Related papers: Was GRB~980329 at z ~ 5?

The extreme, red afterglow of GRB 060923A: Distance or dust?

Gamma-ray bursts are powerful probes of the early universe, but locating and identifying very distant GRBs remains challenging. We report here the discovery of the K-band afterglow of Swift GRB 060923A, imaged within the first hour…

Astrophysics · Physics 2009-06-23 N. R. Tanvir , A. J. Levan , E. Rol , R. L. C. Starling , J. Gorosabel , R. S. Priddey , D. Malesani , P. Jakobsson , P. T. O'Brien , A. O. Jaunsen , J. Hjorth , J. P. U. Fynbo , A. Melandri , A. Gomboc , B. Milvang-Jensen , A. S. Fruchter , M. Jarvis , C. A. C. Fernandes , T. Wold

GRB 050814 at z = 5.3 and the Redshift Distribution of Swift GRBs

We report optical, near-infrared and X-ray observations of the afterglow of GRB 050814, which was seen to exhibit very red optical colours. By modelling its spectral energy distribution we find that z = 5.3 +/- 0.3. We next present a…

Astrophysics · Physics 2009-11-11 P. Jakobsson , A. Levan , J. P. U. Fynbo , R. Priddey , J. Hjorth , N. Tanvir , D. Watson , B. L. Jensen , J. Sollerman , P. Natarajan , J. Gorosabel , J. M. Castro Cerón , K. Pedersen

The extraordinarily bright optical afterglow of GRB 991208 and its host galaxy

Observations of the extraordinarily bright optical afterglow (OA) of GRB 991208 started 2.1 d after the event. The flux decay constant of the OA in the R-band is -2.30 +/- 0.07 up to 5 d, which is very likely due to the jet effect, and…

Astrophysics · Physics 2007-05-23 A. J. Castro-Tirado , V. V. Sokolov , J. Gorosabel , J. M. Castro Cerón , J. Greiner , R. A. M. J. Wijers , B. L. Jensen , J. Hjorth , S. Toft , H. Pedersen , E. Palazzi , E. Pian , N. Masetti , R. Sagar , V. Mohan , A. K. Pandey , S. B. Pandey , S. N. Dodonov , T. A. Fatkhullin , V. L. Afanasiev , V. N. Komarova , A. V. Moiseev , R. Hudec , V. Simon , P. Vreeswijk , E. Rol , S. Klose , B. Stecklum , M. R. Zapatero-Osorio , N. Caon , C. Blake , J. Wall , D. Heinlein , A. Henden , S. Benetti , A. Magazzu , F. Ghinassi , L. Tommasi , M. Bremer , C. Kouveliotou , S. Guziy , A. Shlyapnikov , U. Hopp , G. Feulner , S. Dreizler , D. Hartmann , H. Boehnhardt , J. M. Paredes , J. Marti , E. Xanthopoulos , H. E. Kristen , J. Smoker , H. Hurley

HST/STIS observations of GRB000301C: CCD imaging and NUV MAMA spectroscopy

We present HST/STIS observations of the optical counterpart (OT) of the gamma-ray burster GRB 000301C obtained on 2000 March 6, five days after the burst. CCD clear aperture imaging reveals a R ~ 21.50+/-0.15 source with no apparent host…

Astrophysics · Physics 2008-11-26 A. Smette , A. S. Fruchter , T. R. Gull , K. C. Sahu , L. Petro , H. Ferguson , J. Rhoads , D. L. Lindler , R. Gibbons , D. W. Hogg , C. Kouveliotou , M. Livio , D. Macchetto , M. R. Metzger , H. Pedersen , E. Pian , S. E. Thorsett , R. Wijers , J. P. U. Fynbo , J. Gorosabel , J. Hjorth , B. L. Jensen , A. Levine , D. A. Smith , T. Cline , K. Hurley , J. Trombka

