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Absorption systems in the spectrum of GRB 021004

dc.contributor.authorMoller, P.
dc.contributor.authorFynbo, J.
dc.contributor.authorHjorth, J.
dc.contributor.authorThomsen, B.
dc.contributor.authorEgholm, M.P.
dc.contributor.authorAndersen, M.I.
dc.contributor.authorGorosabel, J.
dc.contributor.authorHolland, S.T.
dc.contributor.authorJakobsson, P.
dc.contributor.authorJensen, B.L.
dc.contributor.authorPedersen, H.
dc.contributor.authorPedersen, K.
dc.contributor.authorWeidinger, M.
dc.date.accessioned2008-01-02T09:56:16Z
dc.date.available2008-01-02T09:56:16Z
dc.date.issued2002
dc.identifier.citationMoller , P , Fynbo , J , Hjorth , J , Thomsen , B , Egholm , M P , Andersen , M I , Gorosabel , J , Holland , S T , Jakobsson , P , Jensen , B L , Pedersen , H , Pedersen , K & Weidinger , M 2002 , ' Absorption systems in the spectrum of GRB 021004 ' , Astronomy and Astrophysics , vol. 396 , pp. L21-L24 . https://doi.org/10.1051/0004-6361:20021612
dc.identifier.issn0004-6361
dc.identifier.otherPURE: 165774
dc.identifier.otherPURE UUID: f0d6c04e-12aa-4ce8-90a8-5bbef356c74c
dc.identifier.otherdspace: 2299/1269
dc.identifier.otherScopus: 0036903576
dc.identifier.urihttp://hdl.handle.net/2299/1269
dc.descriptionOriginal article can be found at: http://www.aanda.org/--Copyright The European Southern Observatory (ESO) DOI : 10.1051/0004-6361:20021612
dc.description.abstractWe report on a 3600 s spectrum of GRB 021004 obtained with the Nordic Optical Telecope on La Palma 10.71 hours after the burst. We identify absorption lines from five systems at redshifts 1.3806, 1.6039, 2.2983, 2.3230, and 2.3292. In addition we find an emission line which, if due to Ly from the host galaxy, gives a redshift of 2.3351. The nearest absorber is blueshifted by 530 km s−1 with respect to this line, consistent with shifts seen in Damped Ly and Lyman-Break galaxies at similar redshifts. The emission line flux is 2:46 0:50 10−16 erg s−1 cm−2. Some of the absorption systems are “line-locked”, an effect often seen in QSO absorption systems believed to originate close to the QSO central engine.en
dc.language.isoeng
dc.relation.ispartofAstronomy and Astrophysics
dc.titleAbsorption systems in the spectrum of GRB 021004en
dc.contributor.institutionSchool of Physics, Astronomy and Mathematics
dc.description.statusPeer reviewed
rioxxterms.versionofrecordhttps://doi.org/10.1051/0004-6361:20021612
rioxxterms.typeJournal Article/Review
herts.preservation.rarelyaccessedtrue


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