On Thursday, May 23 from 6:00 PM through midnight ET there will be network maintenance. Some archive services maybe affected for short periods of time.
Tübingen Echelle Spectrograph
The Tübingen Echelle Spectrograph (TUES), designed and
managed at the University of Tübingen, flew on the
Orbiting and Retrievable Far and Extreme Ultraviolet Spectrograph
(ORFEUS)-SPAS II space shuttle mission in 1996, returning spectra in the 900 Å to
1400 Å wavelength range. The instrument was designed to achieve a
spectral resolution of
/=10000 when used with
an entrance aperture of 10" diameter.
During the 17.7 day flight, TUES returned 239 spectra of 62 targets.
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