The optical afterglow and host galaxy of GRB000926

Simple item page
dc.creatorFynbo, J. U.
dc.creatorGorosabel, J.
dc.creatorDall, T. H.
dc.creatorHjorth, J.
dc.creatorPedersen, H.
dc.creatorAndersen, M. I.
dc.creatorMoller, P.
dc.creatorSmail, I.
dc.creatorKobayashi, N.
dc.creatorVreeswijk, P.
dc.creatorBurud, I.
dc.creatorHolland, S.
dc.creatorJensen, B. L.
dc.creatorThomsen, B.
dc.creatorHenden, A.
dc.creatorVrba, F.
dc.creatorCanzian, B.
dc.creatorCerón, J. M. Castro
dc.creatorCastro-Tirado, A. J.
dc.creatorCline, T.
dc.creatorGoto, M.
dc.creatorGreiner, J.
dc.creatorHanski, M. T.
dc.creatorHurley, K.
dc.creatorLund, N.
dc.creatorPursimo, T.
dc.creatorOestensen, R.
dc.creatorSolheim, J.
dc.creatorTanvir, N.
dc.creatorTerada, H.
dc.date2001-02-09
dc.date2001-04-11
dc.date.accessioned2026-07-07T01:57:40Z
dc.date.available2026-07-07T01:57:40Z
dc.descriptionWe present the discovery of the Optical Transient (OT) of the long-duration gamma-ray burst GRB000926. The optical transient was detected independently with the Nordic Optical Telescope and at Calar Alto 22.2 hours after the burst. At this time the magnitude of the transient was R = 19.36. The transient faded with a decay slope of about 1.7 during the first two days after which the slope increased abruptly (within a few hours) to about 2.4. The light-curve started to flatten off after about a week indicating the presence of an underlying extended object. This object was detected in a deep image obtained one month after the GRB at R=23.87+-0.15 and consists of several compact knots within about 5 arcsec. One of the knots is spatially coincident with the position of the OT and hence most likely belongs to the host galaxy. Higher resolution imaging is needed to resolve whether all the compact knots belong to the host galaxy or to several independent objects. In a separate paper we present a discussion of the optical spectrum of the OT, and its inferred redshift (Moller et al. in prep.).
dc.description9 pages, 4 figures. Accepted for publication in the A&A main journal
dc.identifierhttps://arxiv.org/abs/astro-ph/0102158
dc.identifierhttp://arxiv.org/abs/astro-ph/0102158
dc.identifierAstron.Astrophys. 373 (2001) 796-804
dc.identifierdoi:10.1051/0004-6361:20010531
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/2475
dc.subjectAstrophysics
dc.titleThe optical afterglow and host galaxy of GRB000926
dc.typetext

Files

Collections

arXiv