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IR Solar Observing from NSO/SP (1Jun93)
(from NSO, NOAO Newsletter No. 34, 1 June 1993)

Several successful observing runs using the VTT/Echelle and the Evans Solar
Facility Littrow spectrograph have proven the utility of these instruments for
near IR (1-2.5 um) spectroscopy using a HgCdTe array camera. This instrument is
based on a Rockwell TCM 1000C 128 x 128 pixel array. It has a high (> 70%) QE
over the 1-2.5 um range and large (3 x 10E7 electrons) well depth. The read
noise is about 1500 electrons, and the fastest read time is approximately 0.4 s.
This camera is being made available to outside observers on a trial, limited,
shared-risk basis. The instrument is currently not supported by NSO, but is
available via a cooperative agreement between NSO, Michigan State University
and the Wyoming Infrared Observatory.  Potential users should contact Jeff Kuhn
(jkuhn@noao.edu) for details on the camera and scheduling opportunities.

Jeff R. Kuhn

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