Related papers: Finding short GRB remnants in globular clusters: t…

Very-high-energy gamma-ray emission from the direction of the Galactic globular cluster Terzan 5

The H.E.S.S. very-high-energy (VHE, E > 0.1 TeV) gamma-ray telescope system has discovered a new source, HESS J1747-248. The measured integral flux is (1.2 +/- 0.3) \times 10^-12 cm-2 s-1 above 440 GeV for a power-law photon spectral index…

High Energy Astrophysical Phenomena · Physics 2015-05-28 HESS Collaboration , A. Abramowski , F. Acero , F. Aharonian , A. G. Akhperjanian , G. Anton , A. Balzer , A. Barnacka , U. Barres de Almeida , Y. Becherini , J. Becker , B. Behera , K. Bernloehr , A. Bochow , C. Boisson , J. Bolmont , P. Bordas , J. Brucker , F. Brun , P. Brun , T. Bulik , I. Buesching , S. Carrigan , S. Casanova , M. Cerruti , P. M. Chadwick , A. Charbonnier , R. C. G. Chaves , A. Cheesebrough , L. -M. Chounet , A. C. Clapson , G. Coignet , G. Cologna , J. Conrad , M. Dalton , M. K. Daniel , I. D. Davids , B. Degrange , C. Deil , H. J. Dickinson , A. Djannati-Atai , W. Domainko , L. O'C. Drury , F. Dubois , G. Dubus , K. Dutson , J. Dyks , M. Dyrda , K. Egberts , P. Eger , P. Espigat , L. Fallon , C. Farnier , S. Fegan , F. Feinstein , M. V. Fernandes , A. Fiasson , G. Fontaine , A. Foerster , M. Fuessling , Y. A. Gallant , H. Gast , L. Gerard , D. Gerbig , B. Giebels , J. F. Glicenstein , B. Glueck , P. Goret , D. Goering , S. Haeffner , J. D. Hague , D. Hampf , M. Hauser , S. Heinz , G. Heinzelmann , G. Henri , G. Hermann , J. A. Hinton , A. Hoffmann , W. Hofmann , P. Hofverberg , M. Holler , D. Horns , A. Jacholkowska , O. C. de Jager , C. Jahn , M. Jamrozy , I. Jung , M. A. Kastendieck , K. Katarzynski , U. Katz , S. Kaufmann , D. Keogh , D. Khangulyan , B. Khelifi , D. Klochkov , W. Kluzniak , T. Kneiske , Nu. Komin , K. Kosack , R. Kossakowski , H. Laffon , G. Lamanna , D. Lennarz , T. Lohse , A. Lopatin , C. -C. Lu , V. Marandon , A. Marcowith , J. Masbou , D. Maurin , N. Maxted , T. J. L. McComb , M. C. Medina , J. Mehault , N. Nguyen , R. Moderski , E. Moulin , C. L. Naumann , M. Naumann-Godo , M. de Naurois , D. Nedbal , D. Nekrassov , B. Nicholas , J. Niemiec , S. J. Nolan , S. Ohm , E. de Ona Wilhelmi , B. Opitz , M. Ostrowski , I. Oya , M. Panter , M. Paz Arribas , G. Pedaletti , G. Pelletier , P. -O. Petrucci , S. Pita , G. Puehlhofer , M. Punch , A. Quirrenbach , M. Raue , S. M. Rayner , A. Reimer , O. Reimer , M. Renaud , R. de los Reyes , F. Rieger , J. Ripken , L. Rob , S. Rosier-Lees , G. Rowell , B. Rudak , C. B. Rulten , J. Ruppel , F. Ryde , V. Sahakian , A. Santangelo , R. Schlickeiser , F. M. Schoeck , A. Schulz , U. Schwanke , S. Schwarzburg , S. Schwemmer , M. Sikora , J. L. Skilton , H. Sol , G. Spengler , L. Stawarz , R. Steenkamp , C. Stegmann , F. Stinzing , K. Stycz , I. Sushch , A. Szostek , J. -P. Tavernet , R. Terrier , M. Tluczykont , K. Valerius , C. van Eldik , G. Vasileiadis , C. Venter , J. P. Vialle , A. Viana , P. Vincent , H. J. Voelk , F. Volpe , S. Vorobiov , M. Vorster , S. J. Wagner , M. Ward , R. White , A. Wierzcholska , M. Zacharias , A. Zajczyk , A. A. Zdziarski , A. Zech , H. -S. Zechlin

