SpeX: a medium-resolution IR spectrograph for IRTF

Details SpeX: a medium-resolution IR spectrograph for IRTF SpeX: a medium-resolution IR spectrograph for IRTF

Aug 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998spie.3354..468r&link_type=abstract

Proc. SPIE Vol. 3354, p. 468-479, Infrared Astronomical Instrumentation, Albert M. Fowler; Ed.

Astronomy and Astrophysics

Astronomy

31

Scientific paper

SpeX is a medium-resolution 0.8-5.5 micrometers cryogenic spectrograph being built at the Institute for Astronomy, University of Hawaii, for the NASA IR Telescope Facility on Mauna Kea. SpeX was funded by the National Science Foundation in July 1994. First-light is expected in 1999. The primary scientific driver of the instrument is to provide maximum simultaneous wavelength coverage at a spectral resolving power which is well-matched to many planetary, stellar and galactic features, and which adequately separates sky emission lines and disperses sky spectral resolutions of R approximately 1000-2000 simultaneously across 0.9-2.5 micrometers , 2.0-4.2 micrometers , or 2.4- 5.5 micrometers . SpeX will use an Aladdin II 1024 X 1024 InSb array in its spectrograph and an Aladdin II 512 X 512 InSb array in its IR slit-viewer.

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