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Astronomy and Astrophysics 407 (2003) L1-L4
A simple empirical redshift indicator for gamma-ray bursts
J-L Atteia 1
(2003)

We propose a new empirical redshift indicator for gamma-ray bursts. This indicator is easily computed from the gamma-ray burst spectral parameters, and its duration, and it provides ``pseudo-redshifts\'\' accurate to a factor two. Possible applications of this redshift indicator are briefly discussed.
1:  UMS 831 unité mixte de service (UMS 831)
CNRS : UMS831 – Institut de recherche pour le développement [IRD] – CNES – INSU – Université Paul Sabatier [UPS] - Toulouse III – Observatoire Midi-Pyrénées
Physics/Astrophysics/Cosmology and Extra-Galactic Astrophysics
Fulltext link: 
http://fr.arXiv.org/abs/astro-ph/0304327