Search for Very-high-energy \gamma-ray emission from Galactic globular clusters with H.E.S.S

Globular clusters (GCs) are established emitters of high-energy (HE, 100 MeV<E<100 GeV) \gamma-ray radiation which could originate from the cumulative emission of the numerous millisecond pulsars (msPSRs) in the clusters' cores or from…

High Energy Astrophysical Phenomena · Physics 2015-06-12 H. E. S. S. Collaboration , : , A. Abramowski , F. Acero , F. Aharonian , A. G. Akhperjanian , G. Anton , S. Balenderan , A. Balzer , A. Barnacka , Y. Becherini , J. Becker Tjus , K. Bernlöhr , E. Birsin , J. Biteau , A. Bochow , C. Boisson , J. Bolmont , P. Bordas , J. Brucker , F. Brun , P. Brun , T. Bulik , S. Carrigan , S. Casanova , M. Cerruti , P. M. Chadwick , R. C. G. Chaves , A. Cheesebrough , S. Colafrancesco , G. Cologna , J. Conrad , C. Couturier , M. Dalton , M. K. Daniel , I. D. Davids , B. Degrange , C. Deil , P. deWilt , H. J. Dickinson , A. Djannati-Ataï , W. Domainko , L. O'C. Drury , G. Dubus , K. Dutson , J. Dyks , M. Dyrda , K. Egberts , P. Eger , P. Espigat , L. Fallon , C. Farnier , S. Fegan , F. Feinstein , M. V. Fernandes , D. Fernandez , A. Fiasson , G. Fontaine , A. Förster , M. Füßling , M. Gajdus , Y. A. Gallant , T. Garrigoux , H. Gast , B. Giebels , J. F. Glicenstein , B. Glück , D. Göring , M. -H. Grondin , M. Grudzińska , S. Häffner , J. D. Hague , J. Hahn , D. Hampf , J. Harris , S. Heinz , G. Heinzelmann , G. Henri , G. Hermann , A. Hillert , J. A. Hinton , W. Hofmann , P. Hofverberg , M. Holler , D. Horns , A. Jacholkowska , C. Jahn , M. Jamrozy , I. Jung , M. A. Kastendieck , K. Katarzyński , U. Katz , S. Kaufmann , B. Khélifi , S. Klepser , D. Klochkov , W. Kluźniak , T. Kneiske , D. Kolitzus , Nu. Komin , K. Kosack , R. Kossakowski , F. Krayzel , P. P. Krüger , H. Laffon , G. Lamanna , J. Lefaucheur , M. Lemoine-Goumard , J. -P. Lenain , D. Lennarz , T. Lohse , A. Lopatin , C. -C. Lu , V. Marandon , A. Marcowith , J. Masbou , G. Maurin , N. Maxted , M. Mayer , T. J. L. McComb , M. C. Medina , J. Méhault , U. Menzler , R. Moderski , M. Mohamed , E. Moulin , C. L. Naumann , M. Naumann-Godo , M. de Naurois , D. Nedbal , N. Nguyen , J. Niemiec , S. J. Nolan , S. Ohm , E. de Oña Wilhelmi , B. Opitz , M. Ostrowski , I. Oya , M. Panter , R. D. Parsons , M. Paz Arribas , N. W. Pekeur , G. Pelletier , J. Perez , P. -O. Petrucci , B. Peyaud , S. Pita , G. Pühlhofer , M. Punch , A. Quirrenbach , S. Raab , M. Raue , A. Reimer , O. Reimer , M. Renaud , R. de los Reyes , F. Rieger , J. Ripken , L. Rob , S. Rosier-Lees , G. Rowell , B. Rudak , C. B. Rulten , V. Sahakian , D. A. Sanchez , A. Santangelo , R. Schlickeiser , A. Schulz , U. Schwanke , S. Schwarzburg , S. Schwemmer , F. Sheidaei , J. L. Skilton , H. Sol , G. Spengler , Ł. Stawarz , R. Steenkamp , C. Stegmann , F. Stinzing , K. Stycz , I. Sushch , A. Szostek , J. -P. Tavernet , R. Terrier , M. Tluczykont , C. Trichard , K. Valerius , C. van Eldik , G. Vasileiadis , C. Venter , A. Viana , P. Vincent , H. J. Völk , F. Volpe , S. Vorobiov , M. Vorster , S. J. Wagner , M. Ward , R. White , A. Wierzcholska , D. Wouters , M. Zacharias , A. Zajczyk , A. A. Zdziarski , A. Zech , H. -S. Zechlin

