EXIST OIRT Camera and Spectrometer

Details EXIST OIRT Camera and Spectrometer EXIST OIRT Camera and Spectrometer

Jan 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21345307k&link_type=abstract

American Astronomical Society, AAS Meeting #213, #453.07; Bulletin of the American Astronomical Society, Vol. 41, p.349

Astronomy and Astrophysics

Astronomy

Scientific paper

The EXIST mission includes a 1.1m infrared and visible telescope which provides the capability to locate, identify, and obtain spectra of GRB afterglows at redshifts up to z 20. To allow rapid identification and spectroscopic follow up, the instruments will provide wide band imaging, covering the full error circle of the Gamma Ray Telescope (GRT), low spectral resolution slitless spectroscopy, and high resolution integral field spectroscopy. The integral field unit will have a small field of view of 2" x 2" to study diffuse objects, e.g. GRB host galaxies. The instrumentation capabilities will allow this telescope quickly identify the afterglow, measure its brightness curves, redshift, measure spectral characteristics of the GRBs, and measure absorption spectra of the intervening intergalactic medium. With this instrument, high redshift GRBs become important tools for observing the processes through which the universe is ionized.

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