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Keck Observations of 160 Gamma-Ray Burst HostGalaxies

Published online by Cambridge University Press:  22 July 2013

D.A. Perley ,
J.S. Bloom  and
J.X. Prochaska
D.A. Perley
Affiliation:
Department of Astronomy, California Institute of Technology, MC 249-17, 1200 East California Boulevard, Pasadena CA 91125, USA
J.S. Bloom
Affiliation:
Department of Astronomy, University of California, Berkeley, CA 94720, USA
J.X. Prochaska
Affiliation:
Department of Astronomy and Astrophysics, UCO/Lick Observatory, University of California, Santa Cruz, CA 95064, USA
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Abstract

We present a preliminary data release from our multi-year campaign at Keck Observatory tostudy the host galaxies of a large sample of Swift-era gamma-ray bursts via multi-colorground-based optical imaging and spectroscopy. With over 160 targets observed to date (andalmost 100 host detections, most of which have not previously been reported in theliterature) our effort represents the broadest GRB host survey to date. While targetingwas heterogeneous, our observations span the known diversity of GRBs including shortbursts, long bursts, spectrally soft GRBs (XRFs), ultra-energetic GRBs, X-ray faint GRBs,dark GRBs, SN-GRBs, and other sub-classes. We also present a preview of our database(currently available online via a convenient web interface) including a catalog ofmulti-color photometry, redshifts and line ID’s. Final photometry and reduced imaging andspectra will be available in the near future.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 61: Gamma-ray Bursts: 15 Years of GRB Afterglows – Progenitors, Environments and Host Galaxies from the Nearby to the Early Universe , 2013 , pp. 391 - 395
Copyright
© EAS, EDP Sciences 2013

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