Scientific Performance of the CALET Instrument for the 20MeV-10TeV Gamma-Ray Observation
Abstract
We are proposing CALorimetric Electron telescope (CALET) instrument for the observation of a few GeV-10 TeV electrons at the exposed Facility of the Japanese experiment module (JEM-EF) of the International Space Station (ISS). In addition to electron observations, CALET is also capable of observing gammarays in the energy range of 20 MeV to 10 TeV with a high energy resolution of 2.8 % and a good angular resolution of ∼0.06 deg at 100 GeV. In addition, the ISS orbit enables CALET to survey all of the sky in a wide field of view of 2 sr without attitude control of the instrument. This brings us a unique opportunity to observe gamma-ray sources with an exposure of several 10 days a year for point sources. CALET has a capability of measuring the energy spectra of gamma-ray sources with a high sensitivity under sufficiently low background of protons and electrons.
- Publication:
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International Cosmic Ray Conference
- Pub Date:
- July 2003
- Bibcode:
- 2003ICRC....5.2791Y