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A Metallicity-Spin Temperature Relation in Damped Lyα Systems

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Kanekar, N; Smette, Alain; Briggs, Franklin; Chengalur, Jayaram

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We report evidence for an anti-correlation between spin temperature Ts and metallicity [Z/H], detected at 3.6σ significance in a sample of 26 damped Lyα absorbers (DLAs) at redshifts 0.09 < z < 3.45. The anti-correlation is detected at 3σ significance

dc.contributor.authorKanekar, N
dc.contributor.authorSmette, Alain
dc.contributor.authorBriggs, Franklin
dc.contributor.authorChengalur, Jayaram
dc.date.accessioned2015-12-07T22:17:32Z
dc.identifier.issn0004-637X
dc.identifier.urihttp://hdl.handle.net/1885/18615
dc.description.abstractWe report evidence for an anti-correlation between spin temperature Ts and metallicity [Z/H], detected at 3.6σ significance in a sample of 26 damped Lyα absorbers (DLAs) at redshifts 0.09 < z < 3.45. The anti-correlation is detected at 3σ significance
dc.publisherIOP Publishing
dc.sourceAstrophysical Journal, The
dc.subjectKeywords: Galaxies: evolution; Galaxies: ISM; Radio lines: galaxies
dc.titleA Metallicity-Spin Temperature Relation in Damped Lyα Systems
dc.typeJournal article
local.description.notesImported from ARIES
local.identifier.citationvolume705
dc.date.issued2009
local.identifier.absfor020103 - Cosmology and Extragalactic Astronomy
local.identifier.ariespublicationu4049161xPUB5
local.type.statusPublished Version
local.contributor.affiliationKanekar, N, National Radio Astronomy Observatory
local.contributor.affiliationSmette, Alain, National Optical Astronomy Observatory
local.contributor.affiliationBriggs, Franklin, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationChengalur, Jayaram, National Centre for Radio Astrophysics (NCRA)
local.description.embargo2037-12-31
local.bibliographicCitation.issue1 PART 2
local.bibliographicCitation.startpageL40
local.bibliographicCitation.lastpageL44
local.identifier.doi10.1088/0004-637X/705/1/L40
dc.date.updated2016-02-24T10:32:44Z
local.identifier.scopusID2-s2.0-77949509690
local.identifier.thomsonID000270927900009
CollectionsANU Research Publications

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