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Title:
Broadband observations of the naked-eye γ-ray burst GRB080319B
Authors:
Racusin, J. L.; Karpov, S. V.; Sokolowski, M.; Granot, J.; Wu, X. F.; Pal'Shin, V.; Covino, S.; van der Horst, A. J.; Oates, S. R.; Schady, P.; Smith, R. J.; Cummings, J.; Starling, R. L. C.; Piotrowski, L. W.; Zhang, B.; Evans, P. A.; Holland, S. T.; Malek, K.; Page, M. T.; Vetere, L.; Margutti, R.; Guidorzi, C.; Kamble, A. P.; Curran, P. A.; Beardmore, A.; Kouveliotou, C.; Mankiewicz, L.; Melandri, A.; O'Brien, P. T.; Page, K. L.; Piran, T.; Tanvir, N. R.; Wrochna, G.; Aptekar, R. L.; Barthelmy, S.; Bartolini, C.; Beskin, G. M.; Bondar, S.; Bremer, M.; Campana, S.; Castro-Tirado, A.; Cucchiara, A.; Cwiok, M.; D'Avanzo, P.; D'Elia, V.; Della Valle, M.; de Ugarte Postigo, A.; Dominik, W.; Falcone, A.; Fiore, F.; Fox, D. B.; Frederiks, D. D.; Fruchter, A. S.; Fugazza, D.; Garrett, M. A.; Gehrels, N.; Golenetskii, S.; Gomboc, A.; Gorosabel, J.; Greco, G.; Guarnieri, A.; Immler, S.; Jelinek, M.; Kasprowicz, G.; La Parola, V.; Levan, A. J.; Mangano, V.; Mazets, E. P.; Molinari, E.; Moretti, A.; Nawrocki, K.; Oleynik, P. P.; Osborne, J. P.; Pagani, C.; Pandey, S. B.; Paragi, Z.; Perri, M.; Piccioni, A.; Ramirez-Ruiz, E.; Roming, P. W. A.; Steele, I. A.; Strom, R. G.; Testa, V.; Tosti, G.; Ulanov, M. V.; Wiersema, K.; Wijers, R. A. M. J.; Winters, J. M.; Zarnecki, A. F.; Zerbi, F.; Mészáros, P.; Chincarini, G.; Burrows, D. N.
Affiliation:
AA(Department of Astronomy and Astrophysics, 525 Davey Laboratory, Pennsylvania State University, University Park, Pennsylvania 16802, USA), AB(Special Astrophysical Observatory, Nizhnij Arkhyz, Zelenchukskij region, Karachai-Cirkassian Republic, Russia 369167), AC(Soltan Institute for Nuclear Studies, 05-400 Otwock-Swierk, Poland), AD(Centre for Astrophysics Research, University of Hertfordshire, College Lane, Hatfield AL10 9AB, UK), AE(Department of Astronomy and Astrophysics, 525 Davey Laboratory, Pennsylvania State University, University Park, Pennsylvania 16802, USA), AF(Ioffe Physico-Technical Institute, Laboratory for Experimental Astrophysics, Saint Petersburg 194021, Russian Federation), AG(INAF-Osservatorio Astronomico di Brera, via E. Bianchi 46, I-23807 Merate (LC), Italy), AH(NASA Postdoctoral Program Fellow, NSSTC, 320 Sparkman Drive, Huntsville, Alabama 35805, USA), AI(The UCL Mullard Space Science Laboratory, Holmbury St Mary, Surrey RH5 6NT, UK), AJ(The UCL Mullard Space Science Laboratory, Holmbury St Mary, Surrey RH5 6NT, UK), AK(Astrophysics Research Institute, Liverpool John Moores University, Twelve Quays House, Birkenhead CH41 1LD, UK), AL(Astrophysics Science Division, Code 661, NASA's Goddard Space Flight Centre, 8800 Greenbelt Road, Greenbelt, Maryland 20771, USA), AM(Department of Physics and Astronomy, University of Leicester, Leicester LE1 7RH, UK), AN(Institute of Experimental Physics, University of Warsaw, Hoża 69, 00-681 Warsaw, Poland), AO(Department of Physics and Astronomy, University of Nevada Las Vegas, Las Vegas, Nevada 89154, USA), AP(Department of Physics and Astronomy, University of Leicester, Leicester LE1 7RH, UK), AQ(Astrophysics