Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aas...20113401t&link_type=abstract
American Astronomical Society, 201st AAS Meeting, #134.01; Bulletin of the American Astronomical Society, Vol. 34, p.1317
Astronomy and Astrophysics
Astronomy
Scientific paper
A large wide-field telescope and camera with optical throughput over 200 sq.m sq.deg -- a factor of 50 beyond what we currently have -- would enable the detection of faint moving or bursting optical objects: from Earth threatening asteroids to energetic events at the edge of the optical universe. An optimized design for LSST is a 8.4 m telescope with a 3 degree field of view and an optical throughput of 260 sq.m sq.deg. With its large throughput and dedicated all-sky monitoring mode, the LSST will reach 24th magnitude in a single 10 second exposure, opening unexplored regions of astronomical parameter space. The heart of the 2.3 Gpixel camera will be an array of imager modules with 10 micron pixels. Once each month LSST will survey up to 14,000 sq.deg of the sky with many 10 second exposures. Over time LSST will survey 30,000 sq.deg deeply in multiple bandpasses, enabling innovative investigations ranging from galactic structure to cosmology. This is a shift in paradigm for optical astronomy: from "survey follow-up" to "survey direct science." The resulting real-time data products and fifteen petabyte time-tagged imaging database and photometric catalog will provide a unique resource. A collaboration of 80 engineers and scientists is gearing up to confront this exciting challenge.
LSST Collaboration
Tyson Anthony J.
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