Observation of GRB 030131 with the INTEGRAL satellite

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dc.creatorGotz, D.
dc.creatorMereghetti, S.
dc.creatorHurley, K.
dc.creatorDeluit, S.
dc.creatorFeroci, M.
dc.creatorFrontera, F.
dc.creatorFruchter, A.
dc.creatorGorosabel, J.
dc.creatorHartmann, D. H.
dc.creatorHjorth, J.
dc.creatorHudec, R.
dc.creatorMirabel, I. F.
dc.creatorPian, E.
dc.creatorPizzichini, G.
dc.creatorUbertini, P.
dc.creatorWinkler, C.
dc.date2003-07-23
dc.date.accessioned2026-07-07T02:09:01Z
dc.date.available2026-07-07T02:09:01Z
dc.descriptionA long Gamma-Ray Burst (GRB) was detected with the instruments on board the INTEGRAL satellite on January 31 2003. Although most of the GRB, which lasted $\sim$150 seconds, occurred during a satellite slew, the automatic software of the INTEGRAL Burst Alert System was able to detect it in near-real time. Here we report the results obtained with the IBIS instrument, which detected GRB 030131 in the 15 keV - 200 keV energy range, and ESO/VLT observations of its optical transient. The burst displays a complex time profile with numerous peaks. The peak spectrum can be described by a single power law with photon index $Γ\simeq$1.7 and has a flux of $\sim$2 photons cm$^{-2}$ s$^{-1}$ in the 20-200 keV energy band. The high sensitivity of IBIS has made it possible for the first time to perform detailed time-resolved spectroscopy of a GRB with a fluence of 7$\times10^{-6}$ erg cm$^{-2}$ (20-200 keV).
dc.descriptionAccepted for publication in A&A, 5 pages, 4 figures, latex
dc.identifierhttps://arxiv.org/abs/astro-ph/0307406
dc.identifierhttp://arxiv.org/abs/astro-ph/0307406
dc.identifierAstron.Astrophys. 409 (2003) 831-834
dc.identifierdoi:10.1051/0004-6361:20031128
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/6286
dc.subjectAstrophysics
dc.titleObservation of GRB 030131 with the INTEGRAL satellite
dc.typetext

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