Related papers: GRB 080913 at redshift 6.7

The redshift and afterglow of the extremely energetic gamma-ray burst GRB 080916C

The detection of GeV photons from gamma-ray bursts (GRBs) has important consequences for the interpretation and modelling of these most-energetic cosmological explosions. The full exploitation of the high-energy measurements relies,…

High Energy Astrophysical Phenomena · Physics 2009-11-13 J. Greiner , C. Clemens , T. Kruehler , A. v. Kienlin , A. Rau , R. Sari , D. B. Fox , N. Kawai , P. Afonso , M. Ajello , E. Berger , S. B. Cenko , A. Cucchiara , R. Filgas , S. Klose , A. Kuepue Yoldas , G. G. Lichti , S. Loew , S. McBreen , T. Nagayama , A. Rossi , S. Sato , G. Szokoly , A. Yoldas , X. -L. Zhang

The properties of GRB 120923A at a spectroscopic redshift of z=7.8

Gamma-ray bursts (GRBs) are powerful probes of early stars and galaxies, during and potentially even before the era of reionization. Although the number of GRBs identified at z>6 remains small, they provide a unique window on typical…

High Energy Astrophysical Phenomena · Physics 2018-10-10 N. R. Tanvir , T. Laskar , A. J. Levan , D. A. Perley , J. Zabl , J. P. U. Fynbo , J. Rhoads , S. B. Cenko , J. Greiner , K. Wiersema , J. Hjorth , A. Cucchiara , E. Berger , M. N. Bremer , Z. Cano , B. E. Cobb , S. Covino , V. D'Elia , W. Fong , A. S. Fruchter , P. Goldoni , F. Hammer , K. E. Heintz , P. Jakobsson , D. A. Kann , L. Kaper , S. Klose , F. Knust , T. Kruehler , D. Malesani , K. Misra , A. Nicuesa Guelbenzu , G. Pugliese , R. Sanchez-Ramirez , S. Schulze , E. R. Stanway , A. de Ugarte Postigo , D. Watson , R. A. M. J. Wijers , D. Xu

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

The GROND gamma-ray burst sample. I. Overview and statistics

A dedicated gamma-ray burst (GRB) afterglow observing program was performed between 2007 and 2016 with GROND, a seven-channel optical and near-infrared imager at the 2.2m telescope of the Max-Planck Society at ESO/La Silla. In this first of…

High Energy Astrophysical Phenomena · Physics 2024-10-21 J. Greiner , T. Krühler , J. Bolmer , S. Klose , P. M. J. Afonso , J. Elliott , R. Filgas , J. F. Graham , D. A. Kann , F. Knust , A. Küpcü Yoldaş , M. Nardini , A. M. Nicuesa Guelbenzu , F. Olivares Estay , A. Rossi , P. Schady , T. Schweyer , V. Sudilovsky , K. Varela , P. Wiseman

Afterglow spectrum of a gamma-ray burst with the highest known redshift z=6.295

Gamma-ray bursts (GRBs) and their afterglows have been proposed as an excellent probe to study the evolution of cosmic star formation, the reionization of the intergalactic medium, and the metal enrichment history of the universe, since the…

Astrophysics · Physics 2007-05-23 N. Kawai , G. Kosugi , K. Aoki , T. Yamada , T. Totani , K. Ohta , M. Iye , T. Hattori , W. Aoki , H. Furusawa , K. Hurley , K. Kawabata , N. Kobayashi , Y. Komiyama , Y. Mizumoto , K. Nomoto , J. Noumaru , R. Ogasawara , R. Sato , K. Sekiguchi , Y. Shirasaki , M. Suzuki , T. Takata , T. Tamagawa , H. Terada , J. Watanabe , Y. Yatsu , A. Yoshida

Discovery of Radio Afterglow from the Most Distant Cosmic Explosion

We report the discovery of radio afterglow emission from the gamma-ray burst GRB 090423, which exploded at a redshift of 8.3, making it the object with the highest known redshift in the Universe. By combining our radio measurements with…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 Poonam Chandra , Dale A. Frail , Derek Fox , Shrinivas Kulkarni , Edo BErger , S. Bradley Cenko , Douglas C. -J. Bock , Fiona Harrison , Mansi Kasliwal

Anatomy of A Dark Burst - The Afterglow of GRB 060108

We report the first detection of an optical afterglow of a GRB (060108) that would have been classified as 'dark' in the absence of deep, rapid ground-based optical imaging with the 2-m robotic Faulkes Telesscope (FTN). Our multiwavelength…

Astrophysics · Physics 2009-11-11 S. R. Oates , C. G. Mundell , S. Piranomonte , K. L. Page , M. De Pasquale , A. Monfardini , A. Melandri , S. Zane , C. Guidorzi , D. Malesani , A. Gomboc , N. Bannister , A. J. Blustin , M. Capalbi , D. Carter , P. D'Avanzo , S. Kobayashi , H. A. Krimm , P. T. O'Brien , M. J. Page , R. J. Smith , I. A. Steele , N. Tanvir

Broadband study of GRB 091127: a sub-energetic burst at higher redshift?

