<i>Swift</i>and<i>NuSTAR</i>observations of GW170817: Detection of a blue kilonova
N. GehrelsUniversity of Leicester, X-ray and Observational Astronomy Research Group, Leicester Institute for Space and Earth Observation, Department of Physics and Astronomy, University Road, Leicester LE1 7RH, UKS. B. CenkoUniversity of Maryland, College ParkJ. A. KenneaDepartment of Astronomy and Astrophysics, The Pennsylvania State University, University Park, PA 16802, USAS. W. K. EmeryUniversity College London, Mullard Space Science Laboratory, Holmbury St. Mary, Dorking RH5 6NT, UKN. P. M. KuinUniversity College London, Mullard Space Science Laboratory, Holmbury St. Mary, Dorking RH5 6NT, UKOleg KorobkinCenter for Theoretical Astrophysics, Los Alamos National Laboratory, Los Alamos, NM 87545 USARyan WollaegerCenter for Theoretical Astrophysics, Los Alamos National Laboratory, Los Alamos, NM 87545 USAChris L. FryerCenter for Theoretical Astrophysics, Los Alamos National Laboratory, Los Alamos, NM 87545 USAKristin K. MadsenCahill Center for Astronomy and Astrophysics, California Institute of Technology, 1200 East California Boulevard, Pasadena, CA 91125, USAFiona HarrisonCahill Center for Astronomy and Astrophysics, California Institute of Technology, 1200 East California Boulevard, Pasadena, CA 91125, USAY. XuCahill Center for Astronomy and Astrophysics, California Institute of Technology, 1200 East California Boulevard, Pasadena, CA 91125, USAE. NakarThe Raymond and Beverly Sackler School of Physics and Astronomy, Tel Aviv University, Tel Aviv 69978, IsraelK. HotokezakaCenter for Computational Astrophysics, Simons Foundation, 162 5th Avenue, New York, NY 10010, USAA. Y. LienDepartment of Physics, University of Maryland, Baltimore County, 1000 Hilltop Circle, Baltimore, MD 21250, USAS. CampanaIstituto Nazionale di Astrofisica (INAF)–Osservatorio Astronomico di Brera, Via Bianchi 46, I-23807 Merate, ItalyS. R. OatesDepartment of Physics, University of Warwick, Coventry CV4 7AL, UKE. TrojaUniversity of Maryland, College ParkA. A. BreeveldUniversity College London, Mullard Space Science Laboratory, Holmbury St. Mary, Dorking RH5 6NT, UKF. E. MarshallDeleted InstitutionS. D. BarthelmyDeleted InstitutionA. P. BeardmoreNational Centre for Earth ObservationD. N. BurrowsDepartment of Astronomy and Astrophysics, The Pennsylvania State University, University Park, PA 16802, USAG. CusumanoINAF–Istituto di Astrofisica Spaziale e Fisica Cosmica Palermo, via Ugo La Malfa 153, I-90146, Palermo, ItalyA. D’AìINAF–Istituto di Astrofisica Spaziale e Fisica Cosmica Palermo, via Ugo La Malfa 153, I-90146, Palermo, ItalyP. D’AvanzoIstituto Nazionale di Astrofisica (INAF)–Osservatorio Astronomico di Brera, Via Bianchi 46, I-23807 Merate, ItalyV. D’EliaSpace Science Data Center–Agenzia Spaziale Italiana (ASI), I-00133 Roma, ItalyM. de PasqualeDepartment of Astronomy and Space Sciences, University of Istanbul, Beyzt 34119, Istanbul, TurkeyWesley EvenCenter for Theoretical Astrophysics, Los Alamos National Laboratory, Los Alamos, NM 87545 USAChristopher J. FontesCenter for Theoretical Astrophysics, Los Alamos National Laboratory, Los Alamos, NM 87545 USAKarl FörsterCahill Center for Astronomy and Astrophysics, California Institute of Technology, 1200 East California Boulevard, Pasadena, CA 91125, USAJavier A. GarcíaCahill Center for Astronomy and Astrophysics, California Institute of Technology, 1200 East California Boulevard, Pasadena, CA 91125, USAP. GiommiSpace Science Data Center–Agenzia Spaziale Italiana (ASI), I-00133 Roma, ItalyB. GrefenstetteCahill Center for Astronomy and Astrophysics, California Institute of Technology, 1200 East California Boulevard, Pasadena, CA 91125, USAC. GronwallDepartment of Astronomy and Astrophysics, The Pennsylvania State University, University