Advances in Astronomy

Advances in Astronomy / 2015 / Article
Special Issue

Gamma-Ray Burst in Swift and Fermi Era

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Editorial | Open Access

Volume 2015 |Article ID 543624 |

WeiKang Zheng, Xuefeng Wu, Takanori Sakamoto, Yuji Urata, Shashi B. Pandey, "Gamma-Ray Burst in Swift and Fermi Era", Advances in Astronomy, vol. 2015, Article ID 543624, 1 page, 2015.

Gamma-Ray Burst in Swift and Fermi Era

Received05 May 2015
Accepted05 May 2015
Published24 Aug 2015

Gamma-ray bursts (GRBs) are short-lived and intense flashes of gamma-rays from space associated with the death/explosion of massive stars and/or compact binaries. Since the discovery of GRBs in 1967 by the Vela satellite, the mystery of their origin has attracted many space missions including Compton, BeppoSAX, HETE-2, INTEGRAL, Swift, and Fermi, resulting in many significant breakthroughs. With the Swift mission launched in 2004, followed by Fermi in 2008, the study of GRBs is now in a productive and unique period while both of these space satellites are operational. Our understanding of GRB physics has undeniably been revolutionized in the past decade, though it is still far from complete. In this special issue, we have collected reviews and research papers that are closely related to the two missions for studies of GRBs and their afterglows.

To begin with, the review article by A. Pe’er focuses on GRB prompt emission in the high-energy gamma-ray band, and another review article by H. Gao and P. Mészáros summarizes the early-time reverse-shock emission. Both reviews show new observations from Swift and Fermi in the past few years, and they also present theoretical progress. Two other review articles discuss GRBs beyond the gamma-ray band. The one by Y. Urata et al. summarizes GRB follow-up observations in the submillimeter band and shows the expected outcomes from a new planned Greenland Telescope that operates at submillimeter wavelengths. The other, by K. Asano and K. Murase, reviews theoretical models for nonelectromagnetic emission from GRBs, mainly neutrinos and cosmic rays.

A set of three research articles in this special issue focus on specific topics of GRBs. One by Y. Kawakubo et al. studies the spectral lags and their implications from a sample of 40 Swift GRBs, while that of S. Dado and A. Dar discusses GRB 130603B and some possible theoretical models. The research article by J.-J. Wei et al. utilizes GRBs and Type Ia supernovae to constrain the Cardassian expansion model and dark energy.

Overall, this volume covers various topics about GRBs, summarizes previous results, presents progress during the Swift and Fermi mission periods, and describes fresh challenges from the new observations. We hope that GRB researchers find this work useful for their studies and that it helps lead to new results and progress toward solving the mysteries of GRBs.


We sincerely thank the authors and referees for all of their efforts as well as the Editorial Board members for publishing this special issue.

WeiKang Zheng
Xuefeng Wu
Takanori Sakamoto
Yuji Urata
Shashi B. Pandey

Copyright © 2015 WeiKang Zheng 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.

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