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GRB 090423 at a redshift of z approximate to 8.1

dc.contributor.authorGuetta, D.
dc.contributor.authorTesta, V.
dc.contributor.authorFenimore, E. E.
dc.contributor.authorFerrero, P.
dc.contributor.authorGiommi, P.
dc.contributor.authorHolland, S. T.
dc.contributor.authorTagliaferri, G.
dc.contributor.authorStella, L.
dc.contributor.authorRacusin, J. L.
dc.contributor.authorSalvaterra, R.
dc.contributor.authorDella Valle, M.
dc.contributor.authorCampana, S.
dc.contributor.authorChincarini, G.
dc.contributor.authorPiranomonte, S.
dc.contributor.authorPalmer, D. M.
dc.contributor.authorPalazzi, E.
dc.contributor.authorPagani, C.
dc.contributor.authorMasetti, N.
dc.contributor.authorMarkwardt, C. B.
dc.contributor.authorMao, J.
dc.contributor.authorIsrael, G. L.
dc.contributor.authorHurley, K.
dc.contributor.authorCovino, S.
dc.contributor.authorD'Avanzo, P.
dc.contributor.authorFernandez-Soto, A.
dc.contributor.authorGuidorzi, C.
dc.contributor.authorMannucci, F.
dc.contributor.authorMargutti, R.
dc.contributor.authorThoene, C. C.
dc.contributor.authorAntonelli, L. A.
dc.contributor.authorBarthelmy, S. D.
dc.contributor.authorDE PASQUALE, Massımılıano
dc.contributor.authorD'Elia, V.
dc.contributor.authorFiore, F.
dc.contributor.authorFugazza, D.
dc.contributor.authorHunt, L. K.
dc.contributor.authorMaiorano, E.
dc.contributor.authorMarinoni, S.
dc.contributor.authorMarshall, F. E.
dc.contributor.authorMolinari, E.
dc.contributor.authorNousek, J.
dc.contributor.authorPian, E.
dc.contributor.authorAmati, L.
dc.contributor.authorAndreuzzi, G.
dc.contributor.authorCusumano, G.
dc.date.accessioned2022-02-18T09:32:09Z
dc.date.available2022-02-18T09:32:09Z
dc.date.issued2009
dc.identifier.citationSalvaterra R., Della Valle M., Campana S., Chincarini G., Covino S., D'Avanzo P., Fernandez-Soto A., Guidorzi C., Mannucci F., Margutti R., et al., "GRB 090423 at a redshift of z approximate to 8.1", NATURE, cilt.461, sa.7268, ss.1258-1260, 2009
dc.identifier.issn0028-0836
dc.identifier.othervv_1032021
dc.identifier.otherav_445c6004-d8b2-4473-8ec3-c051adc366c1
dc.identifier.urihttp://hdl.handle.net/20.500.12627/177407
dc.identifier.urihttps://doi.org/10.1038/nature08445
dc.description.abstractGamma-ray bursts (GRBs) are produced by rare types of massive stellar explosion. Their rapidly fading afterglows are often bright enough at optical wavelengths that they are detectable at cosmological distances. Hitherto, the highest known redshift for a GRB was z = 6.7 (ref. 1), for GRB 080913, and for a galaxy was z = 6.96 (ref. 2). Here we report observations of GRB 090423 and the near-infrared spectroscopic measurement of its redshift, z = 8.1(-0.3)(+0.1). This burst happened when the Universe was only about 4 per cent of its current age(3). Its properties are similar to those of GRBs observed at low/intermediate redshifts, suggesting that the mechanisms and progenitors that gave rise to this burst about 600,000,000 years after the Big Bang are not markedly different from those producing GRBs about 10,000,000,000 years later.
dc.language.isoeng
dc.subjectÇOK DİSİPLİNLİ BİLİMLER
dc.subjectDoğa Bilimleri Genel
dc.subjectTemel Bilimler (SCI)
dc.subjectTemel Bilimler
dc.subjectMultidisciplinary
dc.titleGRB 090423 at a redshift of z approximate to 8.1
dc.typeMakale
dc.relation.journalNATURE
dc.contributor.departmentOsserv Astron Roma , ,
dc.identifier.volume461
dc.identifier.issue7268
dc.identifier.startpage1258
dc.identifier.endpage1260
dc.contributor.firstauthorID3377143


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