SIMBAD references

2019MNRAS.484.5484E - Mon. Not. R. Astron. Soc., 484, 5484-5498 (2019/April-3)

The early optical afterglow and non-thermal components of GRB 060218.

EMERY S.W.K., PAGE M.J., BREEVELD A.A., BROWN P.J., KUIN N.P.M., OATES S.R. and DE PASQUALE M.

Abstract (from CDS):

We re-examine the UV/optical and X-ray observations of GRB 060218 during the prompt and afterglow phases. We present evidence in the UV/optical spectra that there is a synchrotron component contributing to the observed flux in the initial 1350 s. This result suggests that GRB 060218 is produced from a low-luminosity jet, which penetrates through its progenitor envelope after core collapse. The jet interacts with the surrounding medium to generate the UV/optical external shock synchrotron emission. After 1350 s, the thermal radiation in the UV/optical and X-ray becomes the dominant contribution to the observed flux. The UV/optical and X-ray spectra at 1350-10 000 s can be fitted with a spherically outflowing blackbody model, with an additional power-law component to the model at X-ray energies.

Abstract Copyright: © 2019 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): radiation mechanisms: non-thermal - radiation mechanisms: thermal - gamma-ray burst: general - gamma-ray burst: individual: GRB 060218

Simbad objects: 12

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2019.10.18-17:11:49

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