Search for Very-high-energy gamma-ray emission from Galactic globular clusters with H.E.S.S

Globular clusters (GCs) are established emitters of high-energy (HE, 100 MeV<E<100 GeV) \gamma-ray radiation which could originate from the cumulative emission of the numerous millisecond pulsars (msPSRs) in the clusters' cores or from…

High Energy Astrophysical Phenomena · Physics 2019-08-14 P. Eger , C. van Eldik

Discovery of VHE gamma-ray emission from the direction of the globular cluster Terzan 5

Globular clusters are old stellar systems which exhibit very-high stellar densities in their cores. The globular cluster Terzan 5 is characterized by a high stellar encounter rate and hosts the largest detected population of millisecond…

High Energy Astrophysical Phenomena · Physics 2019-08-14 W. Domainko , A. -C. Clapson , F. Brun , P. Eger , M. Jamrozy , M. Dyrda , N. Komin , U. Schwanke

The second H.E.S.S. gamma-ray burst catalogue: 15 years of observations with the H.E.S.S. telescopes

Recent observational efforts using imaging atmospheric Cherenkov telescopes (IACTs) have led to firm detections of very-high-energy (VHE) signals from bright gamma-ray bursts (GRBs), often at moderate redshifts. This work presents 15 years…

High Energy Astrophysical Phenomena · Physics 2026-03-24 A. Acharyya , F. Aharonian , C. Arcaro , H. Ashkar , M. Backes , V. Barbosa Martins , R. Batzofin , Y. Becherini , D. Berge , K. Bernlöhr , M. Böttcher , C. Boisson , J. Bolmont , J. Borowska , F. Brun , B. Bruno , C. Burger-Scheidlin , S. Casanova , J. Celic , M. Cerruti , S. Chandra , A. Chen , M. Chernyakova , J. O. Chibueze , O. Chibueze , T. Collins , B. Cornejo , G. Cotter , J. Damascene Mbarubucyeye , I. D. Davids , J. de Assis Scarpin , M. de Bony de Lavergne , M. de Naurois , E. de Oña Wilhelmi , A. G. Delgado Giler , J. Devin , A. Djannati-Ataï , J. Djuvsland , A. Dmytriiev , K. Egberts , K. Egg , J. -P. Ernenwein , C. Escañuela Nieves , M. D. Filipovic , G. Fontaine , S. Funk , S. Gabici , Y. A. Gallant , M. Genaro , J. F. Glicenstein , J. Glombitza , M. -H. Grondin , L. Heckmann , B. Heß , J. A. Hinton , W. Hofmann , T. L. Holch , M. Holler , D. Horns , Z. Huang , M. Jamrozy , F. Jankowsky , I. Jaroschewski , D. Jimeno Sanchez , I. Jung-Richardt , E. Kasai , K. Kasprzak , K. Katarzyński , D. Kerszberg , B. Khélifi , W. Kluzniak , N. Komin , K. Kosack , D. Kostunin , R. G. Lang , S. Lazarević , M. Lemoine-Goumard , J. -P. Lenain , P. Liniewicz , A. Luashvili , J. Mackey , D. Malyshev , D. Malyshev , V. Marandon , M. Mayer , A. Mehta , A. Mikhno , A. M. W. Mitchell , R. Moderski , M. O. Moghadam , L. Mohrmann , A. Montanari , E. Moulin , J. Niemiec , P. O'Brien , L. Olivera-Nieto , S. Panny , M. Panter , R. D. Parsons , U. Pensec , P. Pichard , S. Pita , G. Pühlhofer , M. Punch , A. Quirrenbach , M. Regeard , A. Reimer , O. Reimer , I. Reis , H. Ren , B. Reville , F. Rieger , G. Rowell , B. Rudak , E. Ruiz-Velasco , K. Sabri , V. Sahakian , H. Salzmann , D. A. Sanchez , A. Santangelo , M. Sasaki , F. Schüssler , M. Senniappan , J. N. S. Shapopi , W. Si Said , H. Sol , S. Spencer , Ł. Stawarz , S. Steinmassl , T. Tanaka , A. M. Taylor , G. L. Taylor , R. Terrier , M. Tsirou , T. Unbehaun , C. van Eldik , M. Vecchi , C. Venter , J. Vink , T. Wach , S. J. Wagner , A. Wierzcholska , M. Zacharias , A. A. Zdziarski , W. Zhong , S. J. Zhu , A. Zech

