CCD Mosaic Cameras: A Revolution in Astronomy

Details CCD Mosaic Cameras: A Revolution in Astronomy CCD Mosaic Cameras: A Revolution in Astronomy

Mar 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aps..mar.c6004m&link_type=abstract

American Physical Society, Annual March Meeting, March 20-24, 2000 Minneapolis, MN, abstract #C6.004

Astronomy and Astrophysics

Astronomy

Scientific paper

Since their debut in the 1970's, charge coupled devices have become the detector of choice for visible light astronomy, offering superior quantum efficiency and linearity over other detectors. A drawback of CCD arrays has been their small sizes, typically only a few cm^2 in area. However, steady increases in CCD production quality have now made mosaics of CCDs covering hundreds of cm^2 possible. In particular I will describe Megacam, a wide-field CCD imager being built for the MMT Observatory on Mt. Hopkins, Arizona. This camera will have 36 2048x4608 pixel CCDs and will view 0.4x0.4 degrees of the sky through a 6.5m telescope. With Megacam we will conduct surveys of the sky to search for, among others, faint outer solar system objects, distant quasars and supernovae, and gravitational distortions from dark matter.

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