Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aas...20513105t&link_type=abstract
American Astronomical Society Meeting 205, #131.05; Bulletin of the American Astronomical Society, Vol. 36, p.1559
Astronomy and Astrophysics
Astronomy
Scientific paper
The Supernova/Acceleration Probe (SNAP) will utilize an array of 36 2k x 2k NIR detectors with fixed filters in three bands covering wavelengths from 0.9 to 1.7 microns. In concert with a CCD array covering the visible wavelengths, these detectors will be used to detect and measure the luminosity of thousands of type IA supernova with a photometric precision of 2%. A R&D program is underway to develop science-grade NIR devices for use in the SNAP experiment. Both Raytheon Vision Systems and Rockwell Science Center are producing a series of NIR devices with the goal of a science grade detector meeting SNAP specifications. SNAP collaboration member laboratories have begun to characterize the first devices that have been produced. Read noise, dark current, quantum efficiency, intra-pixel variation, and stability have been identified as the most important characteristics needed to meet SNAP science goals. We present these goals and show how they lead to a set of science driven specifications for the SNAP NIR detectors.
SNAP Collaboration
Tarle Greg
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