Swift and NuSTAR observations of GW170817: Detection of a blue kilonova

Evans, P. A.; Cenko, S. B.; Kennea, J. A.; Emery, S. W. K.; Kuin, N. P. M.; Korobkin, O.; Wollaeger, R. T.; Fryer, C. L.; Madsen, K. K.; Harrison, F. A.; Xu, Y.; Nakar, E.; Hotokezaka, K.; Lien, A.; Campana, S.; Oates, S. R.; Troja, E.; Breeveld, A. A.; Marshall, F. E.; Barthelmy, S. D.; Beardmore, A. P.; Burrows, D. N.; Cusumano, G.; D’Aì, A.; D’Avanzo, P.; D’Elia, V.; Pasquale, M. de; Even, W. P.; Fontes, C. J.; Forster, K.; Garcia, J.; Giommi, P.; Grefenstette, B.; Gronwall, C.; Hartmann, D. H.; Heida, M.; Hungerford, A. L.; Kasliwal, M. M.; Krimm, H. A.; Levan, A. J.; Malesani, D.; Melandri, A.; Miyasaka, H.; Nousek, J. A.; O’Brien, P. T.; Osborne, J. P.; Pagani, C.; Page, K. L.; Palmer, D. M.; Perri, M.; Pike, S.; Racusin, J. L.; Rosswog, S.; Siegel, M. H.; Sakamoto, T.; Sbarufatti, B.; Tagliaferri, G.; Tanvir, N. R.; Tohuvavohu, A.

doi:10.1126/science.aap9580

articleScienceOct 16, 2017GREEN OA

Swift and NuSTAR observations of GW170817: Detection of a blue kilonova

PAP. A. EvansSBS. B. CenkoJAJ. A. KenneaSWS. W. K. EmeryNPN. P. M. Kuin

University of Leicester · National Centre for Earth Observation · +26 more institutions

PubMed

Indexed inarxivcrossrefpubmed

Abstract

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…

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Authors

59

PA
P. A. EvansCorresponding
University of Leicester, National Centre for Earth Observation
SB
S. B. Cenko
Goddard Space Flight Center, Joint Space Science Institute, Deleted Institution, University of Maryland, College Park
JA
J. A. Kennea
Pennsylvania State University
SW
S. W. K. Emery
University College London
NP
N. P. M. Kuin
University College London

Topics & keywords

Topics

Keywords

Kilonova
Orbital plane
Ejecta
Telescope
Gravitational wave
Neutron star
Ultraviolet
Collimated light

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