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The analogy of K-correction in the topic of gamma-ray bursts

Published online by Cambridge University Press:  30 December 2019

Levente Borvák ,
Attila Mészáros Open the ORCID record for Attila Mészáros [Opens in a new window]  and
Jakub Řípa Open the ORCID record for Jakub Řípa [Opens in a new window]
Levente Borvák
Affiliation:
Department of Physics, University of Dallas, 1845 East Northgate Drive, Irving, Texas, 75062 USA email: lborvak@udallas.edu
Attila Mészáros
Affiliation:
Astronomical Institute, Faculty of Mathematics and Physics, Charles University, CZ-180 00 Prague 8, V Holešovičkách 2, Czech Republic email: meszaros@cesnet.cz
Jakub Řípa
Affiliation:
Astronomical Institute, Faculty of Mathematics and Physics, Charles University, CZ-180 00 Prague 8, V Holešovičkách 2, Czech Republic email: meszaros@cesnet.cz MTA-Eötvös Lóránd University, Lendület Hot Universe Research Group, Pázmány Péter sétány 1/A, Budapest, 1117, Hungary Eötvös Lóránd University, Institute of Physics, Pázmány Péter sétány 1/A, Budapest, 1117, Hungary email: jripa@caesar.elte.hu
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Abstract

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It is well-known that there are two types of gamma-ray bursts (GRBs): short/hard and long/soft ones, respectively. The long GRBs are coupled to supernovae, but the short ones are associated with the so called macronovae (also known as kilonovae), which can serve as the sources of gravitational waves as well. The kilonovae can arise from the merging of two neutron-stars. The neutron stars can be substituded by more massive black holes as well. Hence, the topic of gamma-ray bursts (mainly the topic of short ones) and the topic of massive binaries, are strongly connected.

In this contribution, the redshifts of GRBs are studied. The surprising result - namely that the apparently fainter GRBs can be in average at smaller distances - is discussed again. In essence, the results of Mészáros et al. (2011) are studied again using newer samples of GRBs. The former result is confirmed by the newer data.

Keywords

cosmology: miscellaneouscosmology: observationsgamma rays: bursts
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 14 , Symposium S346: High-mass X-ray Binaries: Illuminating the Passage from Massive Binaries to Merging Compact Objects , August 2018 , pp. 380 - 382
Copyright
© International Astronomical Union 2019 

References

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Mészáros, A., Řpa, J., & Ryde, F. 2011, A&A, 529, A55 (M11)Google Scholar