Related papers: A Search for Untriggered GRB Afterglows with ROTSE…

Prediction of Multi-Wavelength Afterglows Associated with FRB 20200120E and FRB 20201124A

Fast radio bursts (FRBs) are mysterious radio transients with uncertain origins and environments. Recent studies suggest that some active FRBs may originate from compact objects in binary systems. In this work, we develop a unified…

High Energy Astrophysical Phenomena · Physics 2026-02-18 Ke Bian , Can-Min Deng

Population III GRB Afterglows: Constraints on Stellar Masses and External Medium Densities

Population III stars are theoretically expected to be prominent around redshifts z ~ 20, consisting of mainly very massive stars with M_* >~ 10 M_sun$, but there is no direct observational evidence for these objects. They may produce…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 Kenji Toma , Takanori Sakamoto , Peter Meszaros

Very-High-Energy Gamma-Ray Afterglows of GRB 201015A and GRB 201216C

Gamma-ray bursts (GRBs) 201015A and 201216C are valuable cases with detection of very high energy (VHE) gamma-ray afterglows. By analysing their prompt emission data, we find that GRB 201216C is an extremely energetic long GRB with a hard…

High Energy Astrophysical Phenomena · Physics 2023-08-02 Lu-Lu Zhang , Jia Ren , Yun Wang , En-Wei Liang

UVES-VLT High Resolution Spectroscopy of GRB080319B and GRB080330 Afterglows

We study here the Gamma-Ray Burst (GRB) environment through the analysis of the optical absorption features due to the gas surrounding the GRB. In particular, we analyze high resolution spectroscopic observations of GRB080319B and GRB080330…

Cosmology and Nongalactic Astrophysics · Physics 2009-07-10 Valerio D'Elia

The Intensity Distribution of Faint Gamma-ray Bursts Detected with BATSE

We have recently completed a search of 6 years of archival BATSE data for gamma-ray bursts (GRBs) that were too faint to activate the real-time burst detection system running onboard the spacecraft. These "non-triggered" bursts can be…

Astrophysics · Physics 2009-09-25 J. M. Kommers , W. H. G. Lewin , C. Kouveliotou , J. van Paradijs , G. N. Pendleton , C. A. Meegan , G. J. Fishman

The prompt, high resolution spectroscopic view of the "naked-eye" GRB080319B

GRB080319B reached 5th optical magnitude during the burst prompt emission. Thanks to the VLT/UVES rapid response mode, we observed its afterglow just 8m:30s after the GRB onset when the magnitude was R ~ 12. This allowed us to obtain the…

Astrophysics · Physics 2009-06-23 V. D'Elia , F. Fiore , R. Perna , Y. Krongold , S. Covino , D. Fugazza , D. Lazzati , F. Nicastro , L. A. Antonelli , S. Campana , G. Chincarini , P. D'Avanzo , M. Della Valle , P. Goldoni , D. Guetta , C. Guidorzi , E. J. A. Meurs , F. Mirabel E. Molinari , L. Norci , S. Piranomonte , L. Stella , G. Stratta , G. Tagliaferri , P. Ward

Refined Astrometry and Positions for 179 Swift X-ray Afterglows

We present a refined catalog for the positions of 179 Gamma-ray burst (GRB) X-ray afterglows observed by the X-ray Telescope (XRT) on Swift prior to November 1, 2006. The positions are determined by detecting X-ray field sources in the deep…

Astrophysics · Physics 2008-11-26 N. R. Butler

Synchrotron Self-Compton Emission in the Two-Component Jet Model for Gamma-Ray Bursts

Gamma-ray bursts (GRBs) are intense bursts of high-energy photons (prompt emissions) caused by relativistic jets. After the emissions, multi-wavelength afterglows, from radio to very-high-energy (VHE) gamma-ray, last for more than a few…

High Energy Astrophysical Phenomena · Physics 2023-01-10 Yuri Sato , Kaori Obayashi , B. Theodre Zhang , Shuta J. Tanaka , Kohta Murase , Yutaka Ohira , Ryo Yamazaki

A multi-wavelength analysis of a collection of short-duration GRBs observed between 2012-2015

We investigate the prompt emission and the afterglow properties of short duration gamma-ray burst (sGRB) 130603B and another eight sGRB events during 2012-2015, observed by several multi-wavelength facilities including the GTC 10.4m…

