Telescope Data Center

TRES Echelle Spectrograph

TRES ThAr Image
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TRES (Tillinghast Reflector Echelle Spectrograph) is a fiber-fed (sky+object+calibration spectrum) optical echelle spectrograph on the 1.5-meter Tillinghast telescope at the Smithsonian Astrophysical Observatory's Fred L. Whipple Observatory on Mt. Hopkins in Arizona.

[TRES instrument page]

  • TRES instrument paper [Acrobat PDF (381K)]
  • TRES first light (June 2007)
  • TRES commissioning (September 2007)
  • Observing



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    Modified 2013-October-25 by Jessica Mink