### Abstract

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 Ω _{M} parameter of the Universe and for making a GRB Hubble diagram using Amati's relation.

Original language | English |
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Pages (from-to) | 68-71 |

Number of pages | 4 |

Journal | Acta Polytechnica |

Volume | 51 |

Issue number | 2 |

Publication status | Published - Dec 1 2011 |

### Keywords

- Cosmology
- Density parameter of matter
- Gamma-ray burst
- Hubble diagram
- K-correction

### ASJC Scopus subject areas

- Engineering(all)

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## Cite this

Kovács, A., Bagoly, Z., Balázs, L. G., Horváth, I., & Veres, P. (2011). Cosmology with gamma-ray bursts using k-correction.

*Acta Polytechnica*,*51*(2), 68-71.