University of Hertfordshire Research Archive

        JavaScript is disabled for your browser. Some features of this site may not work without it.

        Browse

        All of UHRABy Issue DateAuthorsTitlesThis CollectionBy Issue DateAuthorsTitles

        Arkivum Files

        My Downloads
        View Item 
        • UHRA Home
        • University of Hertfordshire
        • Research publications
        • View Item
        • UHRA Home
        • University of Hertfordshire
        • Research publications
        • View Item

        Absorption systems in the spectrum of GRB 021004

        View/Open
        901397.pdf (PDF, 208Kb)
        Author
        Moller, 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.
        Attention
        2299/1269
        Abstract
        We 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.
        Publication date
        2002
        Published in
        Astronomy and Astrophysics
        Published version
        https://doi.org/10.1051/0004-6361:20021612
        Other links
        http://hdl.handle.net/2299/1269
        Metadata
        Show full item record
        Keep in touch

        © 2019 University of Hertfordshire

        I want to...

        • Apply for a course
        • Download a Prospectus
        • Find a job at the University
        • Make a complaint
        • Contact the Press Office

        Go to...

        • Accommodation booking
        • Your student record
        • Bayfordbury
        • KASPAR
        • UH Arts

        The small print

        • Terms of use
        • Privacy and cookies
        • Criminal Finances Act 2017
        • Modern Slavery Act 2015
        • Sitemap

        Find/Contact us

        • T: +44 (0)1707 284000
        • E: ask@herts.ac.uk
        • Where to find us
        • Parking
        • hr
        • qaa
        • stonewall
        • AMBA
        • ECU Race Charter
        • disability confident
        • AthenaSwan