Related papers: A kilonova associated with GRB 070809

Prompt emission from the counter jet of a short gamma-ray burst

The counter jet of a short gamma-ray burst (sGRB) has not yet been observed, while recent discoveries of gravitational waves (GWs) from a binary neutron star (NS) merger GW170817 and the associated sGRB 170817A have demonstrated that…

High Energy Astrophysical Phenomena · Physics 2018-03-28 Ryo Yamazaki , Kunihito Ioka , Takashi Nakamura

GRB 080503: Implications of a Naked Short Gamma-Ray Burst Dominated by Extended Emission

We report on observations of GRB 080503, a short gamma-ray burst with very bright extended emission (about 30 times the gamma-ray fluence of the initial spike) in conjunction with a thorough comparison to other short Swift events. In spite…

Astrophysics · Physics 2014-11-18 D. A. Perley , B. D. Metzger , J. Granot , N. R. Butler , T. Sakamoto , E. Ramirez-Ruiz , A. J. Levan , J. S. Bloom , A. A. Miller , A. Bunker , H. -W. Chen , A. V. Filippenko , N. Gehrels , K. Glazebrook , P. B. Hall , K. C. Hurley , D. Kocevski , W. Li , S. Lopez , J. Norris , A. L. Piro , D. Poznanski , J. X. Prochaska , E. Quataert , N. Tanvir

X-ray-powered macronovae

A macronova (or kilonova) was observed as an infrared excess several days after short gamma-ray burst, GRB 130603B. Although the $r$-process radioactivity is widely discussed as an energy source, it requires huge mass of ejecta from a…

High Energy Astrophysical Phenomena · Physics 2016-02-17 Shota Kisaka , Kunihito Ioka , Ehud Nakar

Discovery of the peculiar supernova 1998bw in the error box of GRB980425

The discovery of X-ray, optical and radio afterglows of gamma-ray bursts (GRBs) and the measurements of the distances to some of them have established that these events come from Gpc distances and are the most powerful photon emitters known…

Astrophysics · Physics 2009-10-30 T. J. Galama , P. M. Vreeswijk , J. van Paradijs , C. Kouveliotou , T. Augusteijn , O. R. Hainaut , F. Patat , H. Boehnhardt , J. Brewer , V. Doublier , J. -F. Gonzalez , C. Lidman , B. Leibundgut , J. Heise , J. in 't Zand , P. J. Groot , R. G. Strom , P. Mazzali , K. Iwamoto , K. Nomoto , H. Umeda , T. Nakamura , T. Koshut , M. Kippen , C. Robinson , P. de Wildt , R. A. M. J. Wijers , N. Tanvir , J. Greiner , E. Pian , E. Palazzi , F. Frontera , N. Masetti , L. Nicastro , E. Malozzi , M. Feroci , E. Costa , L. Piro , B. A. Peterson , C. Tinney , B. Boyle , R. Cannon , R. Stathakis , M. C. Begam , P. Ianna

Expected characteristics of the subclass of Supernova Gamma-ray Bursts (S-GRBs)

The spatial and temporal coincidence between the gamma-ray burst (GRB) 980425 and supernova (SN) 1998bw has prompted speculation that there exists a class of GRBs produced by SNe (``S-GRBs''). Robust arguments for the existence of a…

Astrophysics · Physics 2009-10-30 J. S. Bloom , S. R. Kulkarni , F. Harrison , T. Prince , E. S. Phinney , D. A. Frail

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

Thermal Emission in Gamma-Ray Burst Afterglows

We study thermal emission from circumstellar structures heated by gamma-ray burst (GRB) radiation and ejecta and calculate its contribution to GRB optical and X-ray afterglows using the modified radiation hydro-code small STELLA. It is…

High Energy Astrophysical Phenomena · Physics 2015-06-15 D. A. Badjin , S. I. Blinnikov , K. A. Postnov

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

Gamma-rays from kilonovae and the cosmic gamma-ray background

The recent detection of the gravitational wave event GW170817, produced by the coalescence of two neutron stars, and of its optical-infrared counterpart, powered by the radioactive decay of r-process elements, has opened a new window to…

High Energy Astrophysical Phenomena · Physics 2020-04-01 Pilar Ruiz-Lapuente , Oleg Korobkin

The XRF080109-SN2008D and a decade of GRB-Jet-SN connection

Last and nearest GRB-XRF 080109 has been an exceptional lesson on GRB nature. After a decade (since 25 April 08) we know that Supernovae may often contain a Jet. Its persistent activity may shine on axis as a GRBs. Such a persistent, thin…

High Energy Astrophysical Phenomena · Physics 2009-10-13 D. Fargion , D. D'Armiento , P. Oliva , F. Manniti

GRB 190829A -- A Showcase of Binary Late Evolution

GRB 190829A is the fourth closest gamma-ray burst (GRB) to date ($z=0.0785$). Owing to its wide range of radio, optical, X-ray, and the very-high-energy (VHE) observations by H.E.S.S., it has become an essential new source examined by…

High Energy Astrophysical Phenomena · Physics 2022-09-20 Yu Wang , J. A. Rueda , R. Ruffini , R. Moradi , Liang Li , Y. Aimuratov , F. Rastegarnia , S. Eslamzadeh , N. Sahakyan , Yunlong Zheng

Spectroscopy of the short-hard GRB 130603B: The host galaxy and environment of a compact object merger

Short duration gamma-ray bursts (SGRBs) are thought to be related to the violent merger of compact objects, such as neutron stars or black holes, which makes them promising sources of gravitational waves. The detection of a 'kilonova'-like…

