Related papers: Swift captures the spectrally evolving prompt emis…

Swift observations of the X-ray bright GRB 050315

This paper discusses Swift observations of the gamma-ray burst GRB 050315 (z=1.949) from 80 s to 10 days after the onset of the burst. The X-ray light curve displayed a steep early decay (t^-5) for ~200 s and several breaks. However, both…

Astrophysics · Physics 2010-03-19 S. Vaughan , M. R. Goad , A. P. Beardmore , P. T. O'Brien , J. P. Osborne , K. L. Page , S. D. Barthelmy , D. N. Burrows , S. Campana , J. K. Cannizzo , M. Capalbi , G. Chincarini , J. R. Cummings , G. Cusumano , P. Giommi , O. Godet , J. E. Hill , S. Kobayashi , P. Kumar , V. La Parola , A. Levan , V. Mangano , P. Meszaros , A. Moretti , D. C. Morris , J. A. Nousek , C. Pagani , D. M. Palmer , J. L. Racusin , P. Romano , G. Tagliaferri , B. Zhang , N. Gehrels

Swift multi-wavelength observations of the bright flaring burst GRB051117A

We report on the temporal and spectral characteristics of the early X-ray emission from the Gamma Ray Burst 051117A as observed by Swift. The superb quality of the early X-ray light-curve and spectra of this source, one of the brightest…

Astrophysics · Physics 2009-11-11 M. R. Goad , K. L. Page , O. Godet , A. Beardmore , J. P. Osborne , P. T. O'Brien , R. Starling , S. Holland , D. Band , N. Gehrels , A. Falcone , D. N. Burrows , J. A. Nousek , P. W. A. Roming , A. Moretti , M. Perri

Soft Gamma-Ray Spectral and Time evolution of the GRB 221009A: prompt and afterglow emission with INTEGRAL/IBIS-PICsIT

The gamma-ray burst (GRB) 221009A, with its extreme brightness, has provided the opportunity to explore GRB prompt and afterglow emission behavior on short time scales with high statistics. In conjunction with detection up to very…

High Energy Astrophysical Phenomena · Physics 2023-08-30 James Rodi , Pietro Ubertini

Discovery of an Afterglow Extension of the Prompt Phase of Two Gamma Ray Bursts Observed by Swift

BAT and XRT observations of two recent well-covered GRBs observed by Swift, GRB 050315 and GRB 050319, show clearly a prompt component joining the onset of the afterglow emission. By fitting a power law form to the gamma-ray spectrum, we…

Astrophysics · Physics 2010-03-19 S. D. Barthelmy , J. K. Cannizzo , N. Gehrels , G. Cusumano , V. Mangano , P. T. O'Brien , S. Vaughan , B. Zhang , D. N. Burrows , S. Campana , G. Chincarini , M. R. Goad , C. Kouveliotou , P. Kumar , P. Meszaros , J. A. Nousek , J. P. Osborne , A. Panaitescu , J. N. Reeves , T. Sakamoto , G. Tagliaferri , R. A. M. J. Wijers

Multi-Wavelength Observations of GRB 050820A: An Exceptionally Energetic Event Followed from Start to Finish

We present observations of the unusually bright and long gamma-ray burst GRB 050820A, one of the best-sampled broadband data sets in the Swift era. The gamma-ray light curve is marked by a soft precursor pulse some 200 s before the main…

Astrophysics · Physics 2010-05-12 S. B. Cenko , M. Kasliwal , F. A. Harrison , V. Pal'shin , D. A. Frail , P. B. Cameron , E. Berger , D. B. Fox , A. Gal-Yam , S. R. Kulkarni , D. -S. Moon , E. Nakar , E. O. Ofek , B. E. Penprase , P. A. Price , R. Sari , B. P. Schmidt , A. M. Soderberg , R. Aptekar , D. Frederiks , S. Golenetskii , D. N. Burrows , R. A. Chevalier , N. Gehrels , P. J. McCarthy , J. A. Nousek , S. E. Persson , T. Piran

Prompt and afterglow early X-ray phases in the comoving frame. Evidence for Universal properties?

