Discovery of the Faint Near-IR Afterglow of GRB 030528

Details Discovery of the Faint Near-IR Afterglow of GRB 030528 Discovery of the Faint Near-IR Afterglow of GRB 030528

2003-12-03

arxiv.org/abs/astro-ph/0312102v1

AIPConf.Proc.727:439-442,2004

Astronomy and Astrophysics

Astrophysics

4 pages, 2 figures, aipproc.cls, to appear in the Proceedings of the 2003 GRB Conference, Santa Fe

Scientific paper

10.1063/1.1810882

We report on the discovery of the near-IR transient of the long-duration gamma-ray burst GRB 030528 and its underlying host galaxy. The near-IR transient was first observed in JHKs with SofI at the 3.6m ESO-NTT 16hrs after the burst and later observations revealed a fading Ks-band afterglow. The afterglow nature was confirmed by Chandra observations which found the source to be a fading X-ray emitter. The lack of an optical afterglow and the early faintness in the near-IR (Ks>18.5 mag) place GRB 030528 in a parameter space usually populated by dark bursts. We find the host to be an elongated blue galaxy.

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