BBXRT
The
Broad Band X-ray Telescope (BBXRT) was flown on the space shuttle Columbia
(STS-35) on 1990 December 2-December 11, as part of the ASTRO-1 payload. The
flight of BBXRT marked the first opportunity for performing X-ray observations
over a broad energy range (0.3-12 keV) with a moderate energy resolution
(typically 90 eV and 150 eV at 1 and 6 keV, respectively).
This energy
resolution, coupled with an extremely low detector background, made BBXRT a
very powerful tool for the study of continuum and line emission from cosmic
sources. The observing program was designed to be an even mix of Galactic and
extragalactic targets, although the Galactic Center region was not available
due to the time of year that BBXRT was launched.
Source: wikipedia, NASA
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