Observational constraints on the afterglow of GRB 020531

Preprint

20 November 2002

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.astro-ph/0211443

Abstract

We present the data acquired by the TAROT automated observatory on the afterglow of GRB 020531. Up to now, no convincing afterglow emission has been reported for this short/hard GRB at any wavelength, including X-ray and optical. The combination of our early limits, with other published data allows us to put severe constraints on the afterglow magnitude and light curve. The limiting magnitude is 18.5 in R band, 88 minutes after the GRB, and the decay slope power law index could be larger than 2.2.

Keywords

OBSERVATIONAL CONSTRAINTS
AUTOMATED OBSERVATORY
AFTERGLOW OF GRB
TAROT AUTOMATED
INCLUDING X
SHORT/HARD
GRB

All Related Versions

Version 1, 2002-11-20, ArXiv
Published version: Astronomy & Astrophysics, 404 (3), 815.

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