Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002apj...568..432r&link_type=abstract
The Astrophysical Journal, Volume 568, Issue 1, pp. 432-435.
Astronomy and Astrophysics
Astronomy
10
Balloons, Instrumentation: Detectors, Stars: Imaging, Telescopes, X-Rays: General
Scientific paper
We are developing a balloon-borne hard X-ray telescope that utilizes grazing-incidence optics. Termed HERO, for High-Energy Replicated Optics, the instrument will provide unprecedented sensitivity in the hard X-ray region and will achieve millicrab-level sensitivity in a typical 3 hr balloon-flight observation and 50 μcrab sensitivity on ultralong-duration flights. A recent proof-of-concept flight, featuring a small number of mirror shells, captured the first focused hard X-ray images of galactic X-ray sources. Full details of the payload, its expected future performance, and its recent measurements are provided.
Alexander Cheryl D.
Apple Jeff A.
Benson Carl M.
Dietz Kurtis L.
Elsner Ronald F.
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