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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…
Evidence for Pre-Existing Dust in the Bright Type IIn SN 2010jl
J. E. Andrews, Geoffrey C. Clayton, R. Wesson +11
SN 2010jl was an extremely bright, Type IIn SNe which showed a significant IR excess no later than 90 days after explosion. We have obtained Spitzer 3.6 and 4.5 \mum and JHK observ…