Related papers: GRB 090902B: afterglow observations and implicatio…

GRB 221009A: the B.O.A.T Burst that Shines in Gamma Rays

We present a complete analysis of Fermi Large Area Telescope (LAT) data of GRB 221009A, the brightest Gamma-Ray Burst (GRB) ever detected. The burst emission above 30 MeV detected by the LAT preceded by 1 s the low-energy (< 10 MeV) pulse…

High Energy Astrophysical Phenomena · Physics 2024-09-10 M. Axelsson , M. Ajello , M. Arimoto , L. Baldini , J. Ballet , M. G. Baring , C. Bartolini , D. Bastieri , J. Becerra Gonzalez , R. Bellazzini , B. Berenji , E. Bissaldi , R. D. Blandford , R. Bonino , P. Bruel , S. Buson , R. A. Cameron , R. Caputo , P. A. Caraveo , E. Cavazzuti , C. C. Cheung , G. Chiaro , N. Cibrario , S. Ciprini , G. Cozzolongo , P. Cristarella Orestano , M. Crnogorcevic , A. Cuoco , S. Cutini , F. D'Ammando , S. De Gaetano , N. Di Lalla , A. Dinesh , R. Di Tria , L. Di Venere , A. Domínguez , S. J. Fegan , E. C. Ferrara , A. Fiori , A. Franckowiak , Y. Fukazawa , S. Funk , P. Fusco , G. Galanti , F. Gargano , C. Gasbarra , S. Germani , F. Giacchino , N. Giglietto , M. Giliberti , R. Gill , F. Giordano , M. Giroletti , J. Granot , D. Green , I. A. Grenier , S. Guiriec , M. Gustafsson , M. Hashizume , E. Hays , J. W. Hewitt , D. Horan , T. Kayanoki , M. Kuss , A. Laviron , J. Li , I. Liodakis , F. Longo , F. Loparco , L. Lorusso , B. Lott , M. N. Lovellette , P. Lubrano , S. Maldera , D. Malyshev , A. Manfreda , G. Martí-Devesa , R. Martinelli , I. Martinez Castellanos , M. N. Mazziotta , J. E. McEnery , I. Mereu , M. Meyer , P. F. Michelson , N. Mirabal , W. Mitthumsiri , T. Mizuno , P. Monti-Guarnieri , M. E. Monzani , T. Morishita , A. Morselli , I. V. Moskalenko , M. Negro , R. Niwa , N. Omodei , M. Orienti , E. Orlando , D. Paneque , G. Panzarini , M. Persic , M. Pesce-Rollins , V. Petrosian , R. Pillera , F. Piron , T. A. Porter , G. Principe , J. L. Racusin , S. Rainò , R. Rando , B. Rani , M. Razzano , S. Razzaque , A. Reimer , O. Reimer , F. Ryde , M. Sánchez-Conde , P. M. Saz Parkinson , D. Serini , C. Sgrò , V. Sharma , E. J. Siskind , G. Spandre , P. Spinelli , D. J. Suson , H. Tajima , D. Tak , J. B. Thayer , D. F. Torres , J. Valverde , G. Zaharijas , S. Lesage , M. S. Briggs , E. Burns , S. Bala , P. N. Bhat , W. H. Cleveland , S. Dalessi , C. de Barra , M. Gibby , M. M. Giles , R. Hamburg , B. A. Hristov , C. M. Hui , D. Kocevski , B. Mailyan , C. Malacaria , S. McBreen , S. Poolakkil , O. J. Roberts , L. Scotton , P. Veres , A. von Kienlin , C. A. Wilson-Hodge , J. Wood

GRB 050502B optical afterglow: a jet break at high redshift

Aims: GRB 050502B is well known for the very bright flare displayed in its X-ray light curve. Despite extensive studies, however, the optical light curve has never been discussed and its redshift is unconstrained. Possible correlations…

High Energy Astrophysical Phenomena · Physics 2011-02-11 P. Afonso , J. Greiner , E. Pian , S. Covino , D. Malesani , A. Küpcü Yoldaş , T. Krühler , C. Clemens , S. McBreen , A. Rau , D. Giannios , J. Hjorth

