TIFR Near Infrared Spectrometer and Imager (TIRSPEC)

D. K. Ojha, S. K. Ghosh, S. L. A. D'Costa, M. B. Naik, P. R. Sandimani, S. S. Poojary, S. B. Bhagat, R. B. Jadhav, G. S. Meshram and C. B. Bakalkar
Tata Institute of Fundamental Research, Homi Bhabha Road, Colaba, Mumbai 400 005, India


TIFR Near Infrared Spectrometer and Imager (TIRSPEC) which is based on 1024 x 1024 HgCdTe focal plane array (Rockwell HAWAII-1 PACE detector with imaging capabilities in 1 - 2.5 μm waveband range) at the focal plane of the 2 m Himalayan Chandra Telescope (HCT) will be a major workhorse for a variety of challenging astrophysical problems. This will be extremely sensitive to low temperature stellar photospheres (T ≤ 2500 K) and objects surrounded by warm dust envelopes or embedded in dust/molecular clouds. It is therefore particularly suited to the search for low and very low mass stellar populations (M/L dwarfs, brown dwarfs), strong mass-losing stars on the asymptotic giant branch, young stellar objects still in their protostellar envelopes and active galactic nuclei. \mbox{TIRSPEC} is being developed by Mauna Kea Infrared, LLC, Hawaii, USA (MKIR) in collaboration with the infrared astronomy group of TIFR.

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Keywords : instrumentation: detectors -- instrumentation: spectrographs