DECam Prototype Observations for Calibration of the Dark Energy Survey

Details DECam Prototype Observations for Calibration of the Dark Energy Survey DECam Prototype Observations for Calibration of the Dark Energy Survey

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21723901k&link_type=abstract

American Astronomical Society, AAS Meeting #217, #239.01; Bulletin of the American Astronomical Society, Vol. 43, 2011

Astronomy and Astrophysics

Astronomy

Scientific paper

The Dark Energy Survey (DES) makes use of the Dark Energy Camera (DECam) to survey approximately 1/4 of the southern sky in order to observe supernovae, galaxy clusters, baryon acoustic oscillations, and weak gravitational lensing, with the ultimate goal of obtaining unprecedented constraints on the Dark Energy Equation of State. A Prototype Dark Energy Camera (PreCam) has been fully operational since September 2010, more than a year prior to the start of DES. It serves not only as a testbed for DECam hardware and software, but also as a means to make standard star calibration measurements throughout the proposed DES footprint. We describe the current status of the PreCam observations, as well as its calibration goals and expected contribution to the overall scientific output of DES.

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