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The Carbon-rich Type Ic SN 2007gr: The Photospheric Phase
Stockholm University, Faculty of Science, Department of Physics.
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2008 (English)In: Astrophysical Journal, ISSN 0004-637X, E-ISSN 1538-4357, Vol. 673, no 2, L155-L158 p.Article in journal (Refereed) Published
Abstract [en]

The first 2 months of spectroscopic and photometric monitoring of the nearby Type Ic SN 2007gr are presented. The very early discovery (less than 5 days after the explosion) and the relatively short distance of the host galaxy motivated an extensive observational campaign. SN 2007gr shows an average peak luminosity but unusually narrow spectral lines and an almost flat photospheric velocity profile. The detection of prominent carbon features in the spectra is shown and suggests a wide range in carbon abundance in stripped-envelope supernovae. SN 2007gr may be an important piece in the puzzle of the observed diversity of CC SNe.

Place, publisher, year, edition, pages
2008. Vol. 673, no 2, L155-L158 p.
Keyword [en]
Stars: Supernovae: General, supernovae: individual (SN 2007gr)
National Category
Physical Sciences
URN: urn:nbn:se:su:diva-52839DOI: 10.1086/527672ISI: 000255233000013OAI: diva2:389175
Available from: 2011-01-18 Created: 2011-01-18 Last updated: 2011-05-11Bibliographically approved

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