NASA Infrared Telescope Facility (IRTF)

Mission Characteristics

Description: The IRTF is a 3.0 meter telescope, optimized for infrared observations, and located at the summit of Mauna Kea, Hawaiʻi. The observatory is operated and managed for NASA by the University of Hawaiʻi Institute for Astronomy.
Wavelength: 0.7 - 5.3 µm
Area Coverage: Targeted
Instruments: 3-m telescope with
  • SpeX medium-resolution spectrograph and imager (Rayner et al. 2003)
  • iSHELL high-resolution spectrograph and imager
  • Moris, MIRSI, CSHELL, NSFCAM, Apogee - not currently archived at IRSA
Time Coverage:
  • SpeX: semester 2016B (Aug. 1, 2016 start) onwards
  • iSHELL: semester 2017A (Feb. 1, 2017 start) onwards
Proprietary period is 18 months.
Science Products Generated: Observation data and calibration files

IRSA Services

NASA Infrared Telescope Facility (IRTF) Archive (Help) Interface to the NASA IRTF Archive

Other Resources:

NASA Infrared Telescope Facility NASA IRTF home page
SpeX Documentation Documentation for the SpeX medium-resolution spectrograph and imager
iSHELL Documentation Documentation for the iSHELL high-resolution spectrograph and imager