Cosmology with Gamma-Ray Bursts Using k-correction

Details Cosmology with Gamma-Ray Bursts Using k-correction Cosmology with Gamma-Ray Bursts Using k-correction

2012-04-05

arxiv.org/abs/1204.1222v1

Acta Polytechnica 2011/1 - Proceedings IBWS 2010

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

4 pages, 6 figures. Presented as a talk on the conference '7th INTEGRAL/BART Workshop 14 -18 April 2010, Karlovy Vary, Czech R

Scientific paper

In the case of Gamma-Ray Bursts with measured redshift, we can calculate the k-correction to get the fluence and energy that were actually produced in the comoving system of the GRB. To achieve this we have to use well-fitted parameters of a GRB spectrum, available in the GCN database. The output of the calculations is the comoving isotropic energy E_iso, but this is not the endpoint: this data can be useful for estimating the {\Omega}M parameter of the Universe and for making a GRB Hubble diagram using Amati's relation.

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