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Molecular gas masses of gamma-ray burst host galaxies

We obtained CO(2-1) observations of seven GRB hosts with the APEX and IRAM 30m telescopes. We analysed these data together with all other hosts with previous CO observations. We obtained detections for 3 GRB hosts (980425, 080207, and…

Astrophysics of Galaxies · Physics 2020-02-25 Michał J. Michałowski , A. Karska , J. R. Rizzo , M. Baes , A. J. Castro-Tirado , J. Hjorth , L. K. Hunt , P. Kamphuis , M. P. Koprowski , M. R. Krumholz , D. Malesani , A. Nicuesa Guelbenzu , J. Rasmussen , A. Rossi , P. Schady , J. Sollerman , P. van der Werf

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

VLT and HST Observations of the Host Galaxy of GRB990705

We present VLT spectroscopic observations of Gamma-Ray Burst (GRB) 990705 host galaxy and highlight the benefits provided by the prompt-phase features of GRBs to derive the redshifts of the latter. In the host spectrum, we indeed detect an…

Astrophysics · Physics 2009-11-07 E. Le Floc'h , P. -A. Duc , I. F. Mirabel , D. B. Sanders , G. Bosh , I. Rodrigues , T. J. -L. Courvoisier , S. Mereghetti , J. Melnick

Challenging GRB models through the broadband dataset of GRB060908

Context: Multiwavelength observations of gamma-ray burst prompt and afterglow emission are a key tool to disentangle the various possible emission processes and scenarios proposed to interpret the complex gamma-ray burst phenomenology.…

High Energy Astrophysical Phenomena · Physics 2010-11-15 S. Covino , S. Campana , M. L. Conciatore , V. D'Elia , E. Palazzi , C. C. Thöne , S. D. Vergani , K. Wiersema , M. Brusasca , A. Cucchiara , B. E. Cobb , A. Fernandez-Soto , D. A. Kann , D. Malesani , N. R. Tanvir , L. A. Antonelli , M. Bremer , A. J. Castro-Tirado , A. de Ugarte Postigo , E. Molinari , L. Nicastro , M. Stefanon , V. Testa , G. Tosti , F. Vitali , L. Amati , R. Chapman , P. Conconi , G. Cutispoto , J. P. U. Fynbo , P. Goldoni , C. Henriksen , K. D. Horne , G. Malaspina , E. J. A. Meurs , E. Pian , L. Stella , G. Tagliaferri , P. Ward , F. M. Zerbi

SCUBA sub-millimeter observations of gamma-ray bursters: II. GRB 991208, 991216, 000301C, 000630, 000911, 000926

We discuss our ongoing program of Target of Opportunity sub-millimeter observations of gamma-ray bursts (GRBs) using the Sub-millimetre Common-User Bolometer Array (SCUBA) on the James Clerk Maxwell Telescope (JCMT). Sub-millimeter…

Astrophysics · Physics 2009-11-07 I. A. Smith , R. P. J. Tilanus , R. A. M. J. Wijers , N. Tanvir , P. Vreeswijk , E. Rol , C. Kouveliotou

Evidence for Dust Destruction from the Early-time Colour Change of GRB 120119A

We present broadband observations and analysis of Swift gamma-ray burst (GRB) 120119A. Our early-time afterglow detections began under 15 s after the burst in the host frame (redshift z = 1.73), and they yield constraints on the burst…

High Energy Astrophysical Phenomena · Physics 2015-06-15 Adam N. Morgan , D. A. Perley , S. B. Cenko , J. S. Bloom , A. Cucchiara , J. W. Richards , A. V. Filippenko , J. B. Haislip , A. LaCluyze , A. Corsi , A. Melandri , B. E. Cobb , A. Gomboc , A. Horesh , B. James , W. Li , C. G. Mundell , D. E. Reichart , I. Steele

The luminous host galaxy, faint supernova and rapid afterglow rebrightening of GRB 100418A

Long gamma-ray bursts give us the chance to study both their extreme physics and the star-forming galaxies in which they form. GRB 100418A, at a z = 0.6239, had a bright optical and radio afterglow, and a luminous star-forming host galaxy.…

High Energy Astrophysical Phenomena · Physics 2018-12-19 A. de Ugarte Postigo , C. C. Thoene , K. Bensch , A. J. van der Horst , D. A. Kann , Z. Cano , L. Izzo , P. Goldoni , S. Martin , R. Filgas , P. Schady , J. Gorosabel , I. Bikmaev , M. Bremer , R. Burenin , A. J. Castro-Tirado , S. Covino , J. P. U. Fynbo , D. Garcia-Appadoo , I. de Gregorio-Monsalvo , M. Jelinek , I. Khamitov , A. Kamble , C. Kouveliotou , T. Kruehler , S. Melnikov , M. Nardini , D. A. Perley , G. Petitpas , G. Pooley , A. Rau , E. Rol , R. Sanchez-Ramirez , R. L. C. Starling , N. R. Tanvir , K. Wiersema , R. A. M. J. Wijers , T. Zafar

