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Properties of a Gamma-Ray Burst Host Galaxy at z ~ 5

Price, Paul Antony; Songaila, A; Cowie, L L; Bell Burnell, J; Berger, Edo; Cucchiara, A; Fox, Derek B; Hook, I M; Kulkarni, Shrinivas R; Penprase, B E; Roth, K C; Schmidt, Brian

Description

We describe the properties of the host galaxy of the gamma-ray burst GRB 060510B based on a spectrum of the burst afterglow obtained with the Gemini North 8 m telescope. The galaxy lies at a redshift of z = 4.941, making it the fourth highest spectroscopically identified burst host. However, it is the second highest redshift galaxy for which the quality of the spectrum permits a detailed metallicity analysis. The neutral hydrogen column density has a logarithmic value of 21.0-21.2 cm-2, and the...[Show more]

dc.contributor.authorPrice, Paul Antony
dc.contributor.authorSongaila, A
dc.contributor.authorCowie, L L
dc.contributor.authorBell Burnell, J
dc.contributor.authorBerger, Edo
dc.contributor.authorCucchiara, A
dc.contributor.authorFox, Derek B
dc.contributor.authorHook, I M
dc.contributor.authorKulkarni, Shrinivas R
dc.contributor.authorPenprase, B E
dc.contributor.authorRoth, K C
dc.contributor.authorSchmidt, Brian
dc.date.accessioned2015-12-07T22:46:47Z
dc.identifier.issn0004-637X
dc.identifier.urihttp://hdl.handle.net/1885/25920
dc.description.abstractWe describe the properties of the host galaxy of the gamma-ray burst GRB 060510B based on a spectrum of the burst afterglow obtained with the Gemini North 8 m telescope. The galaxy lies at a redshift of z = 4.941, making it the fourth highest spectroscopically identified burst host. However, it is the second highest redshift galaxy for which the quality of the spectrum permits a detailed metallicity analysis. The neutral hydrogen column density has a logarithmic value of 21.0-21.2 cm-2, and the weak metal lines of Ni, S, and Fe show that the metallicity is in excess of a tenth of solar, which is far above the metallicities in damped Lya absorbers at high redshift. The tightest constraint is from the Fe lines, which place [Fe/H] in excess of -0.8. We argue that the results suggest that metallicity bias could be a serious obstacle to inferring star formation from the GRB population, and we consider how future higher quality measurements could be used to resolve this issue.
dc.publisherIOP Publishing
dc.rights© 2007. The American Astronomical Society. http://www.sherpa.ac.uk/romeo/issn/2041-8205/ Author can archive publisher's version/PDF. Publisher's version/PDF may be used on any website or authors' institutional repository (Sherpa/Romeo as of 9/10/2018)
dc.sourceAstrophysical Journal Letters
dc.subjectKeywords: Cosmology: observations; Galaxies: abundances; Galaxies: distances and redshifts galaxies: evolution; Gamma rays: bursts
dc.titleProperties of a Gamma-Ray Burst Host Galaxy at z ~ 5
dc.typeJournal article
local.description.notesImported from ARIES
local.identifier.citationvolume663
dc.date.issued2007
local.identifier.absfor020110 - Stellar Astronomy and Planetary Systems
local.identifier.ariespublicationu4362859xPUB41
local.type.statusPublished Version
local.contributor.affiliationPrice, Paul Antony, University of Hawaii
local.contributor.affiliationSongaila, A, University of Hawaii
local.contributor.affiliationCowie, L L, University of Hawaii
local.contributor.affiliationBell Burnell, J, Oxford University
local.contributor.affiliationBerger, Edo, Observatories of the Carnegie Institution of Washington
local.contributor.affiliationCucchiara, A, Pennsylvania State University
local.contributor.affiliationFox, Derek B, Pennsylvania State University
local.contributor.affiliationHook, I M, University of Oxford
local.contributor.affiliationKulkarni, Shrinivas R, California Institute of Technology
local.contributor.affiliationPenprase, B E, Pomona College
local.contributor.affiliationRoth, K C, Gemini Observatory
local.contributor.affiliationSchmidt, Brian, College of Physical and Mathematical Sciences, The Australian National University
local.bibliographicCitation.issue2
local.bibliographicCitation.startpageL57
local.bibliographicCitation.lastpageL60
local.identifier.doi10.1086/520047
dc.date.updated2015-12-07T11:45:49Z
local.identifier.scopusID2-s2.0-34547198826
dcterms.accessRightsOpen Access
CollectionsANU Research Publications

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