GRB 091127 is a bright gamma-ray burst (GRB) detected by Swift at a redshift z=0.49 and associated with SN 2009nz. We present the broadband analysis of the GRB prompt and afterglow emission and study its high-energy properties in the…

High Energy Astrophysical Phenomena · Physics 2015-06-03 E. Troja , T. Sakamoto , C. Guidorzi , J. P. Norris , A. Panaitescu , S. Kobayashi , N. Omodei , J. C. Brown , D. N. Burrows , P. A. Evans , N. Gehrels , F. E. Marshall , N. Mawson , A. Melandri , C. G. Mundell , S. R. Oates , V. Pal'shin , R. D. Preece , J. L. Racusin , I. A. Steele , N. R. Tanvir , V. Vasileiou , C. Wilson-Hodge , K. Yamaoka

On the nature of the extremely fast optical rebrightening of the afterglow of GRB 081029

Context. After the launch of the Swift satellite, the Gamma-Ray Burst (GRB) optical light-curve smoothness paradigm has been questioned thanks to the faster and better sampled optical follow-up, which has unveiled a very complex behaviour.…

High Energy Astrophysical Phenomena · Physics 2015-05-28 M. Nardini , J. Greiner , T. Kruehler , R. Filgas , S. Klose , P. Afonso , C. Clemens , A. Nicuesa Guelbenzu , F. Olivares E. , A. Rau , A. Rossi , A. Updike , A. Kupcu Yoldas , A. Yoldas , D. Burlon , J. Elliott , D. A. Kann

GRB 081008: from burst to afterglow and the transition phase in between

We present a multi-wavelength study of GRB 081008, at redshift 1.967, by Swift, ROTSE-III and GROND. Compared to other Swift GRBs, GRB 081008 has a typical gamma-ray isotropic equivalent energy output (10^53 erg) during the prompt phase,…

High Energy Astrophysical Phenomena · Physics 2015-05-18 F. Yuan , P. Schady , J. L. Racusin , R. Willingale , T. Kruhler , P. T. O'Brien , J. Greiner , S. R. Oates , E. S. Rykoff , F. Aharonian , C. W. Akerlof , M. C. B. Ashley , S. D. Barthelmy , R. Filgas , H. A. Flewelling , N. Gehrels , E. Gogus , T. Guver , D. Horns , U. Kiziloglu , H. A. Krimm , T. A. McKay , M. E. Ozel , S. B. Pandey , A. Phillips , R. M. Quimby , G. Rowell , W. Rujopakarn , B. E. Schaefer , W. T. Vestrand , J. C. Wheeler , J. Wren , W. Zheng

The Afterglow of GRB 130427A from 1 to 10^16 GHz

We present multiwavelength observations of the afterglow of GRB 130427A, the brightest (in total fluence) gamma-ray burst of the past 29 years. Optical spectroscopy from Gemini-North reveals the redshift of the GRB to be z=0.340, indicating…

High Energy Astrophysical Phenomena · Physics 2014-01-14 D. A. Perley , S. B. Cenko , A. Corsi , N. R. Tanvir , A. J. Levan , D. A. Kann , E. Sonbas , K. Wiersema , W. Zheng , X. -H. Zhao , J. -M. Bai , M. Bremer , A. J. Castro-Tirado , L. Chang , K. I. Clubb , D. Frail , A. Fruchter , E. Göğüş , J. Greiner , T. Güver , A. Horesh , A. V. Filippenko , S. Klose , J. Mao , A. N. Morgan , A. S. Pozanenko , S. Schmidl , B. Stecklum , M. Tanga , A. A. Volnova , A. E. Volvach , J. -G. Wang , J. -M. Winters , Y. -X. Xin

A mean redshift of 2.8 for Swift gamma-ray bursts

The exceptionally high luminosities of gamma-ray bursts (GRBs), gradually emerging as extremely useful probes of star formation, make them promising tools for exploration of the high-redshift Universe. Here we present a carefully selected…

Astrophysics · Physics 2010-04-06 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 , T. Pursimo , A. S. Árnadóttir , A. J. Castro-Tirado , C. J. Davis , H. J. Deeg , D. A. Fiuza , S. Mykolaitis , S. G. Sousa

A Photometric Redshift of z ~ 9.4 for GRB 090429B

Gamma-ray bursts (GRBs) serve as powerful probes of the early Universe, with their luminous afterglows revealing the locations and physical properties of star forming galaxies at the highest redshifts, and potentially locating first…

Cosmology and Nongalactic Astrophysics · Physics 2015-03-19 A. Cucchiara , A. J. Levan , D. B. Fox , N. R. Tanvir , T. N. Ukwatta , E. Berger , T. Krühler , A. Küpcü Yoldaş , X. F. Wu , K. Toma , J. Greiner , F. Olivares E. , A. Rowlinson , L. Amati , T. Sakamoto , K. Roth , A. Stephens , A. Fritz , J. P. U. Fynbo , J. Hjorth , D. Malesani , P. Jakobsson , K. Wiersema , P. T. O'Brien , A. M. Soderberg , R. J. Foley , A. S. Fruchter , J. Rhoads , R. E. Rutledge , B. P. Schmidt , M. A. Dopita , P. Podsiadlowski , R. Willingale , C. Wolf , S. R. Kulkarni , P. D'Avanzo

