SIMBAD references

2008A&A...490...31C - Astronomy and Astrophysics, volume 490, 31-36 (2008/10-4)

Cosmography by gamma ray bursts.


Abstract (from CDS):

Relations connecting gamma ray burst quantities can be used to constrain cosmographic parameters of the Hubble law at medium-high redshifts.We consider a sample of 27 gamma ray bursts to construct the luminosity distance to redshift relation and derive the values of the parameters q0, j0, and s0. The analysis is compared with other methods in the literature. Gamma gay bursts, if calibrated by SNeIa, seem reliable as distance indicators and give cosmographic parameters in agreement with the ΛCDM model.

Abstract Copyright:

Journal keyword(s): gamma rays: bursts - cosmology: cosmological parameters - cosmology: distance scale

Simbad objects: 27

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