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9 papers
The Dark Energy Survey: more than dark energy - an overview
Dark Energy Survey Collaboration, T. Abbott, F. B. Abdalla +138
This overview article describes the legacy prospect and discovery potential of the Dark Energy Survey (DES) beyond cosmological studies, illustrating it with examples from the DES…
Optical and Infrared Analysis of Type II SN 2006BC
Joseph S. Gallagher, B. E. K. Sugerman, Geoffrey C. Clayton +8
We present nebular phase optical imaging and spectroscopy and near/mid-IR imaging of the Type II SN 2006bc. Observations reveal the central wavelength of the symmetric H line pr…
Late-time Light Curves of Type II Supernovae: Physical Properties of SNe and Their Environment
Masaaki Otsuka, Margaret Meixner, Nino Panagia +9
We present BVRIJHK band photometry of 6 core-collapse supernovae, SNe 1999bw, 2002hh, 2003gd, 2004et, 2005cs, and 2006bc measured at late epochs (>2 yrs) based on Hubble Space Tele…
The effects of dust on the optical and infrared evolution of SN 2004et
J. Fabbri, M. Otsuka, M. J. Barlow +8
We present an analysis of multi-epoch observations of the Type II-P supernova SN 2004et. New and archival optical spectra of SN 2004et are used to study the evolution of the Halpha…
Photometric and Spectroscopic Evolution of the Type IIP SN 2007it to Day 944
J. E. Andrews, B. E. K Sugerman, Geoffrey Clayton +9
SN 2007it is a bright, Type IIP supernova which shows indications of both pre-existing and newly formed dust. The visible photometry shows a bright late-time luminosity, powered by…
SN 2007od: A Type IIP SN with Circumstellar Interaction
J. E. Andrews, J. S. Gallagher, Geoffrey C. Clayton +9
SN 2007od exhibits characteristics that have rarely been seen in a Type IIP supernova (SN). Optical V band photometry reveals a very steep brightness decline between the plateau an…
The destruction and survival of dust in the shell around SN 2008S
R. Wesson, M. J. Barlow, B. Ercolano +8
SN 2008S erupted in early 2008 in the grand design spiral galaxy NGC 6946. The progenitor was detected by Prieto et al. in Spitzer Space Telescope images taken over the four years…
Massive-Star Supernovae as Major Dust Factories
Ben E. K. Sugerman, Barbara Ercolano, M. J. Barlow +15
We present late-time optical and mid-infrared observations of the Type-II supernova 2003gd in NGC 628. Mid-infrared excesses consistent with cooling dust in the ejecta are observed…
Detection of a massive dust shell around the Type II supernova SN 2002hh
M. J. Barlow, B. E. K. Sugerman, J. Fabbri +11
Dust emission from the Type II supernova SN 2002hh in NGC 6946 has been detected at mid-infrared wavelengths by the Spitzer Space Telescope from 590 to 758 days after outburst and…