A possible bright blue SN in the afterglow of GRB 020305

We report on ground-based and HST(+STIS) imaging of the afterglow and host galaxy of the Gamma-Ray Burst (GRB) of March 5 2002. The GRB occurred in a R=25.17+/-0.14 galaxy, which apparently is part of an interacting system. The lightcurve…

Astrophysics · Physics 2008-11-26 J. Gorosabel , J. P. U. Fynbo , A. Fruchter , A. Levan , J. Hjorth , P. Nugent , A. J. Castro-Tirado , J. M. Castro Cerón , J. Rhoads , D. Bersier , I. Burud

The redshift and the ordinary host galaxy of GRB 970228

The gamma-ray burst of 28 February 1997 (GRB 970228) ushered in the discovery of the afterglow phenomenon. Despite intense study of the host galaxy, however, the nature of the host and the distance to the burst eluded the community. Here we…

Astrophysics · Physics 2009-10-31 J. S. Bloom , S. G. Djorgovski , S. R. Kulkarni

Multi-Color Observations of the GRB000926 Afterglow

We present multi-color light-curves of the optical afterglow of GRB 000926. Beginning ~1.5 days after the burst, the light-curves of this GRB steepen measurably. The existence of such achromatic breaks are usually taken to be an important…

Astrophysics · Physics 2009-10-31 P. A. Price , F. A. Harrison , T. J. Galama , D. E. Reichart , T. S. Axelrod , E. J. Berger , J. S. Bloom , J. Busche , T. Cline , A. Diercks , S. G. Djorgovski , D. A. Frail , A. Gal-Yam , J. Halpern , J. A. Holtzman , M. Hunt , K. Hurley , B. Jacoby , R. Kimble , S. R. Kulkarni , N. Mirabal , G. Morrison , E. Ofek , O. Pevunova , R. Sari , B. P. Schmidt , D. Turnshek , S. Yost

The Host Galaxy and Optical Light Curve of the Gamma-Ray Burst GRB 980703

We present deep HST/STIS and ground-based photometry of the host galaxy of the gamma-ray burst GRB 980703 taken 17, 551, 710, and 716 days after the burst. We find that the host is a blue, slightly over-luminous galaxy with V_gal = 23.00…

Astrophysics · Physics 2007-05-23 S. Holland , J. P. U. Fynbo , J. Hjorth , J. Gorosabel , H. Pedersen , M. I. Andersen , A. Dar , B. Thomsen , P. Moller , G. Bjornsson , A. O. Jaunsen , P. Natarajan , N. Tanvir

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

GRB 020410: A Gamma-Ray Burst Afterglow Discovered by its Supernova Light

We present the discovery and monitoring of the optical transient (OT) associated with GRB 020410. The fading OT was found by Hubble Space Telescope (HST) observations taken 28 and 65 days after burst at a position consistent with the X-ray…

Astrophysics · Physics 2008-11-26 A. Levan , P. Nugent , A. Fruchter , I Burud , D. Branch , J. Rhoads , A. J. Castro-Tirado , J. Gorosabel , J. M. Castro Cerón , S. E. Thorsett , C. Kouveliotou , S. Golenetskii , J. P. U. Fynbo , P. Garnavich , S. T. Holland , J. Hjorth , P. Moller , E. Pian , N. Tanvir , M. Ulanov , R. A. M. J. Wijers , S. Woosley

Constraining the nature of the most distant Gamma-Ray Burst host galaxies

Long duration gamma-ray bursts (GRBs) allow us to explore the distant Universe, and are potentially the most effective tracer of the most distant objects. Our current knowledge of the properties of GRB host galaxies at redshifts >5 is very…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-04 S. Basa , J. G. Cuby , S. Savaglio , S. Boissier , B. Clement , H. Flores , D. Le Borgne , A. Mazure

The afterglow and host galaxy of GRB 090205: evidence for a Ly-alpha emitter at z=4.65

Gamma-ray bursts have been proved to be detectable up to distances much larger than any other astrophysical object, providing the most effective way, complementary to ordinary surveys, to study the high redshift universe. To this end, we…