Science Division, Code 660.1, NASA Goddard Space Flight Centre, 8800 Greenbelt Road, Greenbelt, Maryland 20771, USA), AR(Center for Theoretical Physics PAS, Al. Lotników 32/46, 02-668 Warsaw, Poland), AS(The UCL Mullard Space Science Laboratory, Holmbury St Mary, Surrey RH5 6NT, UK), AT(Department of Astronomy and Astrophysics, 525 Davey Laboratory, Pennsylvania State University, University Park, Pennsylvania 16802, USA), AU(Università degli Studi di Milano Bicocca, Physics Department, Piazza della Scienza 3, I-20126 Milano, Italy), AV(INAF-Osservatorio Astronomico di Brera, via E. Bianchi 46, I-23807 Merate (LC), Italy), AW(Astronomical Institute `Anton Pannekoek', University of Amsterdam, Kruislaan 403, 1098 SJ Amsterdam, The Netherlands), AX(Astronomical Institute `Anton Pannekoek', University of Amsterdam, Kruislaan 403, 1098 SJ Amsterdam, The Netherlands), AY(Department of Physics and Astronomy, University of Leicester, Leicester LE1 7RH, UK), AZ(NASA/Marshall Space Flight Center, VP62, NSSTC, 320 Sparkman Drive, Huntsville, Alabama 35805, USA), BA(Center for Theoretical Physics PAS, Al. Lotników 32/46, 02-668 Warsaw, Poland), BB(Astrophysics Research Institute, Liverpool John Moores University, Twelve Quays House, Birkenhead CH41 1LD, UK), BC(Department of Physics and Astronomy, University of Leicester, Leicester LE1 7RH, UK), BD(Department of Physics and Astronomy, University of Leicester, Leicester LE1 7RH, UK), BE(Racah Institute for Physics, The Hebrew University, Jerusalem, 91904, Israel), BF(Department of Physics and Astronomy, University of Leicester, Leicester LE1 7RH, UK), BG(Soltan Institute for Nuclear Studies, 05-400 Otwock-Swierk, Poland), BH(Ioffe Physico-Technical Institute, Laboratory for Experimental Astrophysics, Saint Petersburg 194021, Russian Federation), BI(Astrophysics Science Division, Code 661, NASA's Goddard Space Flight Centre, 8800 Greenbelt Road, Greenbelt, Maryland 20771, USA), BJ(Universitá di Bologna, Via Ranzani 1, 40126 Bologna, Italy), BK(Special Astrophysical Observatory, Nizhnij Arkhyz, Zelenchukskij region, Karachai-Cirkassian Republic, Russia 369167), BL(Institute for Precise Instrumentation, Nizhnij Arkhyz 369167, Russian Federation), BM(Institute de Radioastronomie Millimétrique (IRAM), 300 rue de la Piscine, 38406 Saint Martin d'Hères, France), BN(INAF-Osservatorio Astronomico di Brera, via E. Bianchi 46, I-23807 Merate (LC), Italy), BO(Instituto de Astrofísica de Andalucía (IAA-CSIC), PO Box 03004, 18080 Granada, Spain), BP(Department of Astronomy and Astrophysics, 525 Davey Laboratory, Pennsylvania State University, University Park, Pennsylvania 16802, USA), BQ(Institute of Experimental Physics, University of Warsaw, Hoża 69, 00-681 Warsaw, Poland), BR(INAF-Osservatorio Astronomico di Brera, via E. Bianchi 46, I-23807 Merate (LC), Italy), BS(INAF - Osservatorio Astronomico di Roma, via Frascati 33, 00040 Monteporzio Catone, Italy), BT(European Southern Observatory, Karl-Schwarzschild-Strasse 2, D-85748 Garching bei München, Germany; INAF - Osservatorio Astronomico di Capodimonte, Salita Moiariello, 16, 80131 Napoli, Italy), BU(European Southern Observatory, Casilla 19001, Santiago 