Status of the Dark Energy Survey Camera

Details Status of the Dark Energy Survey Camera Status of the Dark Energy Survey Camera

Mar 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aas...21116009k&link_type=abstract

American Astronomical Society, AAS Meeting #211, #160.09

Astronomy and Astrophysics

Astronomy

Scientific paper

The Dark Energy Survey Camera (DECam) is an extremely red-sensitive 500 megapixel camera that will be mounted at the prime focus of the Blanco 4m. telescope at Cerro-Tololo Interamerican Observatory. In survey mode ( 30% of the duty cycle) DECam will obtain high precision multi-bandpass observations over 5000 sq. degrees near the South Galactic Pole. The goal is to extract information on the dark energy equation of state, w(t), from four distinct analyses:
1) Cluster counting and spatial distribution of clusters at 0.12) Determination of the galaxy angular power spectrum as a function of z
3) Weak lensing measurements in redshift shells to z 1
4) Time-series observations of 2000 supernovae at 0.3We report on the recent progress in realizing the design of the DECam instrument, and discuss the current simulation and observational efforts that bear on the expected results of the Dark Energy Survey.

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