Polarimetric observations of GRB 011211

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dc.creatorCovino, S.
dc.creatorLazzati, D.
dc.creatorMalesani, D.
dc.creatorGhisellini, G.
dc.creatorIsrael, G. L.
dc.creatorStella, L.
dc.creatorCimatti, A.
dc.creatordi Serego, S.
dc.creatorFiore, F.
dc.creatorKawai, N.
dc.creatorOrtolani, S.
dc.creatorPasquini, L.
dc.creatorRicker, G.
dc.creatorSaracco, P.
dc.creatorTagliaferri, G.
dc.creatorZerbi, F. M.
dc.date2002-07-16
dc.date2002-07-18
dc.date.accessioned2026-07-07T11:08:07Z
dc.date.available2026-07-07T11:08:07Z
dc.descriptionWe present and discuss polarimetric observations performed with the VLT-UT3 (Melipal) on the afterglow of GRB 011211, ~35 hours after the burst onset. The observations yielded a 3-sigma upper limit of P<2.7%. We discuss this result in combination with the lightcurve evolution, that may show a break approximately at the time of our observation. We show that our upper limit is consistent with the currently favored beamed fireball geometry, especially if the line of sight was not too close to the edge of the cone.
dc.description5 pages, 4 figures, 1 table; uses aa.cls (now included). Accepted for publication in A&A
dc.identifierhttps://arxiv.org/abs/astro-ph/0207335
dc.identifierhttp://arxiv.org/abs/astro-ph/0207335
dc.identifierAstron.Astrophys.392:865-868,2002
dc.identifierdoi:10.1051/0004-6361:20021025
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/190028
dc.subjectAstrophysics
dc.titlePolarimetric observations of GRB 011211
dc.typetext

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