Type Ib/c supernovae observations with VLBI

Z. Paragi, Alexander J. Van Der Horst, Chryssa Kouveliotou, Jonathan Granot, Enrico Ramirez-Ruiz, Greg Taylor

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Supernovae (SNe) Ib/c have drawn increasing attention since 1998 owing to their sparse association with long duration gamma-ray bursts (GRBs). Although both phenomena originate from the core collapse of a massive star, the former release most of their energy at optical wavelengths, while the latter do it mostly in soft gamma-rays or hard X-rays. Moreover, the GRB central engine generates ultra-relativistic jets, which beam the early emission into a small narrow cone; no relativistic outflows have yet been found in SNe Ib/c explosions. We show results from very long baseline interferometry (VLBI) observations of three supernovae, one of which appears to have produced a collimated, mildly relativistic outflow.

Original languageEnglish
Article number044
JournalProceedings of Science
StatePublished - 2010
Externally publishedYes
Event2010 ISKAF Science Meeting, ISKAF 2010 - Assen, Netherlands
Duration: 10 Jun 201014 Jun 2010

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