Mazzali, Paolo A. and Kawabata, Koji S. and Maeda, Keiichi and Nomoto, Ken'ichi and Filippenko, Alexei V. and Ramirez-Ruiz, Enrico and Benetti, Stefano and Pian, Elena and Deng, Jinsong and Tominaga, Nozomu and Ohyama, Youichi and Iye, Masanori and Foley, Ryan J. and Matheson, Thomas and Wang, Lifan and Gal-Yam, Avishay (2005) An Asymmetric Energetic Type Ic Supernova Viewed Off-Axis, and a Link to Gamma Ray Bursts. Science, 308 (5726). pp. 1284-1287. ISSN 0036-8075. https://resolver.caltech.edu/CaltechAUTHORS:20141118-133639717
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Abstract
Type Ic supernovae, the explosions after the core collapse of massive stars that have previously lost their hydrogen and helium envelopes, are particularly interesting because of their link with long-duration gamma ray bursts. Although indications exist that these explosions are aspherical, direct evidence has been missing. Late-time observations of supernova SN 2003jd, a luminous type Ic supernova, provide such evidence. Recent Subaru and Keck spectra reveal double-peaked profiles in the nebular lines of neutral oxygen and magnesium. These profiles are different from those of known type Ic supernovae, with or without a gamma ray burst, and they can be understood if SN 2003jd was an aspherical axisymmetric explosion viewed from near the equatorial plane. If SN 2003jd was associated with a gamma ray burst, we missed the burst because it was pointing away from us.
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| Additional Information: | © 2005 American Association for the Advancement of Science. Received 22 February 2005; accepted 18 April 2005. This work is based on data collected at the Subaru telescope, operated by the NAOJ, and at the Keck telescopes made possible by the W. M. Keck Foundation. This research is supported in part by the Japan Society for the Promotion of Science and the Ministry of Education, Culture, Sports, Science, and Technology in Japan and by NSF in the USA. E.R.-R. is a Chandra Fellow and A.G.-Y. is a Hubble Fellow. | ||||||||||||||||||||
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| Issue or Number: | 5726 | ||||||||||||||||||||
| Record Number: | CaltechAUTHORS:20141118-133639717 | ||||||||||||||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20141118-133639717 | ||||||||||||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||||||||||
| ID Code: | 51913 | ||||||||||||||||||||
| Collection: | CaltechAUTHORS | ||||||||||||||||||||
| Deposited By: | Tony Diaz | ||||||||||||||||||||
| Deposited On: | 18 Nov 2014 21:49 | ||||||||||||||||||||
| Last Modified: | 09 Mar 2020 13:19 |
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