Rapid Response Mode observations of GRB 160203A: Looking for fine-structure line variability at z=3.52

Gamma-ray bursts are the most energetic known explosions. Despite fading rapidly, they allow to measure redshift and important properties of their host-galaxies. We report the photometric and spectroscopic study of GRB 160203A and its…

High Energy Astrophysical Phenomena · Physics 2024-09-25 G. Pugliese , A. Saccardi , V. D Elia , S. D. Vergani , K. E. Heintz , S. Savaglio , L. Kaper , A. de Ugarte Postigo , D. H. Hartmann , A. De Cia , S. Vejlgaard , J. P. U. Fynbo , L. Christensen , S. Campana , D. van Rest , J. Selsing , K. Wiersema , D. B. Malesani , S. Covino , D. Burgarella , M. De Pasquale , P. Jakobsson , J. Japelj , D. A. Kann , C. Kouveliotou , A. Rossi , N. R. Tanvir , C. C. Thoene , D. Xu

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

The Strongly Polarized Afterglow of GRB 020405

We report polarization measurements and photometry for the optical afterglow of the gamma-ray burst GRB 020405. We measured a highly significant 9.9% polarization (in V band) 1.3 days after the burst and argue that it is intrinsic to the…

Astrophysics · Physics 2009-11-07 D. Bersier , B. McLeod , P. M. Garnavich , M. J. Holman , T. Grav , J. Quinn , J. Kaluzny , P. M. Challis , R. G. Bower , D. J. Wilman , J. S. Heyl , S. T. Holland , V. Hradecky , S. Jha , K. Z. Stanek

Early afterglow detection in the Swift observations of GRB 050801

We present results of Swift optical, UV and X-ray observations of the afterglow of GRB 050801. The source is visible over the full optical, UV and X-ray energy range of the Swift UVOT and XRT instruments.Both optical and X-ray lightcurves…

Astrophysics · Physics 2010-03-19 Massimiliano De Pasquale , S. R. Oates , M. J. Page , D. N. Burrows , A. J. Blustin , S. Zane , K. O. Mason , P. W. A. Roming , D. Palmer , N. Gehrels , B. Zhang

Swift panchromatic observations of the bright gamma-ray burst GRB050525a

The bright gamma-ray burst GRB050525a has been detected with the Swift observatory, providing unique multiwavelength coverage from the very earliest phases of the burst. The X-ray and optical/UV afterglow decay light curves both exhibit a…

Astrophysics · Physics 2019-08-14 A. J. Blustin , D. Band , S. Barthelmy , P. Boyd , M. Capalbi , S. T. Holland , F. E. Marshall , K. O. Mason , M. Perri , T. Poole , P. Roming , S. Rosen , P. Schady , M. Still , B. Zhang

Evidence for a late-time outburst of the X-ray afterglow of GB970508 from BeppoSAX

The gamma-ray burst GB970508 was observed simultaneously by the Gamma Ray Burst Monitor (GRBM) and one of the X-ray Wide Field Cameras (WFC) aboard BeppoSAX. The latter provided a position within 1.9' radius. A series of follow-up…

Astrophysics · Physics 2007-05-23 L. Piro , L. Amati , L. A. Antonelli , R. C. Butler , E. Costa , G. Cusumano , M. Feroci , F. Frontera , J. Heise , J. in' t Zand , S. Molendi , J. Muller , L. Nicastro , M. Orlandini , A. Owens , A. N. Parmar , P. Soffitta , M. Tavani

A flash in the dark: UVES/VLT high resolution spectroscopy of GRB afterglows

We present the first high resolution (R=20000--45000, corresponding to 14 km/s at 4200A to 6.6 km/s at 9000A) observations of the optical afterglow of Gamma Ray Bursts. GRB020813 and GRB021004 were observed by UVES@VLT 22.19 hours and 13.52…

Astrophysics · Physics 2009-11-10 F. Fiore , V. D'Elia , D. Lazzati , R. Perna , L. Sbordone , G. Stratta , E. J. A. Meurs , P. Ward , L. A. Antonelli , G. Chincarini , S. Covino , A. Di Paola , A. Fontana , G. Ghisellini , G. Israel , F. Frontera , G. Marconi , L. Stella , M. Vietri , F. Zerbi