We analyze the Swift XRT light curves and spectra of the gamma-ray bursts (GRBs) for which the redshift has been measured. The sample consists of seven GRBs. The soft X-ray light curves of all these GRBs are separated into at least two…

Astrophysics · Physics 2007-05-23 G. Chincarini , A. Moretti , P. Romano , S. Covino , G. Tagliaferri , S. Campana , M. Goad , S. Kobayashi , B. Zhang , L. Angelini , P. Banat , S. Barthelmy , A. P. Beardmore , P. T. Boyd , A. Breeveld , D. N. Burrows , M. Capalbi , M. M. Chester , G. Cusumano , E. E. Fenimore , N. Gehrels , P. Giommi , J. E. Hill , D. Hinshaw , S. T. Holland , J. A. Kennea , H. A. Krimm , V. La Parola , V. Mangano , F. E. Marshall , K. O. Mason , J. A. Nousek , P. T. O'Brien , J. P. Osborne , M. Perri , P. Meszaros , P. W. A. Roming , T. Sakamoto , P. Schady , M. Still , A. A. Wells

GRB 060607A: A GRB with Bright Asynchronous Early $X$-ray and Optical Emissions

The early optical emission of the moderately high redshift ($z=3.08$) GRB 060607A shows a remarkable broad and strong peak with a rapid rise and a relatively slow power-law decay. It is not coincident with the strong early-time flares seen…

Astrophysics · Physics 2009-06-23 Houri Ziaeepour , Stephen T. Holland , Patricia T. Boyd , Kim L. Page , Samantha Oates , Craig B. Markwardt , Peter Meszaros , Neil Gehrels , Francis E. Marshall , Jay Cummings , Mike Goad

Swift Observations of GRB 050603: An afterglow with a steep late time decay slope

We report the results of Swift observations of the Gamma Ray Burst GRB 050603. With a V magnitude V=18.2 about 10 hours after the burst the optical afterglow was the brightest so far detected by Swift and one of the brightest optical…

Astrophysics · Physics 2016-08-30 Dirk Grupe , Peter Brown , Jay Cummings , Bing Zhang , Alon Retter , David N. Burrows , Patricia T. Boyd , Milvia Capalbi , Neil Gehrels , Stephen T. Holland , Peter Meszaros , John A. Nousek , Jamie A. Kennea , Paul O'Brien , Julian Osborne , Claudio Pagani , Judith L. Racusin , Peter Roming , Patricia Schady

Origin for the Prompt Spectral Evolution Characteristics and High Energy Emission during the X-Ray Flare in GRB 180720B

The gamma-ray burst GRB 180720B is very peculiar. On one hand, some interesting features have been found by performing the detailed time-resolved spectral analysis in the prompt phase. First, the `flux-tracking' pattern is exhibited both…

High Energy Astrophysical Phenomena · Physics 2019-12-24 Ming-Ya Duan , Xiang-Gao Wang

Panchromatic observations of the textbook GRB 110205A: constraining physical mechanisms of prompt emission and afterglow

We present a comprehensive analysis of a bright, long duration (T90 ~ 257 s) GRB 110205A at redshift z= 2.22. The optical prompt emission was detected by Swift/UVOT, ROTSE-IIIb and BOOTES telescopes when the GRB was still radiating in the…

High Energy Astrophysical Phenomena · Physics 2015-06-03 W. Zheng , R. F. Shen , T. Sakamoto , A. P. Beardmore , M. De Pasquale , X. F. Wu , J. Gorosabel , Y. Urata , S. Sugita , B. Zhang , A. Pozanenko , M. Nissinen , D. K. Sahu , M. Im , T. N. Ukwatta , M. Andreev , E. Klunko , A. Volnova , C. W. Akerlof , P. Anto , S. D. Barthelmy , A. Breeveld , U. Carsenty , S. Castillo-Carri'on , A. J. Castro-Tirado , M. M. Chester , C. J. Chuang , R. Cunniffe , A. De Ugarte Postigo , R. Duffard , H. Flewelling , N. Gehrels , T. Guver , S. Guziy , V. P. Hentunen , K. Y. Huang , M. Jelínek , T. S. Koch , P. Kub'anek , P. Kuin , T. A. McKay , S. Mottola , S. R. Oates , P. O'Brien , M. J. Page , S. B. Pandey , C. Perez del Pulgar , W. Rujopakarn , E. Rykoff , T. Salmi , R. S'anchez-Ramírez , B. E. Schaefer , A. Sergeev , E. Sonbas , A. Sota , J. C. Tello , K. Yamaoka , S. A. Yost , F. Yuan

Fermi and Swift Observations of GRB 190114C: Tracing the Evolution of High-Energy Emission from Prompt to Afterglow

We report on the observations of gamma-ray burst (GRB) 190114C by the Fermi Gamma-ray Space Telescope and the Neil Gehrels Swift Observatory. The early-time observations reveal multiple emission components that evolve independently, with a…

