摘要:

The Solar Tower Atmospheric Cherenkov Effect Experiment (STACEE) represents a new type of atmospheric Cherenkov detector that achieves a low energy threshold for &ggr;-ray detection by using heliostat mirrors in a pre-existing solar research facility. STACEE is designed to study astrophysical sources of &ggr;-rays in the energy range of 50 to 500 GeV. A prototype of the experiment using 32 heliostats (STACEE-32) has previously detected the Crab nebula at high significance, demonstrating the viability of the technique. The completed version of STACEE will use 64 heliostats, and will have a total collection area of ∼2300 m2. Astrophysics in the 10 to 300 GeV regime has proved to be elusive to both ground-based and satellite experiments and STACEE has the potential of filling an important niche in high energy astrophysics. Here we describe the current status and future goals of STACEE. ©2001 American Institute of Physics.

ISSN:0094-243X    

DOI:10.1063/1.1419522

出版商:AIP    

年代:1901

数据来源: AIP

摘要:

Ground-based telescopes play a role that is complementary to satellite based gamma ray detectors and are expected to provide a rich data set in the 50 GeV-1 TeV region. Heliostat arrays provide a way of making sensitive observations in this energy regime at an economical cost. With close to 2000 heliostat mirrors, the Keck Solar Two Gamma Ray Observatory near Barstow, CA, is the largest such facility in the world, and thus has the potential of being one of the most sensitive gamma ray detectors. A 32-channel camera is now operational: we discuss the current status and future prospects for the instrument. ©2001 American Institute of Physics.

ISSN:0094-243X    

DOI:10.1063/1.1419523

出版商:AIP    

年代:1901

数据来源: AIP

摘要:

The status of ground-based gamma-ray astronomy, in terms of current and planned observatories, is reviewed. ©2001 American Institute of Physics.

ISSN:0094-243X    

DOI:10.1063/1.1419524

出版商:AIP    

年代:1901

数据来源: AIP