BBXRT

Broad Band X-Ray Telescope on ASTRO-1 shuttle flight (Dec. 1990)
Found on http://www.encyclo.co.uk/local/20040

BBXRT

(Broad-Band X-Ray Telescope) An instrument that formed part of the Astro-1 payload. Its flight gave the first opportunity for making 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, respective...
Found on http://www.daviddarling.info/encyclopedia/B/BBXRT.html
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