High Energy Astrophysical Phenomena · Physics 2020-02-19 M. Ajello , M. Arimoto , M. Axelsson , L. Baldini , G. Barbiellini , D. Bastieri , R. Bellazzini , A. Berretta , E. Bissaldi , R. D. Blandford , R. Bonino , E. Bottacini , J. Bregeon , P. Bruel , R. Buehler , E. Burns , S. Buson , R. A. Cameron , R. Caputo , P. A. Caraveo , E. Cavazzuti , S. Chen , G. Chiaro , S. Ciprini , J. Cohen-Tanugi , D. Costantin , S. Cutini , F. D'Ammando , M. DeKlotz , P. de la Torre Luque , F. de Palma , A. Desai , N. Di Lalla , L. Di Venere , F. Fana Dirirsa , S. J. Fegan , A. Franckowiak , Y. Fukazawa , S. Funk , P. Fusco , F. Gargano , D. Gasparrini , N. Giglietto , R. Gill , F. Giordano , M. Giroletti , J. Granot , D. Green , I. A. Grenier , M. H. Grondin , S. Guiriec , E. Hays , D. Horan , G. Jóhannesson , D. Kocevski , M. Kovac'evic' , M. Kuss , S. Larsson , L. Latronico , M. Lemoine-Goumard , J. Li , I. Liodakis , F. Longo , F. Loparco , M. N. Lovellette , P. Lubrano , S. Maldera , D. Malyshev , A. Manfreda , G. Martí-Devesa , M. N. Mazziotta , J. E. McEnery , I. Mereu , M. Meyer , P. F. Michelson , W. Mitthumsiri , T. Mizuno , M. E. Monzani , E. Moretti , A. Morselli , I. V. Moskalenko , M. Negro , E. Nuss , N. Omodei , M. Orienti , E. Orlando , M. Palatiello , V. S. Paliya , D. Paneque , Z. Pei , M. Persic , M. Pesce-Rollins , V. Petrosian , F. Piron , H. Poon , T. A. Porter , G. Principe , J. L. Racusin , S. Rainò , R. Rando , B. Rani , M. Razzano , S. Razzaque , A. Reimer , O. Reimer , F. Ryde , P. M. Saz Parkinson , D. Serini , C. Sgrò , E. J. Siskind , G. Spandre , P. Spinelli , H. Tajima , K. Takagi , M. N. Takahashi , D. Tak , J. B. Thayer , D. J. Thompson , D. F. Torres , E. Troja , J. Valverde , B. Van Klaveren , K. Wood , M. Yassine , G. Zaharijas , P. N. Bhat , M. S. Briggs , W. Cleveland , M. Giles , A. Goldstein , M. Hui , C. Malacaria , R. Preece , O. Roberts , P. Veres , A. von Kienlin , S. B. Cenko , P. O'Brien , A. P. Beardmore , A. Lien , J. P. Osborne , A. Tohuvavohu , V. D'Elia , A. D'A , M. Perri , J. Gropp , N. Klingler , M. Capalbi , G. Tagliaferri , M. Stamatikos

Exploring Broadband GRB Behavior During gamma-ray Emission

The robotic ROTSE-III telescope network detected prompt optical emission contemporaneous with the gamma-ray emission of Swift events GRB051109A and GRB051111. Both datasets have continuous coverage at high signal-to-noise levels from the…

Astrophysics · Physics 2016-08-15 S. A. Yost , H. F. Swan , E. S. Rykoff , F. Aharonian , C. W. Akerlof , A. Alday , M. C. B. Ashley , S. Barthelmy , D. Burrows , D. L. Depoy , R. J. Dufour , J. D. Eastman , R. D. Forgey , N. Gehrels , E. Göğüş , T. Güver , J. P. Halpern , L. C. Hardin , D. Horns , U. Kızıloǧlu , H. A. Krimm , S. Lepine , E. P. Liang , J. L. Marshall , T. A. McKay , T. Mineo , N. Mirabal , M. Özel , A. Phillips , J. L. Prieto , R. M. Quimby , P. Romano , G. Rowell , W. Rujopakarn , B. E. Schaefer , J. M. Silverman , R. Siverd , M. Skinner , D. A. Smith , I. A. Smith , S. Tonnesen , E. Troja , W. T. Vestrand , J. C. Wheeler , J. Wren , F. Yuan , B. Zhang

The complex light-curve of the afterglow of GRB071010A

We present and discuss the results of an extensive observational campaign devoted to GRB071010A, a long-duration gamma-ray burst detected by the Swift satellite. This event was followed for almost a month in the optical/near-infrared (NIR)…

