Predicting gamma-ray burster redshifts from their prompt emission properties

Details Predicting gamma-ray burster redshifts from their prompt emission properties Predicting gamma-ray burster redshifts from their prompt emission properties

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010mnras.401.1369k&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 401, Issue 2, pp. 1369-1374.

Astronomy and Astrophysics

Astronomy

1

Methods: Statistical, Gamma-Rays: Bursts

Scientific paper

This paper presents a study of the relation between gamma-ray burster redshift and several of its prompt emission properties (spectral lag, light curve variability, peak energy, rise time and the peak bolometric flux Pbol). Simple predictors of log(1 + z) in terms of Pbol and the other indicators are derived. The typical scatter in the relations is 0.13 dex. An illustrative application to observations of GRB 090423 (z ~ 8) is given.

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