A gamma-ray burst remnant in our Galaxy: HESS J1303-631

We present the results of our investigation of the multiwavelength data on HESS J1303-631, an unidentified TeV source serendipitously discovered in the Galactic plane by the HESS collaboration. These results strongly suggest the…

Astrophysics · Physics 2010-11-11 A. Atoyan , J. Buckley , H. Krawczynski

Milagro Constraints on Very High Energy Emission from Short Duration Gamma-Ray Bursts

Recent rapid localizations of short, hard gamma-ray bursts (GRBs) by the Swift and HETE satellites have led to the observation of the first afterglows and the measurement of the first redshifts from this type of burst. Detection of >100 GeV…

Astrophysics · Physics 2009-06-23 A. A. Abdo , B. T. Allen , D. Berley , E. Blaufuss , S. Casanova , B. L. Dingus , R. W. Ellsworth , M. M. Gonzalez , J. A. Goodman , E. Hays , C. M. Hoffman , B. E. Kolterman , C. P. Lansdell , J. T. Linnemann , J. E. McEnery , A. I. Mincer , P. Nemethy , D. Noyes , J. M. Ryan , F. W. Samuelson , P. M. Saz Parkinson , A. Shoup , G. Sinnis , A. J. Smith , G. W. Sullivan , V. Vasileiou , G. P. Walker , D. A. Williams , X. W. Xu , G. B. Yodh

Revisiting Two Decades of GRB Observations: Assessing Missed Very High-Energy Detections and Future Prospects

Gamma-ray bursts (GRBs) are bright flashes of electromagnetic radiation originating from the core collapse of massive stars or the merger of compact objects. It has long been theorized that GRBs can emit very high-energy (VHE) gamma rays…

High Energy Astrophysical Phenomena · Physics 2025-08-12 Halim Ashkar , Stephen Fegan , Aurélie Sangaré

A Search for Diffuse X-ray Emission from GeV Detected Galactic Globular Clusters

Recently, diffuse and extended sources in TeV gamma-rays as well as in X-rays have been detected in the direction of the Galactic globular cluster (GC) Terzan 5. Remarkably, this is among the brightest GCs detected in the GeV regime. The…

High Energy Astrophysical Phenomena · Physics 2015-06-04 P. Eger , W. Domainko

Galaxies as seen through the most Energetic Explosions in the Universe

A gamma-ray burst (GRB) is a strong and fast gamma-ray emission from the explosion of stellar systems (massive stars or coalescing binary compact stellar remnants), happening at any possible redshift, and detected by space missions.…

Astrophysics of Galaxies · Physics 2015-07-15 Sandra Savaglio

GRB 241105A: A test case for GRB classification and rapid r-process nucleosynthesis channels

Gamma-ray bursts (GRBs) offer a powerful window to probe the progenitor systems responsible for the formation of heavy elements through the rapid neutron capture (r-) process, thanks to their exceptional luminosity, which allows them to be…

High Energy Astrophysical Phenomena · Physics 2025-11-05 Dimple , B. P. Gompertz , A. J. Levan , D. B. Malesani , T. Laskar , S. Bala , A. A. Chrimes , K. Heintz , L. Izzo , G. P. Lamb , D. O'Neill , J. T. Palmerio , A. Saccardi , G. E. Anderson , C. De Barra , Y. Huang , A. Kumar , H. Li , S. McBreen , O. Mukherjee , S. R. Oates , U. Pathak , Y. Qiu , O. J. Roberts , R. Sonawane , P. Veres , K. Ackley , X. Han , Y. Julakanti , J. Wang , P. D'Avanzo , A. Martin-Carrillo , M. E. Ravasio , A. Rossi , N. R. Tanvir , J. P. Anderson , M. Arabsalmani , S. Belkin , R. P. Breton , R. Brivio , E. Burns , J. Casares , S. Campana , S. I. Chastain , V. D'Elia , V. S. Dhillon , M. J. Dyer , J. P. U. Fynbo , D. K. Galloway , A. Gulati , B. Godson , A. J. Goodwin , M. Gromadzki , D. H. Hartmann , P. Jakobsson , T. L. Killestein , R. Kotak , J. K. Leung , J. D. Lyman , A. Melandri , S. Mattila , S. McGee , C. Morley , T. Mukherjee , T. E. Muller-Bravo , K. Noysena , L. K. Nuttall , P. O'Brien , M. De Pasquale , G. Pignata , D. Pollacco , G. Pugliese , G. Ramsay , A. Sahu , R. Salvaterra , P. Schady , B. Schneider , D. Steeghs , R. L. C. Starling , K. Tsalapatas , K. Ulaczyk , A. J. van der Horst , C. Wang , K. Wiersema , I. Worssam , M. E. Wortley , S. Xiong , T. Zafar

