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The Carnegie Supernova Project I: Third Photometry Data Release of Low-Redshift Type Ia Supernovae and Other White Dwarf Explosions
Kevin Krisciunas, Carlos Contreras, Christopher R. Burns +27
We present final natural system optical (ugriBV) and near-infrared (YJH) photometry of 134 supernovae (SNe) with probable white dwarf progenitors that were observed in 2004-2009 as…
The Dark Energy Camera
B. Flaugher, H. T. Diehl, K. Honscheid +115
The Dark Energy Camera is a new imager with a 2.2-degree diameter field of view mounted at the prime focus of the Victor M. Blanco 4-meter telescope on Cerro Tololo near La Serena,…
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…
aTmcam: A Simple Atmospheric Transmission Monitoring Camera For Sub 1% Photometric Precision
Ting Li, D. L. DePoy, R. Kessler +8
Traditional color and airmass corrections can typically achieve ~0.02 mag precision in photometric observing conditions. A major limiting factor is the variability in atmospheric t…
PreCam, a Precursor Observational Campaign for Calibration of the Dark Energy Survey
K. Kuehn, S. Kuhlmann, S. Allam +40
PreCam, a precursor observational campaign supporting the Dark Energy Survey (DES), is designed to produce a photometric and astrometric catalog of nearly a hundred thousand standa…