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Title:
Swift follow-up of the gravitational wave source GW150914
Authors:
Evans, P. A.; Kennea, J. A.; Barthelmy, S. D.; Beardmore, A. P.; Burrows, D. N.; Campana, S.; Cenko, S. B.; Gehrels, N.; Giommi, P.; Gronwall, C.; Marshall, F. E.; Malesani, D.; Markwardt, C. B.; Mingo, B.; Nousek, J. A.; O'Brien, P. T.; Osborne, J. P.; Pagani, C.; Page, K. L.; Palmer, D. M.; Perri, M.; Racusin, J. L.; Siegel, M. H.; Sbarufatti, B.; Tagliaferri, G.
Affiliation:
AA(Department of Physics and Astronomy, University of Leicester, Leicester LE1 7RH, UK ), AB(Department of Astronomy and Astrophysics, Pennsylvania State University, 525 Davey Lab, University Park, PA 16802, USA), AC(NASA Goddard Space Flight Center, Mail Code 661, Greenbelt, MD 20771, USA), AD(Department of Physics and Astronomy, University of Leicester, Leicester LE1 7RH, UK), AE(Department of Astronomy and Astrophysics, Pennsylvania State University, 525 Davey Lab, University Park, PA 16802, USA), AF(INAF, Osservatorio Astronomico di Brera, via E. Bianchi 46, I-23807 Merate, Italy), AG(NASA Goddard Space Flight Center, Mail Code 661, Greenbelt, MD 20771, USA; Joint Space-Science Institude, University of Maryland, College Park, MD 20742, USA), AH(NASA Goddard Space Flight Center, Mail Code 661, Greenbelt, MD 20771, USA), AI(Agenzia Spaziale Italiana (ASI) Science Data Center, I-00133 Roma, Italy), AJ(Department of Astronomy and Astrophysics, Pennsylvania State University, 525 Davey Lab, University Park, PA 16802, USA; Institute of Gravitation and the Cosmos, Institute for Gravitation and the Cosmos, Pennsylvania State University, University Park, PA 16802, USA), AK(NASA Goddard Space Flight Center, Mail Code 661, Greenbelt, MD 20771, USA), AL(Dark Cosmology Centre, Niels Bohr Institute, University of Copenhagen, Juliane Maries Vej 30, DK-2100 København Ø, Denmark), AM(NASA Goddard Space Flight Center, Mail Code 661, Greenbelt, MD 20771, USA; Department of Astronomy, University of Maryland, College Park, MD 20742, USA), AN(Department of Physics and Astronomy, University of Leicester, Leicester LE1 7RH, UK), AO(Department of Astronomy and Astrophysics, Pennsylvania State University, 525 Davey Lab, University Park, PA 16802, USA), AP(Department of Physics and Astronomy, University of Leicester, Leicester LE1 7RH, UK), AQ(Department of Physics and Astronomy, University of Leicester, Leicester LE1 7RH, UK), AR(Department of Physics and Astronomy, University of Leicester, Leicester LE1 7RH, UK), AS(Department of Physics and Astronomy, University of Leicester, Leicester LE1 7RH, UK), AT(Los Alamos National Laboratory, B244, Los Alamos, NM 87545, USA), AU(Agenzia Spaziale Italiana (ASI) Science Data Center, I-00133 Roma, Italy; INAF-Osservatorio Astronomico di Roma, via Frascati 33, I-00040 Monteporzio Catone, Italy), AV(NASA Goddard Space Flight Center, Mail Code 661, Greenbelt, MD 20771, USA), AW(Department of Astronomy and Astrophysics, Pennsylvania State University, 525 Davey Lab, University Park, PA 16802, USA), AX(Department of Astronomy and Astrophysics, Pennsylvania State University, 525 Davey Lab, University Park, PA 16802, USA; INAF, Osservatorio Astronomico di Brera, via E. Bianchi 46, I-23807 Merate, Italy), AY(INAF, Osservatorio Astronomico di Brera, via E. Bianchi 46, I-23807 Merate, Italy)
Publication:
Monthly Notices of the Royal Astronomical Society: Letters, Volume 460, Issue 1, p.L40-L44 (MNRAS Homepage)
Publication Date:
07/2016
Origin:
OUP
Astronomy Keywords:
gravitational waves, methods: data analysis, X-rays: general
Abstract Copyright:
2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society
DOI:
10.1093/mnrasl/slw065
Bibliographic Code:
2016MNRAS.460L..40E

Abstract

The Advanced Laser Interferometer Gravitational-Wave Observatory (ALIGO) observatory recently reported the first direct detection of gravitational waves (GW) which triggered ALIGO on 2015 September 14. We report on observations taken with the Swift satellite two days after the trigger. No new X-ray, optical, UV or hard X-ray sources were detected in our observations, which were focused on nearby galaxies in the GW error region and covered 4.7 deg2 (˜2 per cent of the probability in the rapidly available GW error region; 0.3 per cent of the probability from the final GW error region, which was produced several months after the trigger). We describe the rapid Swift response and automated analysis of the X-ray telescope and UV/Optical telescope data, and note the importance to electromagnetic follow-up of early notification of the progenitor details inferred from GW analysis.
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