The optical afterglow of GRB 000911: evidence for an associated supernova?

Details The optical afterglow of GRB 000911: evidence for an associated supernova? The optical afterglow of GRB 000911: evidence for an associated supernova?

2001-09-18

arxiv.org/abs/astro-ph/0109287v1

Astronomy and Astrophysics

Astrophysics

7 pages, 3 postscript figures, A&A in press

Scientific paper

10.1051/0004-6361:20011282

We present photometric and spectroscopic observations of the late afterglow of GRB 000911, starting ~1 day after the burst event and lasting ~8 weeks. We detect a moderately significant re-brightening in the R, I and J lightcurves, associated with a sizable reddening of the spectrum. This can be explained through the presence of an underlying supernova, outshining the afterglow ~30 days after the burst event. Alternative explanations are discussed.

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