Confined Dense Circumstellar Material Surrounding a Regular Type II Supernova

Ofer Yaron, D. A. Perley, A. Gal-Yam, J. H. Groh, Assaf Horesh, Eran O. Ofek, Shrinivas R. Kulkarni, J. Sollerman, C. Fransson, Mark A Rubin, P. Szabo, N. Sapir, F. Taddia, S. Bradley Cenko, I. Arcavi, D. A. Howell, Mansi M. Kasliwal, P.M. Vreeswijk, D. Khazov, O. D. FoxY Cao, O. Gnat, P. E. Nugent, Alexei V. Filippenko, R. R. Laher, P. R. Wozniak, U. D. Rebbapragada, K. Maguire, M. Sullivan, M. T. Soumagnac

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Abstract

With the advent of new wide-field, high-cadence optical transient surveys, our understanding of the diversity of core-collapse supernovae has grown tremendously in the last decade. However, the pre-supernova evolution of massive stars, that sets the physical backdrop to these violent events, is theoretically not well understood and difficult to probe observationally. Here we report the discovery of the supernova iPTF13dqy = SN 2013fs, a mere ~3 hr after explosion. Our rapid follow-up observations, which include multiwavelength photometry and extremely early (beginning at ~6 hr post-explosion) spectra, map the distribution of material in the immediate environment (
Original languageEnglish
Pages (from-to)510-521
Number of pages12
JournalNature Physics
Early online date13 Feb 2017
DOIs
Publication statusEarly online date - 13 Feb 2017

Keywords

  • Astrophysics - High Energy Astrophysical Phenomena

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    Yaron, O., Perley, D. A., Gal-Yam, A., Groh, J. H., Horesh, A., Ofek, E. O., Kulkarni, S. R., Sollerman, J., Fransson, C., Rubin, M. A., Szabo, P., Sapir, N., Taddia, F., Cenko, S. B., Arcavi, I., Howell, D. A., Kasliwal, M. M., Vreeswijk, P. M., Khazov, D., ... Soumagnac, M. T. (2017). Confined Dense Circumstellar Material Surrounding a Regular Type II Supernova. Nature Physics, 510-521. https://doi.org/10.1038/NPHYS4025