High Energy Astrophysical Phenomena · Physics 2019-03-06 S. B. Pandey , Y. Hu , A. J. Castro-Tirado , A. S. Pozanenko , R. Sánchez-Ramírez , J. Gorosabel , 5 S. Guziy , M. Jelinek , J. C. Tello , S. Jeong , S. R. Oates , B. -B. Zhang , E. D. Mazaeva , A. A. Volnova , P. Yu. Minaev , H. J. van Eerten , M. D. Caballero-García , D. Pérez-Ramírez , M. Bremer , J. -M. Winters , I. H. Park , A. Nicuesa Guelbenzu , S. Klose , A. Moskvitin , V. V. Sokolov , E. Sonbas , A. Ayala , J. Cepa , N. Butler , E. Troja , A. M. Chernenko , S. V. Molkov , A. E. Volvach , R. Ya. Inasaridze , Sh. A. Egamberdiyev , O. Burkhonov , I. V. Reva , K. A. Polyakov , A. A. Matkin , A. L. Ivanov , I. Molotov , T. Guver , A. M. Watson , A. Kutyrev , W. H. Lee , O. Fox , O. Littlejohns , A. Cucchiara , J. Gonzalez , M. G. Richer , C. G. Román-Zúñiga , N. R. Tanvir , J. S. Bloom , J. X. Prochaska , N. Gehrels , H. Moseley , J. A. de Diego , E. Ramírez-Ruiz , E. V. Klunko , Y. Fan , X. Zhao , J. Bai , Ch. Wang , Y. Xin , Ch. Cui , N. Tungalag , Z. -K. Peng , Amit Kumar , Rahul Gupta , Amar Aryan , Brajesh Kumar , L. N. Volvach , G. P. Lamb , A. F. Valeev

The Afterglow and the Host Galaxy of the Dark Burst GRB 970828

GRB 970828 was the first well-localized gamma-ray burst (GRB) X-ray afterglow for which no optical afterglow was found despite a prompt, deep search down to R_lim ~ 24.5 mag. We report the discovery of a short-lived radio flare within the…

Astrophysics · Physics 2009-11-07 S. G. Djorgovski , D. A. Frail , S. R. Kulkarni , J. S. Bloom , S. C. Odewahn , A. Diercks

A Blind Search for Prompt Gamma-ray Counterparts of Fast Radio Bursts with Fermi-LAT Data

Fast Radio Bursts (FRBs) are a mysterious flash phenomenon detected in radio wavelengths with a duration of only a few milliseconds, and they may also have prompt gamma-ray flashes. Here we carry out a blind search for msec-duration…

High Energy Astrophysical Phenomena · Physics 2019-06-07 Shotaro Yamasaki , Tomonori Totani , Norita Kawanaka

Search for GeV Gamma Ray Bursts with the ARGO-YBJ Detector: Summary of Eight Years of Observations

The search for Gamma Ray Burst (GRB) emission in the energy range 1-100 GeV in coincidence with the satellite detection has been carried out using the Astrophysical Radiation with Ground-based Observatory at YangBaJing (ARGO-YBJ)…

High Energy Astrophysical Phenomena · Physics 2015-02-20 B. Bartoli , P. Bernardini , X. J. Bi , P. Branchini , A. Budano , P. Camarri , Z. Cao , R. Cardarelli , S. Catalanotti , S. Z. Chen , T. L. Chen , P. Creti , S. W. Cui , B. Z. Dai , A. D'Amone , Danzengluobu , I. De Mitri , B. D'Ettorre Piazzoli , T. Di Girolamo , G. Di Sciascio , C. F. Feng , Zhaoyang Feng , Zhenyong Feng , Q. B. Gou , Y. Q. Guo , H. H. He , Haibing Hu , Hongbo Hu , M. Iacovacci , R. Iuppa , H. Y. Jia , Labaciren , H. J. Li , G. Liguori , C. Liu , J. Liu , M. Y. Liu , H. Lu , L. L. Ma , X. H. Ma , G. Mancarella , S. M. Mari , G. Marsella , D. Martello , S. Mastroianni , P. Montini , C. C. Ning , M. Panareo , L. Perrone , P. Pistilli , F. Ruggieri , P. Salvini , R. Santonico , P. R. Shen , X. D. Sheng , F. Shi , A. Surdo , Y. H. Tan , P. Vallania , S. Vernetto , C. Vigorito , H. Wang , C. Y. Wu , H. R. Wu , L. Xue , Q. Y. Yang , X. C. Yang , Z. G. Yao , A. F. Yuan , M. Zha , H. M. Zhang , L. Zhang , X. Y. Zhang , Y. Zhang , J. Zhao , Zhaxiciren , Zhaxisangzhu , X. X. Zhou , F. R. Zhu , Q. Q. Zhu , G. Zizzi

The Rapid Decay of the Optical Emission from GRB 980326 and its Possible Implications

We report the discovery of the optical counterpart to GRB 980326. Its rapid optical decay can be characterized by a power law with exponent -2.10 +/- 0.13 and a constant underlying source at R_c=25.5 +/- 0.5. Its optical colours 2.1 days…

Astrophysics · Physics 2011-02-11 Paul J. Groot , Titus J. Galama , Paul M. Vreeswijk

Constraining GRB Initial Lorentz Factor with the Afterglow Onset Feature and Discovery of a Tight Gamma_0-E_iso Correlation

The onset of GRB afterglow is characterized by a smooth bump in the early afterglow lightcurve. We make an extensive search for such a feature. Twenty optically selected GRBs and 12 X-ray selected GRBs are found, among which 17 optically…

