Related papers: The high-redshift gamma-ray burst GRB140515A

Soft X-ray prompt emission from a high-redshift gamma-ray burst EP240315a

Long gamma-ray bursts (GRBs) are believed to originate from core collapse of massive stars. High-redshift GRBs can probe the star formation and reionization history of the early universe, but their detection remains rare. Here we report the…

High Energy Astrophysical Phenomena · Physics 2024-04-26 Y. Liu , H. Sun , D. Xu , D. S. Svinkin , J. Delaunay , N. R. Tanvir , H. Gao , C. Zhang , Y. Chen , X. -F. Wu , B. Zhang , W. Yuan , J. An , G. Bruni , D. D. Frederiks , G. Ghirlanda , J. -W. Hu , A. Li , C. -K. Li , J. -D. Li , D. B. Malesani , L. Piro , G. Raman , R. Ricci , E. Troja , S. D. Vergani , Q. -Y. Wu , J. Yang , B. -B. Zhang , Z. -P. Zhu , A. de Ugarte Postigo , A. G. Demin , D. Dobie , Z. Fan , S. -Y. Fu , J. P. U. Fynbo , J. -J. Geng , G. Gianfagna , Y. -D. Hu , Y. -F. Huang , S. -Q. Jiang , P. G. Jonker , Y. Julakanti , J. A. Kennea , A. A. Kokomov , E. Kuulkers , W. -H. Lei , J. K. Leung , A. J. Levan , D. -Y. Li , Y. Li , S. P. Littlefair , X. Liu , A. L. Lysenko , Y. -N. Ma , A. Martin-Carrillo , P. O'Brien , T. Parsotan , J. Quirola-Vasquez , A. V. Ridnaia , S. Ronchini , A. Rossi , D. Mata-Sanchez , B. Schneider , R. -F. Shen , A. L. Thakur , A. Tohuvavohu , M. A. P. Torres , A. E. Tsvetkova , M. V. Ulanov , J. -J. Wei , D. Xiao , Y. -H. I. Yin , M. Bai , V. Burwitz , Z. -M. Cai , F. -S. Chen , H. -L. Chen , T. -X. Chen , W. Chen , Y. -F. Chen , Y. -H. Chen , H. -Q. Cheng , C. -Z. Cui , W. -W. Cui , Y. -F. Dai , Z. -G. Dai , J. Eder , D. -W. Fan , C. Feldman , H. Feng , Z. Feng , P. Friedrich , X. Gao , J. Guan , D. -W Han , J. Han , D. -J. Hou , H. -B. Hu , T. Hu , M. -H. Huang , J. Huo , I. Hutchinson , Z. Ji , S. -M. Jia , Z. -Q. Jia , B. -W. Jiang , C. -C. Jin , G. Jin , J. -J. Jin , A. Keereman , H. Lerman , J. -F. Li , L. -H. Li , M. -S. Li , W. Li , Z. -D. Li , T. -Y. Lian , E. -W. Liang , Z. -X. Ling , C. -Z. Liu , H. -Y. Liu , H. -Q. Liu , M. -J. Liu , Y. -R. Liu , F. -J. Lu , H. -J. LU , L. -D. Luo , F. L. Ma , J. Ma , J. -R. Mao , X. Mao , M. McHugh , N. Meidinger , K. Nandra , J. P. Osborne , H. -W. Pan , X. Pan , M. E. Ravasio , A. Rau , N. Rea , U. Rehman , J. Sanders , A. Santovincenzo , L. -M. Song , J. Su , L. -J. Sun , S. -L. Sun , X. -J. Sun , Y. -Y. Tan , Q. -J. Tang , Y. -H. Tao , J. -Z. Tong , H. Wang , J. Wang , L. Wang , W. -X. Wang , X. -F. Wang , X. -Y. Wang , Y. -L. Wang , Y. -S. Wang , D. -M. Wei , R. Willingale , S. -L. Xiong , H. -T. Xu , J. -J. Xu , X. -P. Xu , Y. -F. Xu , Z. Xu , C. -B. Xue , Y. -L. Xue , A. -L. Yan , F. Yang , H. -N. Yang , X. -T. Yang , Y. -J Yang , Y. -W. Yu , J. Zhang , M. Zhang , S. -N. Zhang , W. -D. Zhang , W. -J. Zhang , Y. -H. Zhang , Z. Zhang , Z. Zhang , Z. -L. Zhang , D. -H. Zhao , H. -S. Zhao , X. -F. Zhao , Z. -J. Zhao , L. -X. Zhou , Y. -L. Zhou , Y. -X. Zhu , Z. -C. Zhu , X. -X. Zuo

