Infrared imaging and spectroscopy with arrays at the University of Montreal

Details Infrared imaging and spectroscopy with arrays at the University of Montreal Infrared imaging and spectroscopy with arrays at the University of Montreal

Mar 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994exa.....3..143r&link_type=abstract

Experimental Astronomy, vol. 3, no. 1-4, p. 143-144

Astronomy and Astrophysics

Astronomy

Cameras, Cryostats, Infrared Astronomy, Infrared Detectors, Infrared Spectrometers, Infrared Telescopes, Near Infrared Radiation, Polarimeters, Reflecting Telescopes, Spectroscopic Telescopes, Arrays, Astronomical Polarimetry, Astronomical Spectroscopy, Liquid Nitrogen, Mercury Cadmium Tellurides

Scientific paper

The Montreal Infrared Camera (MONICA) consists of a LN2 cryostat enclosing a Near Infrared Camera and Multi-Object Spectrometer 3 (NICMOS3) array, re-imaging optics and a filter wheel mechanism containing broad-band and circular variable filters. A polarimetry mode with a warm half wave plate and a cold polarizer/filter combination is also supported. At the Canada-France-Hawaii Telescope (CFHT), 0.5 sec full width at half maximum images are routinely obtained with limiting magnitudes of 22.8 at J and 21.7 at K (signal to noise ratio = 3 in 1hr). The Spectrometre Infrarouge de Montreal (SIMON) is a versatile grating spectrometer with spectral resolutions ranging from 300 to 5000. Presently under construction, this spectrometer will initially contain a 512x512 HgCdTe array. Use of reflective optics will allow a future upgrade to a similar format InSb array, extending the wavelength coverage to 5 micrometers. SIMON will also have an imaging mode to facilitate the centering of objects within interchangeable slits.

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