High Energy Astrophysical Phenomena · Physics 2010-12-09 En-Wei Liang , Shuang-xi Yi , Jin Zhang , Hou-Jun LV , Bin-Bin Zhang , Bing Zhang

Search for GRB X-ray afterglows in the ROSAT all-sky survey

We describe a search for X-ray afterglows from gamma-ray bursts using the ROSAT all-sky survey (RASS) data. If the emission in the soft X-ray band is significantly less beamed than in the gamma-ray band, we expect to detect many afterglows…

Astrophysics · Physics 2007-05-23 J. Greiner , D. H. Hartmann , W. Voges , Th. Boller , R. Schwarz , S. Zharikov

GRB 081029: A Gamma-Ray Burst with a Multi-Component Afterglow

We present an analysis of the unusual optical light curve of the gamma-ray burst GRB 081029, a long-soft burst with a redshift of z = 3.8479. We combine X-ray and optical observations from the Swift X-Ray Telescope and the Swift…

High Energy Astrophysical Phenomena · Physics 2015-06-03 Stephen T. Holland , Massimiliano De Pasquale , Jirong Mao , Takanori Sakamoto , Patricia Schady , Stefano Covino , Yi-Zhong Fan , Zhi Ping Jin , Paolo D'Avanzo , Angelo Antonelli , Valerio D'Elia , Guido Chincarini , Fabrizio Fiore , Shashi Bhushan Pandey , Bethany E. Cobb

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

Discovery and Analysis of Afterglows from Poorly Localised GRBs with the Gravitational-wave Optical Transient Observer (GOTO) All-sky Survey

Gamma-ray bursts (GRBs), particularly those detected by wide-field instruments such as the Fermi/GBM, pose a challenge for optical follow-up due to their large initial localisation regions, leaving many GRBs without identified afterglows.…

High Energy Astrophysical Phenomena · Physics 2025-11-17 Amit Kumar , B. P. Gompertz , B. Schneider , S. Belkin , M. E. Wortley , A. Saccardi , D. O'Neill , K. Ackley , B. Rayson , A. de Ugarte Postigo , A. Gulati , D. Steeghs , D. B. Malesani , J. R. Maund , M. J. Dyer , S. Giarratana , M. Serino , Y. Julakanti , B. Kumar , D. Xu , R. A. J. Eyles-Ferris , Z. -P. Zhu , B. Warwick , Y. -D. Hu , I. Allen , G. Ramsay , R. L. C. Starling , J. Lyman , K. Ulaczyk , B. Godson , D. K. Galloway , V. S. Dhillon , P. O'Brien , K. Noysena , R. Kotak , R. P. Breton , L. K. Nuttall , D. Pollacco , J. Casares , T. L. Killestein , M. R. Kennedy , N. Habeeb , S. Moran , K. Wiersema , I. Worssam , D. L. Coppejans , C. A. Phillips , A. Martin-Carrillo , N. S. Pankov , J. F. Agüí Fernández , M. A. Aloy , J. An , G. E. Anderson , A. Bochenek , A. J. Castro-Tirado , X. Chen , L. Cotter , R. Dastidar , M. De Pasquale , V. D'Elia , Y. Fang , S. Y. Fu , J. P. U. Fynbo , D. H. Hartmann , L. B. He , L. Izzo , S. Q. Jiang , Y. Kawakubo , E. V. Klunko , A. J. Levan , X. -W. Liu , X. Liu , G. Lombardi , E. Maiorano , J. T. Palmerio , D. A. Perley , D. L. A. Pieterse , A. S. Pozanenko , G. Pugliese , A. Rossi , B. Sbarufatti , S. Bijavara Seshashayana , N. R. Tanvir , C. C. Thöne , A. J. van der Horst , S. D. Vergani , A. A. Volnova , R. A. M. J. Wijers , J. L. Wise

Optical observations of the bright long duration peculiar GRB 021004 afterglow

The CCD magnitudes in Johnson $B,V$ and Cousins $R$ and $I$ photometric passbands are determined for the bright long duration GRB 021004 afterglow from 2002 October 4 to 16 starting $\sim$ 3 hours after the $\gamma-$ray burst. Light curves…

Astrophysics · Physics 2007-05-23 S. B. Pandey , D. K. Sahu , L. Resmi , R. Sagar , G. C. Anupama , D. Bhattacharya , V. Mohan , T. P. Prabhu , B. C. Bhatt , J. C. Pandey , Padmaker Parihar , A. J. Castro-Tirado

IR and Optical Observations of GRB 030115

We present an upper limit on the brightness of the afterglow of the long GRB 030115 measured from Infrared (IR) images taken with the Magellan Classic Cam instrument of Ks > 22 at 6.2 days after the burst. We also present measurments of the…

Astrophysics · Physics 2009-11-10 Allyn Dullighan , George Ricker , Nathaniel Butler , Roland Vanderspek