Park, PA 16802, USAD. H. HartmannKinard Lab of Physics, Department of Physics and Astronomy, Clemson University, Clemson, SC 29634-0978, USAM. HeidaCahill Center for Astronomy and Astrophysics, California Institute of Technology, 1200 East California Boulevard, Pasadena, CA 91125, USAAimee HungerfordCenter for Theoretical Astrophysics, Los Alamos National Laboratory, Los Alamos, NM 87545 USAM. M. KasliwalDivision of Physics, Mathematics and Astronomy, California Institute of Technology, Pasadena, CA 91125, USAH. A. KrimmUniversities Space Research Association, 7178 Columbia Gateway Drive, Columbia, MD 21046, USAA. J. LevanDepartment of Physics, University of Warwick, Coventry CV4 7AL, UKD. MalesaniDark Cosmology Centre, Niels Bohr Institute, University of Copenhagen, Juliane Maries Vej 30, DK-2100 Copenhagen Ø, DenmarkA. MelandriIstituto Nazionale di Astrofisica (INAF)–Osservatorio Astronomico di Brera, Via Bianchi 46, I-23807 Merate, ItalyH. MiyasakaCahill Center for Astronomy and Astrophysics, California Institute of Technology, 1200 East California Boulevard, Pasadena, CA 91125, USAJ. A. NousekDepartment of Astronomy and Astrophysics, The Pennsylvania State University, University Park, PA 16802, USAP. T. O’BrienNational Centre for Earth ObservationJ. P. OsborneNational Centre for Earth ObservationC. PaganiNational Centre for Earth ObservationK. L. PageUniversity of Leicester, X-ray and Observational Astronomy Research Group, Leicester Institute for Space and Earth Observation, Department of Physics and Astronomy, University Road, Leicester LE1 7RH, UKD. M. PalmerLos Alamos National Laboratory, B244, Los Alamos, NM 87545, USAM. PerriSpace Science Data Center–Agenzia Spaziale Italiana (ASI), I-00133 Roma, ItalyS. PikeCahill Center for Astronomy and Astrophysics, California Institute of Technology, 1200 East California Boulevard, Pasadena, CA 91125, USAJ. L. RacusinAstrophysics Science Division, NASA Goddard Space Flight Center, Greenbelt, MD 20771, USAStephan RosswogThe Oskar Klein Centre, Department of Astronomy, AlbaNova, Stockholm University, SE-106 91 Stockholm, SwedenM. H. SiegelDepartment of Astronomy and Astrophysics, The Pennsylvania State University, University Park, PA 16802, USAT. SakamotoDepartment of Physics and Mathematics, Aoyama Gakuin University, Sagamihara, Kanagawa, 252-5258, JapanB. SbarufattiDepartment of Astronomy and Astrophysics, The Pennsylvania State University, University Park, PA 16802, USAG. TagliaferriIstituto Nazionale di Astrofisica (INAF)–Osservatorio Astronomico di Brera, Via Bianchi 46, I-23807 Merate, ItalyN. R. TanvirNational Centre for Earth ObservationA. TohuvavohuDepartment of Astronomy and Astrophysics, The Pennsylvania State University, University Park, PA 16802, USA
2017en
ABI
Annotatsiya
GROWTH observations of GW170817 The gravitational wave event GW170817 was caused by the merger of two neutron stars (see the Introduction by Smith). In three papers, teams associated with the GROWTH (Global Relay of Observatories Watching Transients Happen) project present their observations of the event at wavelengths from x-rays to radio waves. Evans et al. used space telescopes to detect GW170817 in the ultraviolet and place limits on its x-ray flux, showing that the merger generated a hot explosion known as a blue kilonova. Hallinan et al. describe radio emissions generated as the explosion slammed into the surrounding gas within the host galaxy. Kasliwal et al. present additional observations in the optical and infrared and formulate a model for the event involving a cocoon of material expanding at close to the speed of light, matching the data at all observed wavelengths. Science , this issue p. 1565 , p. 1579 , p. 1559 ; see also p. 1554
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