LATE EMISSION FROM THE TYPE Ib/c SN 2001em: OVERTAKING THE HYDROGEN ENVELOPE

Abstract

The Type Ib/c supernova SN 2001em was observed to have strong radio, X-ray, and Hα emission at an age of ∼ 2.5 yr. Although the radio and Xray emission have been attributed to an off-axis gamma-ray burst, we model the emission as the interaction of normal SN Ib/c ejecta with a dense, massive (∼ 3 M⊙) circumstellar shell at a distance ∼ 7 × 10 16 cm. We… (More)

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@inproceedings{Chugai2001LATEEF, title={LATE EMISSION FROM THE TYPE Ib/c SN 2001em: OVERTAKING THE HYDROGEN ENVELOPE}, author={Nikolai N. Chugai and Roger A. Chevalier}, year={2001} }