Two Years of Nonthermal Emission from the Binary Neutron Star Merger GW170817: Rapid Fading of the Jet Afterglow and First Constraints on the Kilonova Fastest Ejecta

A. Hajela, R. Margutti, K.~D. Alexander, A. Kathirgamaraju, A. Baldeschi, C. Guidorzi, D. Giannios, W. Fong, Y. Wu, A. MacFadyen, A. Paggi, E. Berger, P.~K. Blanchard, R. Chornock, D.~L. Coppejans, P.~S. Cowperthwaite, T. Eftekhari, S. Gomez, G. Hosseinzadeh, T. LaskarB.~D. Metzger, M. Nicholl, K. Paterson, D. Radice, L. Sironi, G. Terreran, V.~A. Villar, P.~K.~G. Williams, X. Xie, J. Zrake

Research output: Contribution to journalArticlepeer-review

48 Citations (Scopus)
Original languageEnglish
Pages (from-to)L17
JournalThe Astrophysical Journal Letters
Issue number1
Publication statusPublished - 1 Nov 2019


  • Gamma-ray bursts
  • Neutron stars
  • X-ray transient sources
  • Diffuse x-ray background
  • Radio transient sources
  • Astrophysics - High Energy Astrophysical Phenomena

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