Recent Type II Radio Supernovae
Christopher J. Stockdale, Matthew T. Kelley, Kurt W. Weiler, Nino, Panagia, Richard A. Sramek, J. M. Marcaide, Christopher L. M. Williams, and, Schuyler D. Van Dyk
TL;DR
This paper analyzes radio observations of several recent Type II supernovae, fitting models to their multi-frequency data to compare properties and discuss implications based on optical classification.
Contribution
It provides a comprehensive analysis of radio data for multiple Type II supernovae, applying parameterized models to understand their properties.
Findings
Radio properties vary with optical classification
Model fits reveal differences in supernova environments
Implications for supernova evolution and progenitor characteristics
Abstract
We present the results of radio observations, taken primarily with the Very Large Array, of Supernovae 1993J, 2001gd, 2001em, 2002hh, 2004dj, and 2004et. We have fit a parameterized model to the multi-frequency observations of each supernova. We compare the observed and derived radio properties of these supernovae by optical classification and discuss the implications.
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