The Gamma-ray Large Area Space Telescope (GLAST) is a high energy gamma-ray mission that has recently been included in the strategic plan of NASA's Office of Space Science. The mission is being studied and technology developed for flight in 2005 at a NASA cost of \325M. GLAST is designed to operate in the energy range from 10 MeV to 300 GeV with a factor of >30 improvement in sensitivity compared to EGRET. The scientific theme of GLAST is to identify and study nature's high-energy particle accelerators through observations of active galactic nuclei, pulsars, stellar-mass black holes, supernova remnants, gamma-ray bursts and the diffuse galactic and extragalactic high energy radiation. Several different technical approaches are being studied for the instrumentation with the requirements that the effective area be at least 8000 cm^2$ and the field of view be at least 2 steradians. The GLAST science objectives, technologies and observational capabilities will be described.
AAS/High Energy Astrophysics Division #4
- Pub Date:
- April 1999