[vsnet-grb-info 3792] GRB060926: VLT redshift

[GCN Circulars]

TITLE:   GCN GRB OBSERVATION REPORT
NUMBER:  5626
SUBJECT: GRB060926: VLT redshift
DATE:    06/09/27 03:54:15 GMT
FROM:    Silvia Piranomonte at OAR  <piranomonte at mporzio.astro.it>

S. Piranomonte (INAF-OAR), S. Covino (INAF/OABr), D. Malesani (SISSA), F. Fiore
(INAF-OAR), G. Tagliaferri (INAF/OABr), G. Chincarini (Univ. Milano-Bicocca), L.
Stella (INAF-OAR), on behalf of the MISTICI collaboration, report: 

We observed the optical afterglow of GRB060926 detected by Swift (S.T. Holland
et al., GCN 5612) with ESO's Very Large Telescope UT2 (Kueyen) at Paranal,
Chile. We obtained three FORS1 spectra with a total exposure of 4800 seconds
starting approximately 8 hours after the burst, with the 300V grism and a 1"
slit, providing a wavelength coverage of 3800-8900.

We clearly detect a damped Ly alpha line and various other absorption features
such as Si II,Si IV, CIV at a redshift of z=3.20.

It's a pleasure to thank the excellent support of the Paranal staff,
and in particular that of Hugues Sana.

This message can be cited.


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