Detection of GRB 060927 at z = 5.47: Implications for the Use of Gamma-Ray Bursts as Probes of the End of the Dark Ages

We report on follow-up observations of the GRB 060927 using the ROTSE-IIIa telescope and a suite of larger aperture ground-based telescopes. An optical afterglow was detected 20 s after the burst, the earliest rest-frame detection of…

Astrophysics · Physics 2008-04-14 A. E. Ruiz-Velasco , H. Swan , E. Troja , D. Malesani , J. P. U. Fynbo , R. L. C. Starling , D. Xu , F. Aharonian , C. Akerlof , M. I. Andersen , M. C. B. Ashley , S. D. Barthelmy , D. Bersier , J. M. Castro Cerón , A. J. Castro-Tirado , N. Gehrels , E. Göğüş , J. Gorosabel , C. Guidorzi , T. Güver , J. Hjorth , D. Horns , K. Y. Huang , P. Jakobsson , B. L. Jensen , Ü. Kızıloǧlu , C. Kouveliotou , H. A. Krimm , C. Ledoux , A. J. Levan , T. Marsh , T. McKay , A. Melandri , B. Milvang-Jensen , C. G. Mundell , P. T. O'Brien , M. Özel , A. Phillips , R. Quimby , G. Rowell , W. Rujopakarn , E. S. Rykoff , B. E. Schaefer , J. Sollerman , N. R. Tanvir , C. C. Thöne , Y. Urata , W. T. Vestrand , P. M. Vreeswijk , D. Watson , J. C. Wheeler , R. A. M. J. Wijers , J. Wren , S. A. Yost , F. Yuan , M. Zhai , W. K. Zheng

Probing the warm Inter-Galactic Medium through absorption against Gamma Ray Bursts X-ray afterglows

Gamma Ray Burst (GRB) afterglows close to their peak intensity are among the brightest X-ray sources in the sky. Despite their fast power-law like decay, when fluxes are integrated from minutes up to hours after the GRB event, the…

Astrophysics · Physics 2009-10-31 F. Fiore , F. Nicastro , S. Savaglio , L. Stella , M. Vietri

The mysterious optical afterglow spectrum of GRB140506A at z=0.889

Context. Gamma-ray burst (GRBs) afterglows probe sightlines to star-forming regions in distant star-forming galaxies. Here we present a study of the peculiar afterglow spectrum of the z = 0.889 Swift GRB 140506A. Aims. Our aim is to…

Astrophysics of Galaxies · Physics 2014-11-19 J. P. U. Fynbo , T. Krühler , K. Leighly , C. Ledoux , P. M. Vreeswijk , S. Schulze , P. Noterdaeme , D. Watson , R. A. M. J. Wijers , J. Bolmer , Z. Cano , L. Christensen , S. Covino , V. D'Elia , H. Flores , M. Friis , P. Goldoni , J. Greiner , F. Hammer , J. Hjorth , P. Jakobsson , J. Japelj , L. Kaper , S. Klose , F. Knust , G. Leloudas , A. Levan , D. Malesani , B. Milvang-Jensen , P. Møller , A. Nicuesa Guelbenzu , S. Oates , E. Pian , P. Schady , M. Sparre , G. Tagliaferri , N. Tanvir , C. C. Thöne , A. de Ugarte Postigo , S. Vergani , K. Wiersema , D. Xu , T. Zafar

Multi-Wavelength Observations of GRB 050820A: An Exceptionally Energetic Event Followed from Start to Finish

We present observations of the unusually bright and long gamma-ray burst GRB 050820A, one of the best-sampled broadband data sets in the Swift era. The gamma-ray light curve is marked by a soft precursor pulse some 200 s before the main…

Astrophysics · Physics 2010-05-12 S. B. Cenko , M. Kasliwal , F. A. Harrison , V. Pal'shin , D. A. Frail , P. B. Cameron , E. Berger , D. B. Fox , A. Gal-Yam , S. R. Kulkarni , D. -S. Moon , E. Nakar , E. O. Ofek , B. E. Penprase , P. A. Price , R. Sari , B. P. Schmidt , A. M. Soderberg , R. Aptekar , D. Frederiks , S. Golenetskii , D. N. Burrows , R. A. Chevalier , N. Gehrels , P. J. McCarthy , J. A. Nousek , S. E. Persson , T. Piran

