Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aas...20510806k&link_type=abstract
American Astronomical Society Meeting 205, #108.06; Bulletin of the American Astronomical Society, Vol. 36, p.1528
Astronomy and Astrophysics
Astronomy
1
Scientific paper
The Large Synoptic Survey Telescope will be a large aperture, large field-of-view ground-based telescope operating in the visible band. It is designed to provide a synoptic survey of a major fraction of the sky in five color bands, on timescales ranging from minutes to days. The database generated by the LSST will be amenable to a wide variety of scientific analyses, ranging from searches for moving bodies in the solar system to the mapping of the dark matter distribution as a function of redshift through weak lensing.
The LSST camera will be the largest digital camera ever built. As such, its design presents a number of challenges. The field of view will be 3.5 degrees in diameter and will be sampled by a 3 billion pixel array of sensors. The entire array must be readout in under 2 s, which leads to demanding constraints on the sensor architecture and the readout electronics. In addition, given the fast optical beam (f 1.2), the build tolerances on the assembly and alignment of the focal plane are tight. The camera incorporates three very large refractive lenses, and an array of five large filters.
We will present an overview of the overall camera design, with an emphasis on key aspects of our development program. Parallel posters will discuss the details of the sensor development and of the opto-mechanical subsystems.
Kahn Steve M.
LSST Camera
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