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A photometric redshift of for the \agile GRB 080514B
A. Rossi, A. de Ugarte Postigo, P. Ferrero +26
Aims: The AGILE gamma-ray burst GRB 080514B is the first burst with detected emission above 30 MeV and an optical afterglow. However, no spectroscopic redshift for this burst is kn…
Detection of GRB 060927 at z = 5.47: Implications for the Use of Gamma-Ray Bursts as Probes of the End of the Dark Ages
A. E. Ruiz-Velasco, H. Swan, E. Troja +54
We report on follow-up observations of the GRB 060927 using the ROTSE-IIIa telescope and a suite of larger aperture ground-based telescopes. An optical afterglow was detected 20 s…
GRB 020813: polarization in the case of a smooth optical decay
J. Gorosabel, E. Rol, S. Covino +35
We present the results of a VLT polarimetric monitoring campaign of the GRB 020813 optical afterglow carried out in three nights, from 0.88 to 4.20 days after the gamma-ray event.…
The Building the Bridge survey for z=3 Ly-alpha emitting galaxies I: method and first results
J. P. U. Fynbo, C. Ledoux, P. Moller +2
We present the first results of an observational programme at the ESO Very Large Telescope aimed at detecting a large sample of high-redshift galaxies fainter than the current spec…
Ly-alpha emission from GRB host galaxies
J. P. U. Fynbo, P. Moller, B. Thomsen +8
Ly-alpha emission is indicative of on-going star formation in a dust-poor environment. Ly-alpha imaging is therefore a probe of the star formation rate and of the dust-content of G…
Building the bridge between Damped Ly-alpha Absorbers and Lyman Break galaxies
J. P. U. Fynbo, C. Ledoux, P. Moller +3
In 2000, we started the program ``Building the Bridge between Damped Ly-alpha Absorbers and Lyman-Break Galaxies: Ly-alpha Selection of Galaxies'' at the European Southern Observat…