The late afterglow and host galaxy of GRB 990712

We present deep HST imaging, as well as ground-based imaging and spectroscopy, of the optical afterglow associated with the long-duration gamma-ray burst GRB 990712 and its host galaxy. The data were obtained 48--123 days after the burst…

Astrophysics · Physics 2007-05-23 Jens Hjorth , Stephen Holland , Frederic Courbin , Arnon Dar , Lisbeth F. Olsen , Marco Scodeggio

GRB 050713A: High Energy Observations of the GRB Prompt and Afterglow Emission

Swift discovered GRB 050713A and slewed promptly to begin observing with its narrow field instruments 72.6 seconds after the burst onset, while the prompt gamma-ray emission was still detectable in the BAT. Simultaneous emission from two…

Astrophysics · Physics 2010-03-19 D. C. Morris , J. Reeves , V. Pal'shin , M. Garczarczyk , A. D. Falcone , D. N. Burrows , H. Krimm , N. Galante , M. Gaug , S. Mizobuchi , C. Pagani , A. Stamerra , M. Teshima , A. P. Beardmore , O. Godet , N. Gehrels

Optical Photometry of GRB 021004: The First Month

We present U,B,V,R_C,and I_C photometry of the optical afterglow of the gamma-ray burst GRB 021004 taken at the Nordic Optical Telescope between approximately eight hours and 30 days after the burst. This data is combined with an analysis…

Astrophysics · Physics 2007-05-23 Stephen T. Holland , Michael Weidinger , Johan P. U. Fynbo , Javier Gorosabel , Jens Hjorth , Kristian Pedersen , Javier Mendez Alvarez , Thomas Augusteijn , J. M. Castro Cerón , Alberto Castro-Tirado , Haakon Dahle , M. P. Egholm , Pall Jakobsson , Brian L. Jensen , Andrew Levan , Palle Moller , Holger Pedersen , Tapio Pursimo , Pilar Ruiz-Lapuente , Bjarne Thomsen

GRB010222: afterglow emission from a rapidly decelerating shock

The GRB010222 optical and near-infrared (NIR) afterglow was monitored at the TNG and other Italian telescopes starting ~1 day after the high-energy prompt event. The optical BVR light curves, which are the best sampled, are continuously…

Astrophysics · Physics 2009-11-06 N. Masetti

A tera-electronvolt afterglow from a narrow jet in an extremely bright gamma-ray burst 221009A

Some gamma-ray bursts (GRBs) have an afterglow in the tera-electronvolt (TeV) band, but the early onset of this afterglow has not been observed. We report observations with the Large High Altitude Air Shower Observatory of the bright GRB…

High Energy Astrophysical Phenomena · Physics 2023-07-11 LHAASO Collaboration

Detection of the high z GRB 080913 and its implications on progenitors and energy extraction mechanisms

Aims: We present multiwavelength observations of one of the most distant gamma-ray bursts detected so far, GRB 080913. Based on these observations, we consider whether it could be classified as a short-duration GRB and discuss the…

Astrophysics · Physics 2010-07-07 D. Perez-Ramirez , A. de Ugarte Postigo , J. Gorosabel , M. A. Aloy , G. Johannesson , M. A. Guerrero , J. P. Osborne , K. L. Page , R. S. Warwick , I. Horvath , P. Veres , M. Jelinek , P. Kubanek , S. Guziy , M. Bremer , J. M. Winters , A. Riva , A. J. Castro-Tirado

GRANDMA and HXMT Observations of GRB 221009A -- the Standard-Luminosity Afterglow of a Hyper-Luminous Gamma-Ray Burst

GRB 221009A is the brightest Gamma-Ray Burst (GRB) detected in more than 50 years of study. In this paper, we present observations in the X-ray and optical domains after the GRB obtained by the GRANDMA Collaboration (which includes…