GRB 011121: A Massive Star Progenitor

Of the cosmological gamma-ray bursts, GRB 011121 has the lowest redshift, z=0.36. More importantly, the multi-color excess in the afterglow detected in the Hubble Space Telescope (HST) light curves is compelling observational evidence for…

Astrophysics · Physics 2009-11-07 P. A. Price , E. Berger , D. E. Reichart , S. R. Kulkarni , R. Subrahmanyan , R. M. Wark , M. H. Wieringa , D. A. Frail , J. Bailey , B. Boyle , E. Corbett , K. Gunn , S. D. Ryder , N. Seymour , K. Koviak , P. McCarthy , M. Phillips , T. S. Axelrod , J. S. Bloom , S. G. Djorgovski , D. W. Fox , T. J. Galama , F. A. Harrison , K. Hurley , R. Sari , B. P. Schmidt , S. A. Yost , M. J. I. Brown , T. Cline , F. Frontera , C. Guidorzi , E. Montanari

Cosmic gamma-ray bursts: observations and modeling

The present common view about GRB origin is related to cosmology, what is based on statistical analysis, and on measurements of the redshifts in the GRB optical afterglows of long GRB. Models of radiation, and models of the central machine…

Astrophysics · Physics 2008-11-26 G. S. Bisnovatyi-Kogan

Studying the WHIM with Gamma Ray Bursts

We assess the possibility to detect and characterize the physical state of the missing baryons at low redshift by analyzing the X-ray absorption spectra of the Gamma Ray Burst [GRB] afterglows, measured by a micro calorimeters-based…

Cosmology and Nongalactic Astrophysics · Physics 2011-02-11 E. Branchini , E. Ursino , A. Corsi , D. Martizzi , L. Amati , J. W. den Herder , M. Galeazzi , B. Gendre , J. Kaastra , L. Moscardini , F. Nicastro , T. Ohashi , F. Paerels , L. Piro , M. Roncarelli , Y. Takei , M. Viel

Probing dust-obscured star formation in the most massive Gamma-Ray Burst host galaxies

Due to their relation to massive stars, long-duration gamma-ray bursts (GRBs) allow pinpointing star formation in galaxies independently of redshift, dust obscuration, or galaxy mass/size, thus providing a unique tool to investigate the…

Astrophysics of Galaxies · Physics 2016-08-31 Jochen Greiner , Michal J. Michalowski , Sylvio Klose , Leslie K. Hunt , Gianfranco Gentile , Peter Kamphuis , Ruben Herrero-Illana , Mark Wieringa , Thomas Krühler , Patricia Schady , Jonathan Elliott , John F. Graham , Eduardo Ibar , Fabian Knust , Ana Nicuesa Guelbenzu , Eliana Palazzi , Andrea Rossi , Sandra Savaglio

GRB 260310A / SN 2026fgk: A Multi-Wavelength Study of a Nearby Underluminous Long GRB and SN with a Complex Afterglow

We present a comprehensive multi-wavelength study of GRB 260310A / SN 2026fgk, a nearby ($z=0.153$), long-duration gamma-ray burst (GRB) with an exceptionally underluminous prompt $\gamma$-ray emission and a Comptonized spectrum. It is…

High Energy Astrophysical Phenomena · Physics 2026-05-26 Ramandeep Gill , Rosa L. Becerra , Antonio de Ugarte Postigo , Christina C. Thöne , Alan M. Watson , Noémie Globus , Jean-Grégoire Ducoin , Peter Veres , Stanley E. Kurtz , Asuka Kuwata , Antonio Martín-Carrillo , Luca Izzo , Christophe Adami , Enrique Moreno Méndez , Nikos Mandarakas , Camila Angulo-Valdez , Stéphane Basa , William H. Lee , Edilberto Aguilar-Ruiz , Dalya Akl , Margo F. Aller , Miguel Ángel Aloy , Jie An , Sarah Antier , Jean-Luc Atteia , Nathaniel R. Butler , Krittapas Chanchaiworawit , Philipe V. De La Parra , Damien Dornic , Francis Fortin , Shaoyu Fu , Johan P. U. Fynbo , Lluis Galbany , Leonardo García-García , Stefan Geier , Marion Guelfand , Linbo He , Shuaiqing Jiang , Emeric Le Floc'h , Massimiliano Lincetto , Xing Liu , Gianluca Lombardi , Diego López-Cámara , Daniele Bjørn Malesani , Francesco Magnani , Kanthanakorn Noysena , Margarita Pereyra , Ny Avo Rakotondrainibe , Anthony C. S. Readhead , Delphine Russeil , Fredd Sánchez-Álvarez , Benjamin Schneider , Tirth D. Surti , Nial R. Tanvir , Samaporn Tinyanont , Dong Xu , Zipei Zhu