Finding high-redshift gamma-ray bursts in tandem near-infrared and optical surveys

The race for the most distant object in the Universe has been played by long-duration gamma-ray bursts (GRBs), star-forming galaxies and quasars. GRBs took a temporary lead with the discovery of GRB 090423 at a redshift z=8.2, but now the…

High Energy Astrophysical Phenomena · Physics 2022-10-19 S. Campana , G. Ghirlanda , R. Salvaterra , O. A. Gonzalez , M. Landoni , G. Pariani , A. Riva5 , M. Riva , S. J. Smartt , N. R. Tanvir , S. D. Vergani

A photometric redshift of $z=1.8^{+0.4}_{-0.3}$ for the \agile GRB 080514B

Aims: The AGILE gamma-ray burst GRB 080514B is the first burst with detected emission above 30 MeV and an optical afterglow. However, no spectroscopic redshift for this burst is known. Methods: We compiled ground-based photometric…

Astrophysics · Physics 2008-12-10 A. Rossi , A. de Ugarte Postigo , P. Ferrero , D. A. Kann , S. Klose , S. Schulze , J. Greiner , P. Schady , R. Filgas , E. E. Gonsalves , A. Küpcü Yoldaş , T. Krühler , G. Szokoly , A. Yoldaş , P. M. J. Afonso , C. Clemens , J. S. Bloom , D. A. Perley , J. P. U. Fynbo , A. J. Castro-Tirado , J. Gorosabel , P. Kubánek , A. C. Updike , D. H. Hartmann , A. Giuliani , S. T. Holland , L. Hanlon , M. Bremer , A. García-Hernández

Multi-wavelength observations of the energetic GRB 080810: detailed mapping of the broadband spectral evolution

GRB 080810 was one of the first bursts to trigger both Swift and the Fermi Gamma-ray Space Telescope. It was subsequently monitored over the X-ray and UV/optical bands by Swift, in the optical by ROTSE and a host of other telescopes and was…

High Energy Astrophysical Phenomena · Physics 2009-12-02 K. L. Page , R. Willingale , E. Bissaldi , A. de Ugarte Postigo , S. T. Holland , S. McBreen , P. T. O'Brien , J. P. Osborne , J. X. Prochaska , E. Rol , E. S. Rykoff , R. L. C. Starling , N. R. Tanvir , A. J. van der Horst , K. Wiersema , B. Zhang , F. J. Aceituno , C. Akerlof , A. P. Beardmore , M. S. Briggs , D. N. Burrows , A. J. Castro-Tirado , V. Connaughton , P. A. Evans , J. P. U. Fynbo , N. Gehrels , C. Guidorzi , A. W. Howard , J. A. Kennea , C. Kouveliotou , C. Pagani , R. Preece , D. Perley , F. Yuan

Four GRB-Supernovae at Redshifts between 0.4 and 0.8

Twenty years ago, GRB 980425/SN 1998bw revealed that long Gamma-Ray Bursts (GRBs) are physically associated with broad-lined type Ic supernovae. Since then more than 1000 long GRBs have been localized to high angular precision, but only in…

High Energy Astrophysical Phenomena · Physics 2019-02-13 S. Klose , S. Schmidl , D. A. Kann , A. Nicuesa Guelbenzu , S. Schulze , J. Greiner , F. Olivares , T. Kruehler , P. Schady , P. M. J. Afonso , R. Filgas , J. P. U. Fynbo , D. A. Perley , A. Rau , A. Rossi , K. Takats , M. Tanga , A. C. Updike , K. Varela

Detection of a very bright optical flare from a gamma-ray burst at redshift 6.29

In this letter we discuss the flux and the behavior of the bright optical flare emission detected by the 25 cm TAROT robotic telescope during the prompt high-energy emission and the early afterglow. We combine our data with simultaneous…

Astrophysics · Physics 2016-08-16 Michel Boër , J. L. Atteia , Y. Damerdji , B. Gendre , A. Klotz , G. Stratta

The Redshift of GRB 970508

GRB 970508 is the second gamma-ray burst (GRB) for which an optical afterglow has been detected. It is the first GRB for which a distance scale has been determined: absorption and emission features in spectra of the optical afterglow place…

Astrophysics · Physics 2015-06-24 Daniel E. Reichart

GRB 070714B - Discovery of the Highest Spectroscopically Confirmed Short Burst Redshift

We detect the optical afterglow and host galaxy of GRB 070714B. Our observations of the afterglow show an initial plateau in the lightcurve for approximately the first 5 to 25 minutes, then steepening to a powerlaw decay with index alpha=…

Astrophysics · Physics 2014-11-18 J. F. Graham , A. S. Fruchter , A. J. Levan , A. Melandri , L. J. Kewley , E. M. Levesque , M. Nysewander , N. R. Tanvir , T. Dahlen , D. Bersier , K. Wiersema , D. G. Bonfield , A. Martinez-Sansigre