Search for merger ejecta emission from late time radio observations of short GRBs using GMRT

Short gamma-ray bursts (GRBs) are the aftermath of compact binary mergers involving neutron stars. If the merger remnant is a millisecond magnetar instead of a black hole, a significant proportion of the rotational energy deposited to the…

High Energy Astrophysical Phenomena · Physics 2024-01-23 Ankur Ghosh , C. S. Vaishnava , L. Resmi , Kuntal Misra , K. G. Arun , Amitesh Omar , N. K. Chakradhari

Gamma-Gamma Absorption in Gamma-Ray Burst Environments

Gamma-ray bursts (GRBs) are the most violent explosions in the universe, seen primarily as bright, short flashes of gamma-rays. Long GRBs are most likely associated with the violent death of a very massive star. They are thus believed to…

High Energy Astrophysical Phenomena · Physics 2017-04-25 Markus Böttcher Lenté Dreyer

H.E.S.S. observations of gamma-ray bursts in 2003-2007

Very-high-energy (VHE; >~100 GeV) gamma-rays are expected from gamma-ray bursts (GRBs) in some scenarios. Exploring this photon energy regime is necessary for understanding the energetics and properties of GRBs. GRBs have been one of the…

High Energy Astrophysical Phenomena · Physics 2009-02-27 F. Aharonian

Multiwavelength Modelling of the Globular Cluster Terzan 5

Diffuse X-ray emission has recently been detected from the globular cluster (GC) Terzan 5, extending out to ~2.5' from the cluster centre. This emission may arise from synchrotron radiation (SR) by energetic leptons being injected into the…

High Energy Astrophysical Phenomena · Physics 2012-10-05 I. Buesching , C. Venter , A. Kopp , O. C. de Jager , A. C. Clapson

Identifying Gamma-Ray Burst Remnants in Nearby Galaxies

We study the spectral signatures arising from cooling and recombination of an interstellar medium whose equilibrium state has been altered over \sim 100 pc by the radiation of a Gamma-Ray Burst (GRB) and its afterglow. We identify…

Astrophysics · Physics 2009-10-31 Rosalba Perna , John Raymond , Abraham Loeb

Occurrence of potentially hazardous GRBs launched in globular clusters

Nearby, Galactic gamma-ray bursts (GRBs) may affect the terrestrial biota if their radiation is beamed towards the Earth. Compact stellar binary mergers are possible central engines of short GRBs and their rate could be boosted in globular…

Earth and Planetary Astrophysics · Physics 2011-12-09 Wilfried F. Domainko

External Inverse-Compton Emission Associated with Extended and Plateau Emission of Short Gamma-Ray Bursts: Application to GRB 160821B

The recent detection of TeV photons from two gamma-ray bursts (GRBs), GRB 190114C and GRB 180720B, has opened a new window for multi-messenger and multi-wavelength astrophysics of high-energy transients. We study the origin of…

High Energy Astrophysical Phenomena · Physics 2021-02-26 B. Theodore Zhang , Kohta Murase , Chengchao Yuan , Shigeo S. Kimura , Peter Mészáros

External Inverse-Compton Emission from Low-Luminosity Gamma-Ray Bursts: Application to GRB 190829A

The detection of TeV gamma-ray bursts (GRBs) brought new opportunities for studying the physics of particle acceleration at relativistic shocks. The \hess telescopes recently observed very-high-energy (VHE) emission from a nearby…

High Energy Astrophysical Phenomena · Physics 2022-02-09 B. Theodore Zhang , Kohta Murase , Péter Veres , Péter Mészáros

Evidence of extended emission in GRB 181123B and other high-redshift short GRBs

We study the high-energy properties of GRB 181123B, a short gamma-ray burst (sGRB) at redshift $z\approx$1.75. We show that, despite its nominal short duration with $T_{90}<$2 s, this burst displays evidence of a temporally extended…

High Energy Astrophysical Phenomena · Physics 2022-07-05 S. Dichiara , E. Troja , P. Beniamini , B. O'Connor , M. Moss , A. Y. Lien , R. Ricci , L. Amati , G. Ryan , T. Sakamoto