Cosmology and Nongalactic Astrophysics · Physics 2014-03-17 A. de Ugarte Postigo , C. C. Thoene , A. Rowlinson , R. Garcia-Benito , A. J. Levan , J. Gorosabel , P. Goldoni , S. Schulze , T. Zafar , K. Wiersema , R. Sanchez-Ramirez , A. Melandri , P. D'Avanzo , S. Oates , V. D'Elia , M. De Pasquale , T. Kruehler , A. J. van der Horst , D. Xu , D. Watson , S. Piranomonte , S. Vergani , B. Milvang-Jensen , L. Kaper , D. Malesani , J. P. U. Fynbo , Z. Cano , S. Covino , H. Flores , S. Greiss , F. Hammer , O. E. Hartoog , S. Hellmich , C. Heuser , J. Hjorth , P. Jakobsson , S. Mottola , M. Sparre , J. Sollerman , G. Tagliaferri , N. R. Tanvir , M. Vestergaard , R. A. M. J. Wijers

The Electromagnetic Counterpart of the Binary Neutron Star Merger LIGO/VIRGO GW170817. VIII. A Comparison to Cosmological Short-duration Gamma-ray Bursts

We present a comprehensive comparison of the properties of the radio through X-ray counterpart of GW170817 and the properties of short-duration gamma-ray bursts (GRBs). For this effort, we utilize a sample of 36 short GRBs spanning a…

High Energy Astrophysical Phenomena · Physics 2017-10-17 W. Fong , E. Berger , P. K. Blanchard , R. Margutti , P. S. Cowperthwaite , R. Chornock , K. D. Alexander , B. D. Metzger , V. A. Villar , M. Nicholl , T. Eftekhari , P. K. G. Williams , J. Annis , D. Brout , D. A. Brown , H. -Y. Chen , Z. Doctor , H. T. Diehl , D. E. Holz , A. Rest , M. Sako , M. Soares-Santos

Extreme Variability in a Long Duration Gamma-ray Burst Associated with a Kilonova

The recent discovery of a kilonova from the long duration gamma-ray burst, GRB 211211A, challenges classification schemes based on temporal information alone. Gamma-ray properties of GRB 211211A reveal an extreme event, which stands out…

High Energy Astrophysical Phenomena · Physics 2024-11-21 P. Veres , P. N. Bhat , E. Burns , R. Hamburg , N. Fraija , D. Kocevski , R. Preece , S. Poolakkil , N. Christensen , M. A. Bizouard , T. Dal Canton , S. Bala , E. Bissaldi , M. S. Briggs , W. Cleveland , A. Goldstein , B. A. Hristov , C. M. Hui , S. Lesage , B. Mailyan , O. J. Roberts , C. A. Wilson-Hodge

Photometry and Spectroscopy of GRB 030329 and Its Associated Supernova 2003dh: The First Two Months

We present extensive optical and infrared photometry of the afterglow of gamma-ray burst (GRB) 030329 and its associated supernova (SN) 2003dh over the first two months after detection (2003 March 30-May 29 UT). Optical spectroscopy from a…

Astrophysics · Physics 2009-11-10 T. Matheson , P. M. Garnavich , K. Z. Stanek , D. Bersier , S. T. Holland , K. Krisciunas , N. Caldwell

Shading and Smothering of Gamma Ray Bursts

The gamma ray burst (GRB) 980425 is distinctive in that it seems to be associated with supernova (SN) 1998bw, has no X-ray afterglow, and has a single peak light curve and a soft spectrum. The supernova is itself unusual in that its…

Astrophysics · Physics 2009-10-31 D. Eichler , A. Levinson

GRB 060505: A possible short-duration gamma-ray burst in a star forming region at redshift of 0.09

On 2006 May 5, a four second duration, low energy, ~10^49 erg, Gamma-Ray Burst (GRB) was observed, spatially associated with a z=0.0894 galaxy. Here, we report the discovery of the GRB optical afterglow and observations of its environment…

Astrophysics · Physics 2010-05-12 E. O. Ofek , S. B. Cenko , A. Gal-Yam , D. B. Fox , E. Nakar , A. Rau , D. A. Frail , S. R. Kulkarni , P. A. Price , B. P. Schmidt , A. M. Soderberg , B. Peterson , E. Berger , K. Sharon , O. Shemmer , B. E. Penprase , R. A. Chevalier , P. J. Brown , D. N. Burrows , N. Gehrels , F. Harrison , S. T. Holland , V. Mangano , P. J. McCarthy , D. -S. Moon , J. A. Nousek , S. E. Persson , T. Piran , R. Sari

Kilonova emission from black hole-neutron star mergers: observational signatures of anisotropic mass ejection

The gravitational wave event GW170817 associated with the short gamma-ray burst (GRB) 170817A confirms that binary neutron star (BNS) mergers are one of the origins of short GRBs. The associated kilonova emission, radioactively powered by…

High Energy Astrophysical Phenomena · Physics 2018-10-31 Zhi-Qiu Huang , Liang-Duan Liu , Xiang-Yu Wang , Zi-Gao Dai

GRBs as Hypernovae

A standard fireball/afterglow model of a gamma-ray burst relates the event to a merging neutron star binary, or a neutron star - black hole binary, which places the events far away from star forming regions, and is thought to have an energy…

Astrophysics · Physics 2007-05-23 Bohdan Paczynski

Theoretical Implications of the Gamma-Ray Burst - Supernova Connection

Although observations of circumstellar shock interactions around supernovae are generally consistent with a 1/r**2 density profile wind surrounding the progenitor star, this is not true for GRB (gamma-ray burst) afterglows. However, GRB…

Astrophysics · Physics 2009-11-06 Roger A. Chevalier