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Downtime
STScI will be performing network upgrades on the following dates:
  • Sat 8 May 2021, 7:00 AM - 4:00 PM EDT (11:00 - 20:00 UTC)
  • Sun 9 May 2021, 7:00 AM - 4:00 PM EDT (11:00 - 20:00 UTC)
Services may be unavailable or interrupted during these times.

HUT Related Software

Visit our page that provides a very brief tutorial on how to read extracted HUT cal.fits files in IDL.

You may also click here to download the package of C routines provided by the HUT team to extract spectra from the time-tagged photon lists (idf.fits files). The download is a gzipped tarball containing the necessary C programs, Makefile, and a README.