High Energy Astrophysical Phenomena · Physics 2015-05-19 P. D'Avanzo , M. Perri , D. Fugazza , R. Salvaterra , G. Chincarini , R. Margutti , X. F. Wu , C. C. Thoene , A. Fernandez-Soto , T. N. Ukwatta , D. N. Burrows , N. Gehrels , P. Meszaros , K. Toma , B. Zhang , S. Covino , S. Campana , V. D'Elia , M. Della Valle , S. Piranomonte

VLT/X-shooter spectroscopy of the afterglow of the Swift GRB 130606A: Chemical abundances and reionisation at $z\sim6$

The reionisation of the Universe is thought to have ended around z~6, as inferred from spectroscopy of distant bright background sources, such as quasars (QSO) and gamma-ray burst (GRB) afterglows. Furthermore, spectroscopy of a GRB…

Astrophysics of Galaxies · Physics 2015-08-26 O. E. Hartoog , D. Malesani , J. P. U. Fynbo , T. Goto , T. Krühler , P. M. Vreeswijk , A. De Cia , D. Xu , P. Møller , S. Covino , V. D'Elia , H. Flores , P. Goldoni , J. Hjorth , P. Jakobsson , J. -K. Krogager , L. Kaper , C. Ledoux , A. J. Levan , B. Milvang-Jensen , J. Sollerman , M. Sparre , G. Tagliaferri , N. R. Tanvir , A. de Ugarte Postigo , S. D. Vergani , K. Wiersema , J. Datson , R. Salinas , K. Mikkelsen , N. Aghanim

VLT spectroscopy of GRB 990510 and GRB 990712; probing the faint and bright end of the GRB host galaxy population

We present time-resolved optical spectroscopy of the afterglows of the gamma-ray bursts GRB 990510 and GRB 990712. Through the identification of several absorption lines in the first epoch GRB 990510 spectrum, we determine the redshift for…

Astrophysics · Physics 2014-11-25 P. M. Vreeswijk , A. Fruchter , L. Kaper , E. Rol , T. J. Galama , J. van Paradijs , C. Kouveliotou , R. A. M. J. Wijers , E. Pian , E. Palazzi , N. Masetti , F. Frontera , S. Savaglio , K. Reinsch , F. V. Hessman , K. Beuermann , H. Nicklas , E. P. J. van den Heuvel

The metallicity and dust content of a redshift 5 gamma-ray burst host galaxy

Observations of the afterglows of long gamma-ray bursts (GRBs) allow the study of star-forming galaxies across most of cosmic history. Here we present observations of GRB 111008A from which we can measure metallicity, chemical abundance…

Cosmology and Nongalactic Astrophysics · Physics 2014-04-08 M. Sparre , O. E. Hartoog , T. Krühler , J. P. U. Fynbo , D. J. Watson , K. Wiersema , V. D'Elia , T. Zafar , P. M. J. Afonso , S. Covino , A. de Ugarte Postigo , H. Flores , P. Goldoni , J. Greiner , J. Hjorth , P. Jakobsson , L. Kaper , S. Klose , A. J. Levan , D. Malesani , B. Milvang-Jensen , M. Nardini , S. Piranomonte , J. Sollerman , R. Sánchez-Ramírez , S. Schulze , N. R. Tanvir , S. D. Vergani , R. A. M. J. Wijers

The Host Galaxy of the Gamma--Ray Burst 971214

We report on Hubble Space Telescope (HST) observations of the host galaxy of GRB 971214, about four months after the burst. The redshift of the proposed host galaxy at z=3.418, combined with optical and radio observations of the burst…

Astrophysics · Physics 2009-10-30 S. C. Odewahn , S. G. Djorgovski , S. R. Kulkarni , M. Dickinson , D. A. Frail , A. N. Ramaprakash , J. S. Bloom , K. L. Adelberger , J. Halpern , D. J. Helfand , J. Bahcall , R. Goodrich , F. Frontera , M. Feroci , L. Piro , E. Costa

