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A. Pozanenko
Researcher at Space Research Institute
Publications - 18
Citations - 1111
A. Pozanenko is an academic researcher from Space Research Institute. The author has contributed to research in topics: Gamma-ray burst & Afterglow. The author has an hindex of 12, co-authored 18 publications receiving 1042 citations.
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Journal ArticleDOI
The Afterglows of Swift-era Gamma-ray Bursts. I. Comparing pre-Swift and Swift-era Long/Soft (Type II) GRB Optical Afterglows
David Alexander Kann,Sylvio Klose,Bing Zhang,D. B. Malesani,Ehud Nakar,Ehud Nakar,A. Pozanenko,A. C. Wilson,Nathaniel R. Butler,Pall Jakobsson,Pall Jakobsson,Steve Schulze,Maksim V. Andreev,L. A. Antonelli,I. F. Bikmaev,V. Biryukov,Markus Böttcher,R. A. Burenin,J. M. Castro Cerón,J. M. Castro Cerón,A. J. Castro-Tirado,G. Chincarini,G. Chincarini,B. E. Cobb,B. E. Cobb,Stefano Covino,P. D'Avanzo,Valerio D'Elia,M. Della Valle,M. Della Valle,A. de Ugarte Postigo,Yu. S. Efimov,P. Ferrero,Dino Fugazza,Johan P. U. Fynbo,M. Gålfalk,F. Grundahl,Javier Gorosabel,S. Gupta,Sergei Guziy,B. M. Hafizov,Jens Hjorth,K. Holhjem,Mansur Ibrahimov,Myungshin Im,G. L. Israel,M. Jeĺinek,B. L. Jensen,R. Karimov,Irek Khamitov,Ü. Kızıloǧlu,E. Klunko,Petr Kubánek,Alexander Kutyrev,Peter Laursen,Andrew J. Levan,Filippo Mannucci,C. M. Martin,A. Mescheryakov,Nestor Mirabal,Jay P. Norris,J. E. Ovaldsen,D. Paraficz,Elena P. Pavlenko,Silvia Piranomonte,Andrea Rossi,Vasilij Rumyantsev,R. Salinas,A. Sergeev,D. Sharapov,Jesper Sollerman,Jesper Sollerman,Bringfried Stecklum,Luigi Stella,Gianpiero Tagliaferri,Nial R. Tanvir,J. Telting,Vincenzo Testa,Adria C. Updike,A. Volnova,Darach Watson,Klaas Wiersema,Klaas Wiersema,Dong Xu +83 more
TL;DR: The first indications of a class of long GRBs are presented, which form a bridge between the typical high-luminosity, high-redshift events and nearby low- luminosity events (which are also associated with spectroscopic supernovae) in terms of energetics and observed redshift distribution, indicating a continuous distribution overall.
Journal ArticleDOI
THE AFTERGLOW OF GRB 130427A FROM 1 TO 10(16) GHz
Daniel A. Perley,S. B. Cenko,S. B. Cenko,S. B. Cenko,A. Corsi,Nial R. Tanvir,Andrew J. Levan,David Alexander Kann,Eda Sonbas,Klaas Wiersema,WeiKang Zheng,X. H. Zhao,Jin-Ming Bai,M. N. Bremer,A. J. Castro-Tirado,A. J. Castro-Tirado,Liang Chang,Kelsey I. Clubb,Dale A. Frail,A. S. Fruchter,Ersin Gogus,Jochen Greiner,Tolga Guver,Assaf Horesh,Alexei V. Filippenko,Sylvio Klose,Jirong Mao,Adam N. Morgan,A. Pozanenko,S. Schmidl,B. Stecklum,M. Tanga,A. Volnova,A. E. Volvach,J.-G. Wang,J. M. Winters,Yu-Xin Xin +36 more
TL;DR: In this paper, a large suite of multi-wavelength observations spanning from 300 s to 130 days after a gamma-ray burst (GRB 130427A) was presented, showing that the afterglow shows relatively simple, smooth evolution at all frequencies.