Astrophysics · Physics 2008-12-06 S. Covino , P. D'Avanzo , A. Klotz , D. A. Perley , L. Amati , S. Campana , G. Chincarini , A. Cucchiara , V. D'Elia , D. Guetta , C. Guidorzi , D. A. Kann , A. Küpcü Yoldaş , K. Misra , G. Olofsson , G. Tagliaferri , L. A. Antonelli , E. Berger , J. S. Bloom , M. Böer , C. Clemens , F. D'Alessio , M. Della Valle , S. di Serego Alighieri , A. V. Filippenko , R. J. Foley , D. B. Fox , D. Fugazza , J. Fynbo , B. Gendre , P. Goldoni , J. Greiner , D. Kocevksi , E. Maiorano , N. Masetti , E. Meurs , M. Modjaz , E. Molinari , A. Moretti , E. Palazzi , S. B. Pandey , S. Piranomonte , D. Poznanski , N. Primak , P. Romano , E. Rossi , R. Roy , J. M. Silverman , L. Stella , G. Stratta , V. Testa , S. D. Vergani , F. Vitali , F. Zerbi

GRB 050315: A step toward the uniqueness of the overall GRB structure and the true nature of long GRBs

Using the Swift data of GRB 050315, we progress on the uniqueness of our theoretically predicted Gamma-Ray Burst (GRB) structure as composed by a proper-GRB (P-GRB), emitted at the transparency of an electron-positron plasma with suitable…

Astrophysics · Physics 2007-09-24 Remo Ruffini , Maria Grazia Bernardini , Carlo Luciano Bianco , Pascal Chardonnet , Federico Fraschetti , Roberto Guida , She-Sheng Xue

Swift XRT Observations of the Afterglow of XRF 050416A

Swift discovered XRF 050416A with the BAT and began observing it with its narrow field instruments only 64.5 s after the burst onset. Its very soft spectrum classifies this event as an X-ray flash. The afterglow X-ray emission was monitored…

Astrophysics · Physics 2008-11-26 Vanessa Mangano , Valentina La Parola , Giancarlo Cusumano , Teresa Mineo , Daniele Malesani , Jaroslaw Dyks , Sergio Campana , Milvia Capalbi , Guido Chincarini , Paolo Giommi , Alberto Moretti , Matteo Perri , Patrizia Romano , Gianpiero Tagliaferri , David N. Burrows , Neil Gehrels , Olivier Godet , Stephen T. Holland , Jamie A. Kennea , Kim L. Page , Judith L. Racusin , Peter W. A. Roming , Bing Zhang

On the Early Time X-ray Spectra of Swift Afterglows I: Evidence for Anomalous Soft X-ray Emission

We have conducted a thorough and blind search for emission lines in >70 Swift X-ray afterglows of total exposure ~10^7s. We find that most afterglows are consistent with pure power-laws plus extinction. Significant outliers to the…

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

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 Swift X-ray flaring afterglow of GRB 050607

The unique capability of the Swift satellite to perform a prompt and autonomous slew to a newly detected Gamma-Ray Burst (GRB) has yielded the discovery of interesting new properties of GRB X-ray afterglows, such as the steep early…

Astrophysics · Physics 2009-11-11 Claudio Pagani , David C. Morris , Shiho Kobayashi , Takanori Sakamoto , Abraham D. Falcone , Alberto Moretti , Kim Page , David N. Burrows , Dirk Grupe , Alon Retter , Judith Racusin , Jamie A. Kennea , Sergio Campana , Patrizia Romano , Gianpiero Tagliaferri , Joanne E. Hill , Lorella Angelini , Giancarlo Cusumano , Michael R. Goad , Scott Barthelmy , Guido Chincarini , Alan Wells , Paolo Giommi , John A. Nousek , Neil Gehrels

Evidence for New Relations between Gamma Ray Burst Prompt and X-ray Afterglow Emission from 9 Years of Swift

When a massive star explodes as a Gamma Ray Burst information about this explosion is retained in the properties of the prompt and afterglow emission. We report on new relationships between the prompt and X-ray afterglow emission of…

High Energy Astrophysical Phenomena · Physics 2015-06-15 Dirk Grupe , John A. Nousek , Peter Veres , Binbin Zhang , Neil Gehrels

GRB Fireball Physics: Prompt and Early Emission

We review the fireball shock model of gamma-ray burst prompt and early afterglow emission in light of rapid follow-up measurements made and enabled by the multi-wavelength Swift satellite. These observations are leading to a reappraisal and…

Astrophysics · Physics 2007-05-23 D. B. Fox , P. Meszaros