Evidence for Supernova-Synthesised Dust from the Rising Afterglow of GRB 071025 at z~5

We present observations and analysis of the broadband afterglow of Swift GRB 071025. Using optical and infrared (RIYJHK) photometry, we derive a photometric redshift of 4.4 < z < 5.2; at this redshift our simultaneous multicolour…

High Energy Astrophysical Phenomena · Physics 2015-05-14 Daniel A. Perley , J. S. Bloom , C. R. Klein , S. Covino , T. Minezaki , P. Wozniak , W. T. Vestrand , G. G. Williams , P. Milne , N. R. Butler , A. C. Updike , T. Krühler , P. Afonso , A. Antonelli , L. Cowie , P. Ferrero , J. Greiner , D. H. Hartmann , Y. Kakazu , A. Küpcü Yoldas , A. N. Morgan , P. A. Price , J. X. Prochaska , Y. Yoshii

The bright Gamma-Ray Burst of February 10, 2000: a case study of an optically dark GRB

The gamma-ray burst GRB000210 had the highest gamma-ray peak flux of any event localized by BeppoSAX as yet but it did not have a detected optical afterglow. It is therefore one of the events recently classified as dark GRBs or GHOST (GRB…

Astrophysics · Physics 2016-08-16 L. Piro , D. A. Frail , J. Gorosabel , G. Garmire , P. Soffitta , L. Amati , M. I. Andersen , L. A. Antonelli , E. Berger , F. Frontera , J. Fynbo , G. Gandolfi , M. R. Garcia , J. Hjorth , J. in 't Zand , B. L. Jensen , N. Masetti , P. Möller , H. Pedersen , E. Pian , M. H. Wieringa

The very red afterglow of GRB 000418 - further evidence for dust extinction in a GRB host galaxy

We report near-infrared and optical follow-up observations of the afterglow of the Gamma-Ray Burst 000418 starting 2.5 days after the occurrence of the burst and extending over nearly seven weeks. GRB 000418 represents the second case for…

Astrophysics · Physics 2008-11-26 S. Klose , B. Stecklum , N. Masetti , E. Pian , E. Palazzi , A. A. Henden , D. H. Hartmann , O. Fischer , J. Gorosabel , C. Sanchez-Fernandez , D. Butler , Th. Ott , S. Hippler , M. Kasper , R. Weiss , A. Castro-Tirado , J. Greiner , C. Bartolini , A. Guarnieri , A. Piccioni , S. Benetti , F. Ghinassi , A. Magazzu , K. Hurley , T. Cline , J. Trombka , T. McClanahan , R. Starr , J. Goldsten , R. Gold , E. Mazets , S. Golenetskii , K. Noeske , P. Papaderos , P. M. Vreeswijk , N. Tanvir , A. Oscoz , J. M. Munnoz , J. M. Castro Cerón

A deep search for the host galaxies of GRBs with no detected optical afterglow

Gamma-Ray Bursts can provide information about star formation at high redshifts. Even in the absence of a optical/near-infrared/radio afterglow, the high detection rate of X-ray afterglows by swift/XRT and its localization precision of 2-3…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-04 A. Rossi , S. Klose , P. Ferrero , J. Greiner , L. A. Arnold , E. Gonsalves , D. H. Hartmann , A. C. Updike , D. A. Kann , T. Krühler , E. Palazzi , S. Savaglio , S. Schulze , P. M. J. Afonso , L. Amati , A. J. Castro-Tirado , C. Clemens , R. Filgas , J. Gorosabe , L. K. Hunt , A. Küpcü Yoldas , N. Masetti , M. Nardini , A. Nicuesa Guelbenzu , F. Olivares E. , E. Pian , A. Rau , P. Schady , S. Schmidl , A. Yoldas , A. de Ugarte Postigo