Journal ArticleDOI
A log NH I = 22.6 Damped Lyα Absorber in a Dark Gamma-Ray Burst: The Environment of GRB 050401*
Darach Watson,Johan P. U. Fynbo,C. Ledoux,Paul Vreeswijk,Jens Hjorth,Alain Smette,Alain Smette,Anja C. Andersen,Kentaro Aoki,T. Augusteijn,A. P. Beardmore,D. Bersier,J. M. Castro Cerón,P. D'Avanzo,D. Diaz-Fraile,Javier Gorosabel,P. Hirst,P. Jakobsson,B. L. Jensen,N. Kawai,George Kosugi,Peter Laursen,Andrew J. Levan,Josefa Masegosa,Jyri Näränen,K. L. Page,Kristian Pedersen,A. Pozanenko,James Reeves,James Reeves,Vasilij Rumyantsev,T. Shahbaz,D. Sharapov,Jesper Sollerman,R. L. C. Starling,Nial Tanvir,K. Torstensson,Klaas Wiersema +37 more
TL;DR: In this paper, the optical afterglow spectrum of GRB 050401 (at z = 2.8992 ± 0.0004) shows the presence of a damped Lyα absorber (DLA), with log N = 22.6 ± 1.3.
Journal ArticleDOI
A tale of two GRB-SNe at a common redshift of z = 0.54
Zach Cano,D. Bersier,C. Guidorzi,C. Guidorzi,Raffaella Margutti,K. M. Svensson,Shiho Kobayashi,A. Melandri,A. Melandri,Klaas Wiersema,A. Pozanenko,A. J. van der Horst,Guy G. Pooley,Alberto Fernández-Soto,A. J. Castro-Tirado,A. de Ugarte Postigo,Myungshin Im,Atish Kamble,D. K. Sahu,J. Alonso-Lorite,G. C. Anupama,J. L. Bibby,J. L. Bibby,Martin Burgdorf,Martin Burgdorf,N. Clay,P. A. Curran,T. A. Fatkhullin,A. S. Fruchter,Peter M. Garnavich,Andreja Gomboc,Javier Gorosabel,John F. Graham,U. K. Gurugubelli,Josh Haislip,Kuiyun Huang,Avon Huxor,Mansur Ibrahimov,Yiseul Jeon,Y.-B. Jeon,K. M. Ivarsen,Daniel Kasen,E. Klunko,Chryssa Kouveliotou,Aaron P. LaCluyze,Andrew J. Levan,V. Loznikov,Paolo A. Mazzali,A. S. Moskvitin,C. J. Mottram,Carole Mundell,Peter Nugent,Melissa C. Nysewander,P. T. O'Brien,W. K. Park,V. Peris,Elena Pian,Daniel E. Reichart,James E. Rhoads,Evert Rol,Vasilij Rumyantsev,Victoria Scowcroft,D. Shakhovskoy,Emma E. Small,Rory Smith,V. V. Sokolov,R. L. C. Starling,Iain A. Steele,Richard G. Strom,Richard G. Strom,Richard G. Strom,Nial R. Tanvir,Yiannis Tsapras,Yiannis Tsapras,Yuji Urata,Ovidiu Vaduvescu,A. Volnova,A. Volvach,Ralph A. M. J. Wijers,S. E. Woosley,D. R. Young +80 more
TL;DR: In this paper, ground-based and Hubble Space Telescope optical observations of the optical transients (OTs) of long-duration Gamma Ray Bursts (GRBs) 060729 and 090618, both at a redshift of z = 0.54, were presented.
Journal ArticleDOI
Multiwavelength Analysis of the Intriguing GRB 061126: The Reverse Shock Scenario and Magnetization
Andreja Gomboc,Andreja Gomboc,Shiho Kobayashi,C. Guidorzi,C. Guidorzi,A. Melandri,V. Mangano,B. Sbarufatti,Carole Mundell,Patricia Schady,Rory Smith,Adria C. Updike,David Alexander Kann,Kuntal Misra,Kuntal Misra,Evert Rol,A. Pozanenko,A. J. Castro-Tirado,G. C. Anupama,D. Bersier,M. F. Bode,David Carter,P. A. Curran,Andrew S. Fruchter,James R. Graham,Dieter H. Hartmann,Mansur Ibrahimov,Andrew J. Levan,A. Monfardini,A. Monfardini,C. J. Mottram,P. T. O'Brien,P. Prema,D. K. Sahu,Iain A. Steele,Nial R. Tanvir,Klaas Wiersema +36 more
TL;DR: A detailed study of the prompt and afterglow emission from Swift GRB 061126 using BAT, XRT, UVOT data and multicolor optical imaging from 10 ground-based telescopes is presented in this paper.