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GRB–SN Connection in SAO RAS Observations

Published online by Cambridge University Press:  22 July 2013

A.S. Moskvitin ,
V.V. Sokolov  and
V.N. Komarova
A.S. Moskvitin
Affiliation:
SAO RAS, Russia;. e-mail: [email protected]; [email protected]; [email protected]
V.V. Sokolov
Affiliation:
SAO RAS, Russia;. e-mail: [email protected]; [email protected]; [email protected]
V.N. Komarova
Affiliation:
SAO RAS, Russia;. e-mail: [email protected]; [email protected]; [email protected]
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Abstract

We present the results of SAO RAS 6-m BTA spectral observations of GRBs and XRFs with thesigns of SNe: GRB/XRF 060218 (SN 2006aj) and XRF 080109 (SN 2008D). The properties ofthese events are similar to those of usual core-collapse SNe without GRBs. Some spectralfeatures in the cases of SN 2006aj and SN 2008D may be interpreted as hydrogen and heliumtraces. This supports an idea of presence of a relic envelope around the progenitor starand the shock break-out effects observed in X-rays, UV and optics.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 61: Gamma-ray Bursts: 15 Years of GRB Afterglows – Progenitors, Environments and Host Galaxies from the Nearby to the Early Universe , 2013 , pp. 403 - 405
Copyright
© EAS, EDP Sciences 2013

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References

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