{"paper":{"title":"The host of GRB 030323 at z=3.372: a very high column density DLA system with a low metallicity","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Gilmore, A. Henden, A. J. Castro-Tirado, A. Levan, A. S. Fruchter, B. L. Jensen, C. Kouveliotou, C. Ledoux, D. H. Hartmann, E. Palazzi, E. Pian, E. P. J. van den Heuvel, E. Rol, G. Masi, H. Pedersen, I. Burud, J. Gorosabel, J. Hjorth, J. M. Castro Cer\\'on, J. P. U. Fynbo, J. Rhoads, J. V. Buckle, K. Lindsay, L. Kaper, M. S. Seigar, N. Masetti, N. Tanvir, P. Kilmartin, P. M{\\o}ller, P. M. Vreeswijk, R. A. M. J. Wijers, S. L. Ellison","submitted_at":"2004-03-03T16:22:07Z","abstract_excerpt":"We present photometry and spectroscopy of the afterglow of GRB 030323. VLT spectra of the afterglow show damped Lya (DLA) absorption and low- and high-ionization lines at a redshift z=3.3718+-0.0005. The inferred neutral hydrogen column density, log N(HI)=21.90+-0.07, is larger than any (GRB- or QSO-) DLA HI column density inferred directly from Lya in absorption. From the afterglow photometry, we derive a conservative upper limit to the host-galaxy extinction: A(V)<0.5 mag. The iron abundance is [Fe/H]=-1.47+-0.11, while the metallicity of the gas as measured from sulphur is [S/H]=-1.26+-0.20"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0403080","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0403080/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}