GRB environment properties through X and optical afterglow observations

We present the spectral analysis of 14 gamma-ray bursts (GRB) X-ray afterglows in order to investigate the properties of interstellar matter (ISM) along the line of sight of GRB. We carried out a simultaneous analysis of the NIR-optical and…

Astrophysics · Physics 2010-11-11 M. L Conciatore , L. A. Antonelli , G. Stratta , F. Fiore , R. Perna

SkyHopper mission science case I: Identification of high redshift Gamma-Ray Bursts through space-based near-infrared afterglow observations

Long-duration gamma-ray burst (GRB) afterglow observations offer cutting-edge opportunities to characterise the star formation history of the Universe back to the epoch of reionisation, and to measure the chemical composition of…

High Energy Astrophysical Phenomena · Physics 2022-08-17 Matt Thomas , Michele Trenti , Jochen Greiner , Mike Skrutskie , Duncan A. Forbes , Sylvio Klose , Katherine J. Mack , Robert Mearns , Benjamin Metha , Gianpiero Tagliaferri , Nial Tanvir , Stan Skafidas

Photometric studies on the host galaxies of gamma-ray bursts using 3.6m Devasthal Optical Telescope

In this article, we present multi-band photometric observations and analysis of the host galaxies for a sample of five interesting gamma-ray bursts (GRBs) observed using the 3.6m Devasthal Optical Telescope (DOT) and the back-end…

High Energy Astrophysical Phenomena · Physics 2022-11-01 Rahul Gupta , Shashi Bhushan Pandey , Amit Kumar , Amar Aryan , Amit Kumar Ror , Saurabh Sharma , Kuntal Misra , A. J. Castro-Tirado , Sugriva Nath Tiwari

GRBs 070429B and 070714B: The High End of the Short-Duration Gamma-Ray Burst Redshift Distribution

We present optical spectra of the host galaxies of the short-duration gamma-ray burst GRB 070429B and the likely short-duration with extended emission GRB 070714B. In both cases, we find a single emission line that we identify as O II…

Astrophysics · Physics 2008-02-08 S. Bradley Cenko , Edo Berger , Ehud Nakar , Mansi M. Kasliwal , Antonio Cucchiara , Shri R. Kulkarni , Eran Ofek , Derek B. Fox , Fiona A. Harrison , Arne Rau , Paul A. Price , Avishay Gal-Yam , Michael A. Dopita , Bryan E. Penprase

Searching for gravitationally lensed gamma-ray bursts with their afterglows

Gamma-ray bursts (GRBs) at high redshifts are expected to be gravitationally lensed by objects of different mass scales. Besides a single recent claim, no lensed GRB has been detected so far by using the gamma-ray data only. In this paper,…

High Energy Astrophysical Phenomena · Physics 2022-01-19 Sheng-Nan Chen , Xu-Dong Wen , He Gao , Kai Liao , Liang-Duan Liu , Li-Tao Zhao , Zheng-Xiang Li , Marek Biesiada , Aleksandra Piórkowska-Kurpas , Shuo Xiao , Shao-Lin Xiong

The Redshift Dependence of the Radio Flux of Gamma-Ray Bursts and Their Host Galaxies

Using multiwavelength observations of radio afterglows, we confirm the hypothesis that the flux density of gamma-ray bursts (GRBs) at a fixed observing frequency is invariable when the distance of the GRBs increases, which means the…

High Energy Astrophysical Phenomena · Physics 2018-10-10 Z. B. Zhang , P. Chandra , Y. F. Huang , D. Li

Multiwavelength observations of GRB 140629A. A long burst with an achromatic jet break in the optical and X-ray afterglow

We investigate the long GRB140629A through multiwavelength observations, which cover optical, infrared and X-rays between 40s and 3yr after the burst, to derive the properties of the dominant jet and its host galaxy. Polarisation…

High Energy Astrophysical Phenomena · Physics 2019-12-11 Y. -D. Hu , S. R. Oates , V. M. Lipunov , B. -B. Zhang , A. J. Castro-Tirado , S. Jeong , R. Sánchez-Ramírez , J. C. Tello , R. Cunniffe , E. Gorbovskoy , M. D. Caballero-García , S. B. Pandey , V. G. Kornilov , N. V. Tyurina , A. S. Kuznetsov , P. V. Balanutsa , O. A. Gress , I. Gorbunov , D. M. Vlasenko , V. V. Vladimirov , N. M. Budnev , F. Balakin , O. Ershova , V. V. Krushinski , A. V. Gabovich , V. V. Yurkov , J. Gorosabel , A. S. Moskvitin , R. A. Burenin , V. V. Sokolov , I. Delgado , S. Guziy , E. J. Fernandez-García , I. H. Park

A gravitational lensing explanation for the excess of strong Mg-II absorbers in GRB afterglow spectra

GRB afterglows offer a probe of the intergalactic medium out to high redshift which complements observations along more abundant quasar lines-of-sight. Although both quasars and GRB afterglows should provide a-priori random sight-lines…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-18 Stuart Wyithe , S. Peng Oh , Bartosz Pindor