21 September 2012 CASTOR: the Cosmological Advanced Survey Telescope for Optical and Ultraviolet Research
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Abstract
The Cosmological Advanced Survey Telescope for Optical and UV Research (CASTOR) is a proposed CSA mission that would make a unique, powerful, and lasting contribution to astrophysics by providing panoramic, high-resolution imaging in the UV/optical (0.15 - 0.55 μm) spectral region. This versatile `smallSAT'-class mission would far surpass any ground-based optical telescope in terms of angular resolution, and would provide ultra-deep imaging in three broad lters to supplement longer-wavelength data from planned international dark energy missions (Euclid, WFIRST) as well as from the ground-based Large Synoptic Survey Telescope (LSST). Combining the largest focal plane ever own in space, with an innovative optical design that delivers HST-quality images over a eld two orders of magnitude larger than Hubble Space Telescope (HST), CASTOR would image about 1/8th of the sky to a (u-band) depth ~1 magnitude fainter than will be possible with LSST even after a decade of operations. No planned or proposed astronomical facility would exceed CASTOR in its potential for discovery at these wavelengths.
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Patrick Côte, Alan Scott, Michael Balogh, Ron Buckingham, David Aldridge, Ray Carlberg, Weiguo Chen, Jean Dupuis, Clinton Evans, Laurent Drissen, Wes Fraser, Frederic Grandmont, Paul Harrison, John Hutchings, JJ Kavelaars, John-Thomas Landry, Christian Lange, Denis Laurin, Tarun Patel, Venka Pillay, Louis Piche, Andres Rader, Carmelle Robert, Marchin Sawicki, Robert Sorba, Guillaume Theriault, Ludovic Van Waerbeke, "CASTOR: the Cosmological Advanced Survey Telescope for Optical and Ultraviolet Research", Proc. SPIE 8442, Space Telescopes and Instrumentation 2012: Optical, Infrared, and Millimeter Wave, 844215 (21 September 2012); doi: 10.1117/12.926198; https://doi.org/10.1117/12.926198
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