GRB 110205A: Anatomy of a long gamma-ray burst

The Swift burst GRB 110205A was a very bright burst visible in the Northern hemisphere. GRB 110205A was intrinsically long and very energetic and it occurred in a low-density interstellar medium environment, leading to delayed afterglow…

High Energy Astrophysical Phenomena · Physics 2015-05-30 B. Gendre , J. L. Atteia , M. Boër , F. Colas , A. Klotz , F. Kugel , M. Laas-Bourez , C. Rinner , J. Strajnic , G. Stratta , F. Vachier

The afterglow and host galaxy of GRB 090205: evidence for a Ly-alpha emitter at z=4.65

Gamma-ray bursts have been proved to be detectable up to distances much larger than any other astrophysical object, providing the most effective way, complementary to ordinary surveys, to study the high redshift universe. To this end, we…

High Energy Astrophysical Phenomena · Physics 2015-05-19 P. D'Avanzo , M. Perri , D. Fugazza , R. Salvaterra , G. Chincarini , R. Margutti , X. F. Wu , C. C. Thoene , A. Fernandez-Soto , T. N. Ukwatta , D. N. Burrows , N. Gehrels , P. Meszaros , K. Toma , B. Zhang , S. Covino , S. Campana , V. D'Elia , M. Della Valle , S. Piranomonte

Revealing x-ray and gamma ray temporal and spectral similarities in the GRB 190829A afterglow

Gamma-ray bursts (GRBs), which are bright flashes of gamma rays from extragalactic sources followed by fading afterglow emission, are associated with stellar core collapse events. We report the detection of very-high-energy (VHE) gamma rays…

High Energy Astrophysical Phenomena · Physics 2021-06-07 H. E. S. S. Collaboration

VLBI observations of GRB 201015A, a relatively faint GRB with a hint of Very High Energy gamma-ray emission

GRB 201015A is a long-duration Gamma-Ray Burst (GRB) which was detected at very high energies (> 100 GeV) using the MAGIC telescopes. If confirmed, this would be the fifth and least luminous GRB ever detected at this energies. We performed…

High Energy Astrophysical Phenomena · Physics 2022-08-10 S. Giarratana , L. Rhodes , B. Marcote , R. Fender , G. Ghirlanda , M. Giroletti , L. Nava , J. M. Paredes , M. E. Ravasio , M. Ribo , M. Patel , J. Rastinejad , G. Schroeder , W. Fong , B. P. Gompertz , A. J. Levan , P. O'Brien

GRB 100219A with X-shooter - abundances in a galaxy at z = 4.7

Abundances of galaxies at redshifts z > 4 are difficult to obtain from damped Ly {\alpha} (DLA) systems in the sightlines of quasars (QSOs) due to the Ly {\alpha} forest blanketing and the low number of high-redshift quasars detected.…

High Energy Astrophysical Phenomena · Physics 2015-06-05 C. C. Thoene , J. P. U. Fynbo , P. Goldoni , A. de Ugarte Postigo , S. Campana , S. D. Vergani , S. Covino , T. Kruehler , L. Kaper , N. Tanvir , T. Zafar , V. D'Elia , J. Gorosabel , J. Greiner , P. Groot , F. Hammer , P. Jakobsson , S. Klose , A. J. Levan , B. Milvang-Jensen , A. Nicuesa Guelbenzu , E. Palazzi , S. Piranomonte , G. Tagliaferri , D. Watson , K. Wiersema , R. A. M. J. Wijers

Afterglow Emission from Naked Gamma-Ray Bursts

We calculate the {\it afterglow} emission for Gamma-Ray Bursts (GRBs) going off in an extremely low density medium, referred to as {\it naked bursts}. Our results also apply to the case where the external medium density falls off sharply at…

Astrophysics · Physics 2009-10-31 Pawan Kumar , Alin Panaitescu

The early and late-time spectral and temporal evolution of GRB 050716

We report on a comprehensive set of observations of Gamma Ray Burst 050716, detected by the Swift satellite and subsequently followed-up rapidly in X-ray, optical and near infra-red wavebands. The prompt emission is typical of long-duration…

Astrophysics · Physics 2008-11-26 E. Rol , J. P. Osborne , K. L. Page , K. E. McGowan , A. P. Beardmore , P. T . O'Brien , A. J. Levan , D. Bersier , C. Guidorzi , F. Marshall , A. S. Fruchter , N. R. Tanvir , A. Monfardini , A. Gomboc , S. Barthelmy , N. P. Bannister

The Radio to Infrared Emission of Very High Redshift Gamma-Ray Bursts: Probing Early Star Formation through Molecular and Atomic Absorption Lines

