PANCHROMATIC OBSERVATIONS OF SN 2011dh POINT TO A COMPACT PROGENITOR STAR

@article{Soderberg2012PANCHROMATICOO,
  title={PANCHROMATIC OBSERVATIONS OF SN 2011dh POINT TO A COMPACT PROGENITOR STAR},
  author={Alicia Margarita Soderberg and Raffaella Margutti and Bevin Ashley Zauderer and Mark J Krauss and Boaz Katz and Laura Beth Chomiuk and Jason A. Dittmann and Ehud Nakar and Takanori Sakamoto and Nobuyuki Kawai and K. Hurley and Scott Barthelmy and Takahiro Toizumi and Masayuki Morii and Roger Chevalier and Mark Andrew Gurwell and Glen Raymond Petitpas and M. Rupen and Keith Duane Alexander and Emily M. Levesque and C Fransson and Andreas Brunthaler and Michael F. Bietenholz and Nikolai N. Chugai and Jonathan E. Grindlay and Antonio Copete and Valerie Connaughton and Michael Briggs and Charles A. Meegan and Andreas von Kienlin and Xiaoqin Zhang and A. Rau and Sergey Golenetskii and E. P. Mazets and Tom Cline},
  journal={The Astrophysical Journal},
  year={2012},
  volume={752},
  pages={78}
}
  • Alicia Margarita Soderberg, Raffaella Margutti, +32 authors Tom Cline
  • Published 2012
  • Physics
  • The Astrophysical Journal
  • – 3 –the first three weeks after explosion. Combining these observations with earlyoptical photometry, we show that the panchromatic dataset is well-described bynon-thermal synchrotron emission (radio/mm) with inverse Compton scattering(X-ray) of a thermal population of optical photons. We derive the properties ofthe shockwave and the circumstellar environment and find a time-averaged shockvelocity of v ≈ 0.1c and a progenitor mass loss rate of M˙ ≈ 6 × 10 

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