19, Chile), BV(Institute of Experimental Physics, University of Warsaw, Hoża 69, 00-681 Warsaw, Poland), BW(Department of Astronomy and Astrophysics, 525 Davey Laboratory, Pennsylvania State University, University Park, Pennsylvania 16802, USA), BX(INAF - Osservatorio Astronomico di Roma, via Frascati 33, 00040 Monteporzio Catone, Italy), BY(Department of Astronomy and Astrophysics, 525 Davey Laboratory, Pennsylvania State University, University Park, Pennsylvania 16802, USA), BZ(Ioffe Physico-Technical Institute, Laboratory for Experimental Astrophysics, Saint Petersburg 194021, Russian Federation), CA(Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, Maryland 21218, USA), CB(INAF-Osservatorio Astronomico di Brera, via E. Bianchi 46, I-23807 Merate (LC), Italy), CC(Netherlands Institute for Radio Astronomy (ASTRON), Postbus 2, 7990 AA Dwingeloo, The Netherlands; Leiden Observatory, University of Leiden, PB 9513, Leiden 2300 RA, The Netherlands), CD(Astrophysics Science Division, Code 661, NASA's Goddard Space Flight Centre, 8800 Greenbelt Road, Greenbelt, Maryland 20771, USA), CE(Ioffe Physico-Technical Institute, Laboratory for Experimental Astrophysics, Saint Petersburg 194021, Russian Federation), CF(Faculty of Mathematics and Physics, University of Ljubljana, Jadranska 19, SI-1000 Ljubljana, Slovenia), CG(Instituto de Astrofísica de Andalucía (IAA-CSIC), PO Box 03004, 18080 Granada, Spain), CH(Universitá di Bologna, Via Ranzani 1, 40126 Bologna, Italy), CI(Universitá di Bologna, Via Ranzani 1, 40126 Bologna, Italy), CJ(Astrophysics Science Division, Code 660.1, NASA Goddard Space Flight Centre, 8800 Greenbelt Road, Greenbelt, Maryland 20771, USA), CK(Instituto de Astrofísica de Andalucía (IAA-CSIC), PO Box 03004, 18080 Granada, Spain), CL(Institute of Electronic Systems, Warsaw University of Technology, Nowowiejska 15/19, 00-665 Warsaw, Poland), CM(INAF - IASF PA, Via Ugo La Malfa 153, 90146 Palermo, Italy), CN(Department of Physics, University of Warwick, Coventry CV4 7AL, UK), CO(INAF - IASF PA, Via Ugo La Malfa 153, 90146 Palermo, Italy), CP(Ioffe Physico-Technical Institute, Laboratory for Experimental Astrophysics, Saint Petersburg 194021, Russian Federation), CQ(INAF-Osservatorio Astronomico di Brera, via E. Bianchi 46, I-23807 Merate (LC), Italy), CR(INAF-Osservatorio Astronomico di Brera, via E. Bianchi 46, I-23807 Merate (LC), Italy), CS(Soltan Institute for Nuclear Studies, 05-400 Otwock-Swierk, Poland), CT(Ioffe Physico-Technical Institute, Laboratory for Experimental Astrophysics, Saint Petersburg 194021, Russian Federation), CU(Department of Physics and Astronomy, University of Leicester, Leicester LE1 7RH, UK), CV(Department of Astronomy and Astrophysics, 525 Davey Laboratory, Pennsylvania State University, University Park, Pennsylvania 16802, USA), CW(Aryabhatta Research Institute of Observational-Sciences (ARIES), Manora Peak, NainiTal, Uttarakhand 263129, India), CX(Joint Institute for VLBI in Europe (JIVE), Postbus 2, 7990 AA Dwingeloo, The Netherlands), CY(ASI Science Data Center, c/o ESRIN, via G. Galilei, 00044 Frascati, Italy), CZ(Universitá di Bologna, Via Ranzani 1, 40126 Bologna, Italy), DA(Department of