We evaluate the broadband afterglow emission of very high redshift gamma-ray bursts (GRBs) using standard relativistic blastwave models with both forward and reverse shock components. For a broad range of parameters, a generic property for…

Astrophysics · Physics 2008-11-26 Susumu Inoue , Kazuyuki Omukai , Benedetta Ciardi

Gamma-ray burst afterglows as probes of galactic and intergalactic dust

The amount and properties of high-redshift galactic and intergalactic (IG) dust are largely unknown, but could be investigated using multi-wavelength photometry of high-z objects that have a known intrinsic spectrum. Observations of…

Astrophysics · Physics 2009-10-31 Rosalba Perna , Anthony Aguirre

Constraining the nature of the most distant Gamma-Ray Burst host galaxies

Long duration gamma-ray bursts (GRBs) allow us to explore the distant Universe, and are potentially the most effective tracer of the most distant objects. Our current knowledge of the properties of GRB host galaxies at redshifts >5 is very…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-04 S. Basa , J. G. Cuby , S. Savaglio , S. Boissier , B. Clement , H. Flores , D. Le Borgne , A. Mazure

GRB 050814 at z = 5.3 and the Redshift Distribution of Swift GRBs

We report optical, near-infrared and X-ray observations of the afterglow of GRB 050814, which was seen to exhibit very red optical colours. By modelling its spectral energy distribution we find that z = 5.3 +/- 0.3. We next present a…

Astrophysics · Physics 2009-11-11 P. Jakobsson , A. Levan , J. P. U. Fynbo , R. Priddey , J. Hjorth , N. Tanvir , D. Watson , B. L. Jensen , J. Sollerman , P. Natarajan , J. Gorosabel , J. M. Castro Cerón , K. Pedersen

Variable Ly alpha sheds light on the environment surrounding GRB 090426

Long duration gamma-ray bursts are commonly associated with the deaths of massive stars. Spectroscopic studies using the afterglow as a light source provide a unique opportunity to unveil the medium surrounding it, probing the densest…

High Energy Astrophysical Phenomena · Physics 2015-03-17 C. C. Thöne , S. Campana , D. Lazzati , A. de Ugarte Postigo , J. P. U. Fynbo , L. Christensen , A. J. Levan , M. A. Aloy , J. Hjorth , P. Jakobsson , E. M. Levesque , D. Malesani , B. Milvang-Jensen , P. W. A. Roming , N. R. Tanvir , K. Wiersema , M. Gladders , E. Wuyts , H. Dahle

A very-high-energy component deep in the Gamma-ray Burst afterglow

Gamma-ray bursts (GRBs) are brief flashes of gamma rays, considered to be the most energetic explosive phenomena in the Universe. The emission from GRBs comprises a short (typically tens of seconds) and bright prompt emission, followed by a…

