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The Detection of a Light Echo from the Type Ia Supernova 2006X in M100
Xiaofeng Wang, Weidong Li, Alexei V. Filippenko +3
We report the discovery of a light echo (LE) from the Type Ia supernova (SN) 2006X in the nearby galaxy M100. The presence of the LE is supported by analysis of both the Advanced C…
SN 2002cv: A Heavily Obscured Type Ia Supernova
N. Elias-Rosa, S. Benetti, M. Turatto +15
We present VRIJHK photometry, and optical and near-infrared spectroscopy, of the heavily extinguished Type Ia supernova (SN) 2002cv, located in NGC 3190, which is also the parent g…
Constraining Cosmic Evolution of Type Ia Supernovae
Ryan J. Foley, A. V. Filippenko, C. Aguilera +27
We present the first large-scale effort of creating composite spectra of high-redshift type Ia supernovae (SNe Ia) and comparing them to low-redshift counterparts. Through the ESSE…
The host galaxy of GRB031203: a new spectroscopic study
R. Margutti, G. Chincarini, S. Covino +11
The host galaxy of the long-duration gamma-ray burst (GRB) 031203 (HG031203) offers a precious opportunity to study in detail the environment of a nearby GRB. The aim is to better…
The Aspherical Properties of the Energetic Type Ic SN 2002ap as Inferred from its Nebular Spectra
P. A. Mazzali, K. S. Kawabata, K. Maeda +10
The nebular spectra of the broad-lined, SN 1998bw-like Type Ic SN 2002ap are studied by means of synthetic spectra. Two different modelling techniques are employed. In one techniqu…
Optical and Near-Infrared Observations of the Highly Reddened, Rapidly Expanding Type Ia Supernova 2006X in M100
Xiaofeng Wang, Weidong Li, Alexei V. Filippenko +14
We present extensive optical (UBVRI), near-infrared (JK) light curves and optical spectroscopy of the Type Ia supernova (SN) 2006X in the nearby galaxy NGC 4321 (M100). Our observa…