Astronomy and Astrophysics – Astrophysics
Scientific paper
Aug 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990aipc..211..234h&link_type=abstract
IN: High-energy astrophysics in the 21st century; Proceedings of the Workshop, Taos, NM, Dec. 11-14, 1989 (A91-47977 20-90). New
Astronomy and Astrophysics
Astrophysics
Cosmic Rays, Gamma Ray Spectrometers, Gamma Ray Bursts, Neutron Stars, Transient Response
Scientific paper
The TTTS for a Space Station configuration is presented. Monte Carlo simulations were performed to analyze the expected background and the resulting sensitivity to transient events. Unlike many hard X-ray and gamma-ray instruments, TTTS does not operate in a background-limited mode due to the intensity of most bursts. The 3-sigma narrow line sensitivity is estimated to be between 0.01 and 0.1 photons/sq cm sec depending on the energy, and the 3-sigma continuum detection flux limit is estimated to be around 10 to the -7th erg/sq cm sec above 30 keV. For intense bursts, the present simulations indicate that TTTS is sensitive to 10- to 50-percent linear polarization, and that their detection rate should be about five per year.
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