An online repository of Swift/XRT light curves of γ-ray bursts

被引：740

作者：

Evans, P. A. ^{[1
]}

Beardmore, A. P.

Page, K. L.

Tyler, L. G.

Osborne, J. P.

Goad, M. R.

O'Brien, P. T.

Vetere, L.

Racusin, J.

Morris, D.

Burrows, D. N.

Capalbi, M.

Perri, M.

Gehrels, N.

Romano, P.

机构：

[1] Univ Leicester, Dept Phys & Astron, Leicester LE1 7RH, Leics, England

[2] Penn State Univ, Dept Astron & Astrophys, University Pk, PA 16802 USA

[3] ESRIN, ASDC, ASI Sci Data Ctr, I-00044 Frascati, Italy

[4] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA

[5] Osserv Astron Brera, INAF, I-23807 Merate, LC, Italy

[6] Univ Milan, I-20126 Milan, Italy

来源：

ASTRONOMY & ASTROPHYSICS | 2007年 / 469卷 / 01期

基金：

英国科学技术设施理事会;

关键词：

gamma rays : bursts; gamma rays : observations; methods : data analysis; catalogs;

D O I：

10.1051/0004-6361:20077530

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Context. Swift data are revolutionising our understanding of Gamma Ray Bursts. Since bursts fade rapidly, it is desirable to create and disseminate accurate light curves rapidly. Aims. To provide the community with an online repository of X-ray light curves obtained with Swift. The light curves should be of the quality expected of published data, but automatically created and updated so as to be self-consistent and rapidly available. Methods. We have produced a suite of programs which automatically generates Swift/XRT light curves of GRBs. Effects of the damage to the CCD, automatic readout-mode switching and pile-up are appropriately handled, and the data are binned with variable bin durations, as necessary for a fading source. Results. The light curve repository website* contains light curves, hardness ratios and deep images for every GRB which Swift's XRT has observed. When new GRBs are detected, light curves are created and updated within minutes of the data arriving at the UK Swift Science Data Centre.

引用

页码：379 / 385

页数：7

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