High Energy Astrophysical Phenomena · Physics 2023-05-17 D. A. Kann , S. Agayeva , V. Aivazyan , S. Alishov , C. M. Andrade , S. Antier , A. Baransky , P. Bendjoya , Z. Benkhaldoun , S. Beradze , D. Berezin , M. Boër , E. Broens , S. Brunier , M. Bulla , O. Burkhonov , E. Burns , Y. Chen , Y. P. Chen , M. Conti , M. W. Coughlin , W. W. Cui , F. Daigne , B. Delaveau , H. A. R. Devillepoix , T. Dietrich , D. Dornic , F. Dubois , J. -G. Ducoin , E. Durand , P. -A. Duverne , H. -B. Eggenstein , S. Ehgamberdiev , A. Fouad , M. Freeberg , D. Froebrich , M. Y. Ge , S. Gervasoni , V. Godunova , P. Gokuldass , E. Gurbanov , D. W. Han , E. Hasanov , P. Hello , T. Hussenot-Desenonges , R. Inasaridze , A. Iskandar , N. Ismailov , A. Janati , T. Jegou du Laz , S. M. Jia , S. Karpov , A. Kaeouach , R. W. Kiendrebeogo , A. Klotz , R. Kneip , N. Kochiashvili , N. Kunert , A. Lekic , S. Leonini , C. K. Li , W. Li , X. B. Li , J. Y. Liao , L. Logie , F. J. Lu , J. Mao , D. Marchais , R. Ménard , D. Morris , R. Natsvlishvili , V. Nedora , K. Noonan , K. Noysena , N. B. Orange , P. T. H. Pang , H. W. Peng , C. Pellouin , J. Peloton , T. Pradier , O. Pyshna , Y. Rajabo , S. Rau , C. Rinner , J. -P. Rivet , F. D. Romanov , P. Rosi , V. A. Rupchandani , M. Serrau , A. Shokry , A. Simon , K. Smith , O. Sokoliuk , M. Soliman , L. M. Song , A. Takey , Y. Tillayev , L. M. Tinjaca Ramirez , I. Tosta e Melo , D. Turpin , A. de Ugarte Postigo , S. Vanaverbeke , V. Vasylenko , D. Vernet , Z. Vidadi , C. Wang , J. Wang , L. T. Wang , X. F. Wang , Shaolin L. Xiong , Y. P. Xu , W. C. Xue , X. Zeng , S. N. Zhang , H. S. Zhao , X. F. Zhao

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

Detection of afterglow emission up to 100 GeV through a stacking analysis of gamma-ray bursts

High-energy gamma-ray (>GeV) emission of gamma-ray bursts (GRBs) is very important in probing the jet evolution and particle acceleration of GRBs. The observations of high-energy photons are limited except for a few very bright GRBs,…

High Energy Astrophysical Phenomena · Physics 2026-03-11 Shi Chen , Qiang Yuan , Yi-Qing Guo , Ben-Zhong Dai , He Gao , Bing Zhang

Multi-wavelength afterglow observations of the high redshift GRB 050730

GRB 050730 is a long duration high-redshift burst (z=3.967) discovered by Swift. The afterglow shows variability and is well monitored over a wide wavelength range. We present comprehensive temporal and spectral analysis of the afterglow of…

Astrophysics · Physics 2007-05-23 S. B. Pandey , A. J. Castro-Tirado , S. McBreen , M. D. Perez-Ramirez , M. Bremer , M. A. Guerrero , A. Sota , B. E. Cobb , M. Jelinek , A. de Ugarte Postigo , J. Gorosabel , S. Guziy , C. Guidorzi , C. D. Bailyn , T. Munoz-Darias , A. Gomboc , A. Monfardini , C. G. Mundell , N. Tanvir , A. J. Levan , B. C. Bhatt , D. K. Sahu , S. Sharma , O. Bogdanov , J. A. Combi

Are short gamma-ray bursts collimated? GRB050709, a flare but no break

From the small sample of afterglow lightcurves of short duration gamma-ray bursts (GRBs), the decays are rapid, roughly following a power-law in time. It has been assumed that the afterglow emission in short GRBs is collimated in jets in…

Astrophysics · Physics 2007-05-23 D. Watson , J. Hjorth , P. Jakobsson , D. Xu , J. P. U. Fynbo , J. Sollerman , C. C. Thöne , K. Pedersen