Polarimetric observations of GRB 011211

Abstract

We 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.

5 pages, 4 figures, 1 table; uses aa.cls (now included). Accepted for publication in A&A

References in corpus (22)

• Spectra and Light Curves of Gamma-Ray Burst Afterglows
• Gamma-Ray Bursts and the Fireball Model
• Optical and Long Wavelength Afterglow from Gamma-Ray Bursts
• Beaming in Gamma-Ray Bursts: Evidence for a Standard Energy Reservoir
• Shocked by GRB 970228: the afterglow of a cosmological fireball
• Physical parameters of GRB 970508 and GRB 971214 from their afterglow synchrotron emission
• The prompt energy release of gamma-ray bursts using a cosmological k-correction
• Fundamental Physical Parameters of Collimated Gamma-Ray Burst Afterglows
• Gamma-Ray Burst Afterglow: Polarization and Analytic Light Curves
• Linear Polarization and Proper Motion in The Afterglow of Beamed GRBs
• The Signature of Supernova Ejecta Measured in the X-ray Afterglow of Gamma-Ray Burst 011211
• Polarization lightcurves and position angle variation of beamed gamma-ray bursts
• The discovery of polarization in the afterglow of GRB 990510 with the ESO Very Large Telescope
• On Beaming Effects in Afterglow Light Curves
• BeppoSAX measurements of the bright gamma-ray burst 010222
• The Optical Afterglow of GRB 011211
• The Optical Afterglows of Gamma-Ray Bursts
• GRB990712: First Indication of Polarization Variability in a Gamma-ray Burst Afterglow
• PKS 0116+082: An Optically Variable Compact Steep-Spectrum Source in an NLRG
• Polarimetric observations of GRB 011211
• The Polarization Variability in the Optical Afterglow of GRB 990712
• Near-infrared polarimetric observations of the afterglow of GRB 000301C

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