Astronomy and Astrophysics, University of California, Santa Cruz, California 95064, USA), DB(Department of Astronomy and Astrophysics, 525 Davey Laboratory, Pennsylvania State University, University Park, Pennsylvania 16802, USA), DC(Astrophysics Research Institute, Liverpool John Moores University, Twelve Quays House, Birkenhead CH41 1LD, UK), DD(Astronomical Institute `Anton Pannekoek', University of Amsterdam, Kruislaan 403, 1098 SJ Amsterdam, The Netherlands; Netherlands Institute for Radio Astronomy (ASTRON), Postbus 2, 7990 AA Dwingeloo, The Netherlands), DE(INAF - Osservatorio Astronomico di Roma, via Frascati 33, 00040 Monteporzio Catone, Italy), DF(University of Perugia, Piazza dell'Università 1, 06100 Perugia, Italy), DG(Ioffe Physico-Technical Institute, Laboratory for Experimental Astrophysics, Saint Petersburg 194021, Russian Federation), DH(Department of Physics and Astronomy, University of Leicester, Leicester LE1 7RH, UK), DI(Astronomical Institute `Anton Pannekoek', University of Amsterdam, Kruislaan 403, 1098 SJ Amsterdam, The Netherlands), DJ(Institute de Radioastronomie Millimétrique (IRAM), 300 rue de la Piscine, 38406 Saint Martin d'Hères, France), DK(Institute of Experimental Physics, University of Warsaw, Hoża 69, 00-681 Warsaw, Poland), DL(INAF-Osservatorio Astronomico di Brera, via E. Bianchi 46, I-23807 Merate (LC), Italy), DM(Department of Astronomy and Astrophysics, 525 Davey Laboratory, Pennsylvania State University, University Park, Pennsylvania 16802, USA; Physics Department, 104 Davey Laboratory, Pennsylvania State University, University Park, Pennsylvania 16801, USA), DN(INAF-Osservatorio Astronomico di Brera, via E. Bianchi 46, I-23807 Merate (LC), Italy; Università degli Studi di Milano Bicocca, Physics Department, Piazza della Scienza 3, I-20126 Milano, Italy), DO(Department of Astronomy and Astrophysics, 525 Davey Laboratory, Pennsylvania State University, University Park, Pennsylvania 16802, USA)
Publication:
Nature, Volume 455, Issue 7210, pp. 183-188 (2008). (Nature Homepage)
Publication Date:
09/2008
Origin:
NATURE
DOI:
10.1038/nature07270
Bibliographic Code:
2008Natur.455..183R

Abstract

Long-duration γ-ray bursts (GRBs) release copious amounts of energy across the entire electromagnetic spectrum, and so provide a window into the process of black hole formation from the collapse of massive stars. Previous early optical observations of even the most exceptional GRBs (990123 and 030329) lacked both the temporal resolution to probe the optical flash in detail and the accuracy needed to trace the transition from the prompt emission within the outflow to external shocks caused by interaction with the progenitor environment. Here we report observations of the extraordinarily bright prompt optical and γ-ray emission of GRB080319B that provide diagnostics within seconds of its formation, followed by broadband observations of the afterglow decay that continued for weeks. We show that the prompt emission stems from a single physical region, implying an extremely relativistic outflow that propagates within the narrow inner core of a two-component jet.
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