kb/data/en.wikipedia.org/wiki/Broad_Band_X-ray_Telescope-0.md

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Broad Band X-ray Telescope 1/1 https://en.wikipedia.org/wiki/Broad_Band_X-ray_Telescope reference science, encyclopedia 2026-05-05T13:20:51.333582+00:00 kb-cron

The Broad Band X-ray Telescope (BBXRT) was flown on the Space Shuttle Columbia (STS-35) from December 2 through December 11, 1990 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). BBXRT was co-mounted with three ultraviolet telescopes HUT, WUPPE, and HIT for Astro-1 in 1990. This was, "..the first focusing X-ray telescope operating over a broad energy range 0.3-12 keV with a moderate energy resolution (90 eV at 1 keV and 150eV at 6 keV)." according to NASA.

== Hardware ==

== See also == Spacelab X-ray astronomy List of X-ray space telescopes

== References ==

== External links == Broad Band X-ray Telescope (BBXRT. GSFC. NASA) on the internet