Research Article

Early spectra of the gravitational wave source GW170817: Evolution of a neutron star merger

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Science  16 Oct 2017:
DOI: 10.1126/science.aaq0186

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  • Received for publication September 22, 2017
  • Accepted for publication October 11, 2017

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  1. B. J. Shappee1,2,*,
  2. J. D. Simon1,
  3. M. R. Drout1,
  4. A. L. Piro1,
  5. N. Morrell3,
  6. J. L. Prieto4,5,
  7. D. Kasen6,7,
  8. T. W.-S. Holoien1,
  9. J. A. Kollmeier1,
  10. D. D. Kelson1,
  11. D. A. Coulter8,
  12. R. J. Foley8,
  13. C. D. Kilpatrick8,
  14. M. R. Siebert8,
  15. B. F. Madore1,
  16. A. Murguia-Berthier8,
  17. Y.-C. Pan8,
  18. J. X. Prochaska8,
  19. E. Ramirez-Ruiz8,9,
  20. A. Rest10,11,
  21. C. Adams12,
  22. K. Alatalo1,10,
  23. E. Bañados1,
  24. J. Baughman4,13,
  25. R. A. Bernstein1,
  26. T. Bitsakis14,
  27. K. Boutsia3,
  28. J. R. Bravo3,
  29. F. Di Mille3,
  30. C. R. Higgs15,16,
  31. A. P. Ji1,11,
  32. G. Maravelias17,
  33. J. L. Marshall18,
  34. V. M. Placco19,
  35. G. Prieto3,
  36. Z. Wan20
  1. 1The Observatories of the Carnegie Institution for Science, 813 Santa Barbara Street, Pasadena, CA 91101, USA.
  2. 2Institute for Astronomy, University of Hawai’i, 2680 Woodlawn Drive, Honolulu, HI 96822, USA.
  3. 3Las Campanas Observatory, Carnegie Observatories, Casilla 601, La Serena, Chile.
  4. 4Núcleo de Astronomía de la Facultad de Ingeniería y Ciencias, Universidad Diego Portales, Avenida Ejército 441, Santiago, Chile.
  5. 5Millennium Institute of Astrophysics, Santiago, Chile.
  6. 6Departments of Physics and Astronomy, 366 LeConte Hall, University of California­­–Berkeley, Berkeley, CA 94720, USA.
  7. 7Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.
  8. 8Department of Astronomy and Astrophysics, University of California–Santa Cruz, Santa Cruz, CA 95064, USA.
  9. 9Dark Cosmology Center, Niels Bohr Institute, University of Copenhagen, Blegdamsvej 17, 2100 Copenhagen, Denmark.
  10. 10Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, USA.
  11. 11Department of Physics and Astronomy, The Johns Hopkins University, 3400 North Charles Street, Baltimore, MD 21218, USA.
  12. 12Division of Physics, Mathematics, and Astronomy, California Institute of Technology, Pasadena, CA 91125, USA.
  13. 13Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
  14. 14Instituto de Radioastronomía y Astrofísica, Universidad Nacional Autónoma de México, C.P. 58190, Morelia, Mexico.
  15. 15University of Victoria, Victoria, BC, Canada.
  16. 16National Research Council (NRC) Herzberg Institute of Astrophysics, 5071 West Saanich Road, Victoria, BC V9E 2E7, Canada.
  17. 17Instituto de Física y Astronomía, Universidad de Valparaíso, Valparaíso, Chile.
  18. 18George P. and Cynthia Woods Mitchell Institute for Fundamental Physics and Astronomy and Department of Physics and Astronomy, Texas A&M University, College Station, TX 77843, USA.
  19. 19Department of Physics and Joint Institute for Nuclear Astrophysics (JINA) Center for the Evolution of the Elements, University of Notre Dame, Notre Dame, IN 46556, USA.
  20. 20Sydney Institute for Astronomy, School of Physics, A28, University of Sydney, NSW 2006, Australia.
  1. *Corresponding author. Email: shappee{at}


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