Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006head....9.1822c&link_type=abstract
American Astronomical Society, HEAD meeting #9, #18.22; Bulletin of the American Astronomical Society, Vol. 38, p.385
Astronomy and Astrophysics
Astronomy
Scientific paper
The Black Hole Finder Probe is designed to survey the local Universe for black holes as part of NASA's Beyond Einstein program. CASTER (Coded Aperture Survey Telescope for Energetic Radiation) is a concept for a hard X-ray coded aperture imaging instrument operating in the 10-600 keV energy band with wide field of view and approximately 10 minute of arc angular resolution. With a detector area of approximately 6 m2, CASTER will obtain a 5σ narrow line sensitivity at 511 keV approaching 10-7 photons cm-2sec-1. In order to fit a 6 m2 detector array into the constraints of a medium-sized ($400-600M) Beyond Einstein probe mission, CASTER uses newly developed lanthanum halide scintillator planes. We describe the CASTER design, demonstrate the sensitivity and resolution measured with cerium-doped lanthanum bromide and lanthanum chloride scintillators, and discuss the results expected from a CASTER mission.
Bloser Peter F.
Budden Brent S.
Case Gary L.
Cherry Michael
Cravens James P.
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