Automatic analysis of Swift-XRT data

Details Automatic analysis of Swift-XRT data Automatic analysis of Swift-XRT data

2007-11-03

arxiv.org/abs/0711.0433v1

Astronomy and Astrophysics

Astrophysics

4 pages, 2 figures, to appear in the proceedings of ADASS XVII (ASP Conference Series)

Scientific paper

The Swift spacecraft detects and autonomously observes ~100 Gamma Ray Bursts (GRBs) per year, ~96% of which are detected by the X-ray telescope (XRT). GRBs are accompanied by optical transients and the field of ground-based follow-up of GRBs has expanded significantly over the last few years, with rapid response instruments capable of responding to Swift triggers on timescales of minutes. To make the most efficient use of limited telescope time, follow-up astronomers need accurate positions of GRBs as soon as possible after the trigger. Additionally, information such as the X-ray light curve, is of interest when considering observing strategy. The Swift team at Leicester University have developed techniques to improve the accuracy of the GRB positions available from the XRT, and to produce science-grade X-ray light curves of GRBs. These techniques are fully automated, and are executed as soon as data are available.

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