[vsnet-grb-info 13463] GRB 130606A: 10.4m GTC refined redshift z = 5.91

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  14796
SUBJECT: GRB 130606A: 10.4m GTC refined redshift z = 5.91
DATE:    13/06/07 01:59:16 GMT
FROM:    Alberto Castro-Tirado at Inst.de Astro. de Andalucia  <ajct at iaa.es>

A. J. Castro-Tirado, R. Sánchez-Ramírez (IAA-CSIC), J. Gorosabel (EHU-UPV,
IAA-CSIC), M. Jelinek, J. C. Tello, P. Ferrero, O. Lara-Gil, R. Cunniffe
(IAA-CSIC), D. Pérez-Ramírez (U. Jaén), P. Kubanek (FZU), J. M. Castro
Cerón (ESAC), A. Fernández-Soto (UV), S. Mottola (DLR), S. Hellmich (DLR),
R. Fernández-Muñoz (EELM-CSIC), V. F. Muñoz-Martínez (UMA), L.
Sabau-Graziati (INTA), A. Martín-Carrillo (UCD), J. Cepa (IAC), A. Tejero
and C. Álvarez-Iglesias (GTC), on behalf of a larger collaboration,
report:

“A detailed analysis of our 10.4m GTC spectrum reported on GCNC 14790
reveals several absorption metallic lines (N V, Si II and Si IV amongst
others) at a common redshift of z = 5.91 which we propose to be the
redshift of GRB 130606A.”