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Advances in Astronomy
Volume 2018, Article ID 4969503, 31 pages
Review Article

Gamma-Ray Burst Prompt Correlations

1Physics Department, Stanford University, Via Pueblo Mall 382, Stanford, CA, USA
2INAF, Istituto di Astrofisica Spaziale e Fisica Cosmica, Via Gobetti 101, 40129 Bologna, Italy
3Astronomical Observatory, Jagiellonian University, Orla 171, 30-244 Kraków, Poland

Correspondence should be addressed to M. G. Dainotti; ude.drofnats@ttoniadm

Received 25 May 2016; Accepted 27 November 2016; Published 24 January 2018

Academic Editor: Alberto J. Castro-Tirado

Copyright © 2018 M. G. Dainotti et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The mechanism responsible for the prompt emission of gamma-ray bursts (GRBs) is still a debated issue. The prompt phase-related GRB correlations can allow discriminating among the most plausible theoretical models explaining this emission. We present an overview of the observational two-parameter correlations, their physical interpretations, and their use as redshift estimators and possibly as cosmological tools. The nowadays challenge is to make GRBs, the farthest stellar-scaled objects observed (up to redshift ), standard candles through well established and robust correlations. However, GRBs spanning several orders of magnitude in their energetics are far from being standard candles. We describe the advances in the prompt correlation research in the past decades, with particular focus paid to the discoveries in the last 20 years.