High Energy Astrophysical Phenomena · Physics 2019-11-21 H. Abdalla R. Adam F. Aharonian F. Ait Benkhali E. O. Anguener M. Arakawa , C. Arcaro , C. Armand , H. Ashkar , M. Backes , V. Barbosa Martins , M. Barnard Y. Becherini , D. Berge , K. Bernloehr , E. Bissaldi , R. Blackwell , M. Boettcher , C. Boisson , J. Bolmont , S. Bonnefoy , J. Bregeon , M. Breuhaus , F. Brun , P. Brun , M. Bryan , M. Buechele , T. Bulik , T. Bylund , M. Capasso , S. Caroff , A. Carosi , S. Casanova , M. Cerruti , T. Chand , S. Chandra , A. Chen , S. Colafrancesco , M. Curylo , I. D. Davids , C. Deil , J. Devin , P. deWilt , L. Dirson , A. Djannati-Atai , A. Dmytriiev , A. Donath , V. Doroshenko , J. Dyks , K. Egberts , G. Emery , J. -P. Ernenwein , S. Eschbach , K. Feijen , S. Fegan , A. Fiasson , G. Fontaine , S. Funk , M. Fuessling , S. Gabici , Y. A. Gallant , F. Gate , G. Giavitto , L. Giunti , D. Glawion , J. F. Glicenstein , D. Gottschall , M. -H. Grondin , J. Hahn , M. Haupt , G. Heinzelmann , G. Henri , G. Hermann , J. A. Hinton , W. Hofmann , C. Hoischen , T. L. Holch , M. Holler , D. Horns , D. Huber , H. Iwasaki , M. Jamrozy , D. Jankowsky , F. Jankowsky , A. Jardin-Blicq , I. Jung-Richardt , M. A. Kastendieck , K. Katarzynski , M. Katsuragawa , U. Katz , D. Khangulyan , B. Khelifi , J. King , S. Klepser , W. Kluzniak , N. Komin , K. Kosack , D. Kostunin , M. Kreter , G. Lamanna , A. Lemiere , M. Lemoine-Goumard , J. -P. Lenain , E. Leser , C. Levy , T. Lohse , I. Lypova , J. Mackey , J. Majumdar , D. Malyshev , V. Marandon , A. Marcowith , A. Mares , C. Mariaud , G. Marti-Devesa , R. Marx , G. Maurin , P. J. Meintjes , A. M. W. Mitchell , R. Moderski , M. Mohamed , L. Mohrmann , C. Moore , E. Moulin , J. Muller , T. Murach , S. Nakashima , M. de Naurois , H. Ndiyavala , F. Niederwanger , J. Niemiec , L. Oakes , P. O Brien , H. Odaka , S. Ohm , E. de Ona Wilhelmi , M. Ostrowski , I. Oya , M. Panter , R. D. Parsons , C. Perennes , P. -O. Petrucci , B. Peyaud , Q. Piel , S. Pita , V. Poireau , A. Priyana Noel , D. A. Prokhorov , H. Prokoph , G. Puehlhofer , M. Punch , A. Quirrenbach , S. Raab , R. Rauth , A. Reimer , O. Reimer , Q. Remy , M. Renaud , F. Rieger , L. Rinchiuso , C. Romoli , G. Rowell , B. Rudak , E. Ruiz-Velasco , V. Sahakian , S. Sailer , S. Saito , D. A. Sanchez , A. Santangelo , M. Sasaki , R. Schlickeiser , F. Schuessler , A. Schulz , H. M. Schutte , U. Schwanke , S. Schwemmer , M. Seglar-Arroyo , M. Senniappan , A. S. Seyffert , N. Shafi , K. Shiningayamwe , R. Simoni , A. Sinha , H. Sol , A. Specovius , M. Spir-Jacob , L. Stawarz , R. Steenkamp , C. Stegmann , C. Steppa , T. Takahashi , T. Tavernier , A. M. Taylor , R. Terrier , D. Tiziani , M. Tluczykont , C. Trichard , M. Tsirou , N. Tsuji , R. Tuffs , Y. Uchiyama , D. J. van der Walt , C. van Eldik , C. van Rensburg , B. van Soelen , G. Vasileiadis , J. Veh , C. Venter , P. Vincent , J. Vink , H. J. Voelk , T. Vuillaume , Z. Wadiasingh , S. J. Wagner , R. White , A. Wierzcholska , R. Yang , H. Yoneda , M. Zacharias , R. Zanin , A. A. Zdziarski , A. Zech , A. Ziegler , J. Zorn , N. Zywucka , F. de Palma , M. Axelsson , O. J. Roberts

An apparently normal gamma-ray burst with an unusually low luminosity

Much of progress in gamma-ray bursts has come from the studies of distant events (redshift z~1). The brightest GRBs are the most collimated events and seen across the Universe due to their brilliance. It has long been suspected that nearest…

Astrophysics · Physics 2009-11-10 S. Sazonov , A. Lutovinov , R. Sunyaev

A new population of ultra-long duration gamma-ray bursts

We present comprehensive multiwavelength observations of three gamma-ray bursts (GRBs) with durations of several thousand seconds. We demonstrate that these events are extragalactic transients; in particular we resolve the long-standing…

High Energy Astrophysical Phenomena · Physics 2014-02-04 A. J. Levan , N. R. Tanvir , R. L. C. Starling , K. Wiersema , K. L. Page , D. A. Perley , S. Schulze , G. A. Wynn , R. Chornock , J. Hjorth , S. B. Cenko , A. S. Fruchter , P. T. O'Brien , G. C. Brown , R. L. Tunnicliffe , D. Malesani , P. Jakobsson , D. Watson , E. Berger , D. Bersier , B. E. Cobb , S. Covino , A. Cucchiara , A. de Ugarte Postigo , D. B. Fox , A. Gal-Yam , P. Goldoni , J. Gorosabel , L. Kaper , T. Kruehler , R. Karjalainen , J. P. Osborne , E. Pian , R. Sanchez-Ramirez , B. Schmidt , I. Skillen , G. Tagliaferri , C. Thone , O. Vaduvescu , R. A. M. J. Wijers , B. A. Zauderer