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Title: Optical observations and multiband modelling of the afterglow of GRB 041006: Evidence of a hard electron energy spectrum
Authors: Misra, Kuntal
Resmi, L.
Pandey, S.B.
Bhattacharya, D.
Sagar, R.
Keywords: Gamma-ray bursts
GRB afterglows
Flux decay
Spectral index
Issue Date: 2005
Publisher: The Astronomical Society of India
Citation: Bulletin of the Astronomical Society of India, 2005, Vol.33, p487-497
Abstract: We present the CCD Cousins R band photometric observations of the afterglow of GRB 041006. The multiband afterglow evolution is modelled using an underlying `hard' electron energy spectrum with a $p_1 \sim 1.3$. The burst appears to be of very low energy ($E \sim 10^{48}$ ergs) confined to a narrow cone of opening angle $\theta \sim 2.3^{\circ}$. The associated supernova is compared with SN1998bw and is found to be brighter.
ISSN: 0304-9523
Copyright: (2005) by the Astronomical Society of India.
Appears in Collections:Research Papers (A&A)

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