Swope Supernova Survey 2017a (SSS17a), the optical counterpart to a gravitational wave source

Author:

Coulter D. A.1ORCID,Foley R. J.1ORCID,Kilpatrick C. D.1ORCID,Drout M. R.2ORCID,Piro A. L.2,Shappee B. J.23ORCID,Siebert M. R.1,Simon J. D.2,Ulloa N.4ORCID,Kasen D.56,Madore B. F.27ORCID,Murguia-Berthier A.1,Pan Y.-C.1ORCID,Prochaska J. X.1ORCID,Ramirez-Ruiz E.18ORCID,Rest A.910,Rojas-Bravo C.1ORCID

Affiliation:

1. Department of Astronomy and Astrophysics, University of California, Santa Cruz, CA 95064, USA.

2. Observatories of the Carnegie Institution for Science, 813 Santa Barbara Street, Pasadena, CA 91101, USA.

3. Institute for Astronomy, University of Hawai’i, 2680 Woodlawn Drive, Honolulu, HI 96822, USA.

4. Departamento de Física y Astronomía, Universidad de La Serena, La Serena, Chile.

5. Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.

6. Departments of Physics and Astronomy, University of California, Berkeley, CA 94720, USA.

7. Department of Astronomy and Astrophysics, The University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA.

8. Dark Cosmology Centre, Niels Bohr Institute, University of Copenhagen, Blegdamsvej 17, 2100 Copenhagen, Denmark.

9. Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, USA.

10. Department of Physics and Astronomy, Johns Hopkins University, 3400 North Charles Street, Baltimore, MD 21218, USA.

Abstract

Photons from a gravitational wave event Two neutron stars merging together generate a gravitational wave signal and have also been predicted to emit electromagnetic radiation. When the gravitational wave event GW170817 was detected, astronomers rushed to search for the source using conventional telescopes (see the Introduction by Smith). Coulter et al. describe how the One-Meter Two-Hemispheres (1M2H) collaboration was the first to locate the electromagnetic source. Drout et al. present the 1M2H measurements of its optical and infrared brightness, and Shappee et al. report their spectroscopy of the event, which is unlike previously detected astronomical transient sources. Kilpatrick et al. show how these observations can be explained by an explosion known as a kilonova, which produces large quantities of heavy elements in nuclear reactions. Science , this issue p. 1556 , p. 1570 , p. 1574 , p. 1583 ; see also p. 1554

Funder

David and Lucile Packard Foundation

National Aeronautics and Space Administration

NSF Office of the Director

Alfred P. Sloan Foundation

Gordon and Betty Moore Foundation

University of California, Santa Cruz

Heising-Simons Foundation

UCMEXUS-CONACYT

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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