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Characterization of the Reflectivity of Various Black Materials
Jennifer L. Marshall, Patrick Williams, Jean-Philippe Rheault +3
We present total and specular reflectance measurements of various materials that are commonly (and uncommonly) used to provide baffling and/or to minimize the effect of stray light…
Mass production of volume phase holographic gratings for the VIRUS spectrograph array
Taylor S. Chonis, Amy Frantz, Gary J. Hill +7
The Visible Integral-field Replicable Unit Spectrograph (VIRUS) is a baseline array of 150 copies of a simple, fiber-fed integral field spectrograph that will be deployed on the Ho…
Photometric redshift analysis in the Dark Energy Survey Science Verification data
C. Sánchez, M. Carrasco Kind, H. Lin +74
We present results from a study of the photometric redshift performance of the Dark Energy Survey (DES), using the early data from a Science Verification (SV) period of observation…
DECal: A Spectrophotometric Calibration System For DECam
J. L. Marshall, Jean-Philippe Rheault, D. L. DePoy +8
DECal is a new calibration system for the CTIO 4 m Blanco telescope. It is currently being installed as part of the Dark Energy Survey and will provide both broadband flat fields a…