astronomy and Astrophysics
Astronomy
Scientific paper
Swift is a NASA Explorer mission that was launched on November 20, 2004. It is a multiwavelength observatory for transient astronomy. The goals of the mission are to determine the origin of gamma-ray bursts and their afterglows and use bursts to probe the early Universe. A wide-field gamma-ray camera will detect more than a hundred GRBs per year to 3 times fainter than BATSE. Sensitive narrow-field X- ray and UV/optical telescopes will be pointed at the burst location in 20 to 70 sec by an autonomously controlled ``swift" spacecraft. For each burst, arcsec positions will be determined and optical/UV/X-ray/gamma- ray spectrophotometry performed. The instrumentation is a combination of existing flight-spare hardware and design from XMM and Spectrum- X/JET-X contributed by collaborators in the UK and Italy and development of a coded-aperture camera with a large-area (˜0.5 square meter) CdZnTe detector array. The ground station in Malindi is contributed by the Italian Space Agency. .Key components of the mission are vigorous follow-up and outreach programs to engage the astronomical community and public in Swift. First results from the mission will be presented.
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