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Search: WFRF:(Nissanke S.) > (2020) > Keane E. F. > LOFAR 144-MHz follo...

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LOFAR 144-MHz follow-up observations of GW170817

Broderick, J. W. (author)
Curtin University,Netherlands Institute for Radio Astronomy (ASTRON)
Shimwell, T. W. (author)
Netherlands Institute for Radio Astronomy (ASTRON),Universiteit Leiden (UL),Leiden University (UL)
Gourdji, K. (author)
Universiteit Van Amsterdam,University of Amsterdam
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Rowlinson, A. (author)
Netherlands Institute for Radio Astronomy (ASTRON),Universiteit Van Amsterdam,University of Amsterdam
Nissanke, S. (author)
National Institute for Subatomic Physics (NIKHEF),Universiteit Van Amsterdam,University of Amsterdam
Hotokezaka, K. (author)
University of Tokyo, Japan,Princeton University
Jonker, P. G. (author)
Radboud Universiteit,Radboud University,Netherlands Institute for Space Research (SRON)
Tasse, C. (author)
PSL University Paris,Rhodes University
Hardcastle, M. J. (author)
University of Hertfordshire
Oonk, J. B. R. (author)
University of Hertfordshire,Surfsara Bv
Fender, R. P. (author)
University Of Oxford
Wijers, R. A. M. J. (author)
Universiteit Van Amsterdam,University of Amsterdam
Shulevski, A. (author)
Universiteit Van Amsterdam,University of Amsterdam
Stewart, A. J. (author)
The University of Sydney
ter Veen, S. (author)
Netherlands Institute for Radio Astronomy (ASTRON)
Moss, V. A. (author)
Commonwealth Scientific and Industrial Research Organisation (CSIRO),The University of Sydney,Netherlands Institute for Radio Astronomy (ASTRON)
van der Wiel, M. H. D. (author)
Netherlands Institute for Radio Astronomy (ASTRON)
Nichols, D. A. (author)
University of Virginia,Universiteit Van Amsterdam,University of Amsterdam
Piette, A. (author)
University Of Cambridge
Bell, M. E. (author)
University of Technology Sydney
Carbone, D. (author)
University of The Virgin Islands
Corbel, S. (author)
Paris Diderot University, France,Universite d'Orleans,University of Orléans
Eisloeffel, J. (author)
Thüringer Landessternwarte Tautenburg
Griessmeier, J-M (author)
Universite d'Orleans,University of Orléans
Keane, E. F. (author)
Law, C. J. (author)
California Institute of Technology (Caltech)
Munoz-Darias, T. (author)
Universidad de la Laguna,University of La Laguna,Instituto de Astrofísica de Canarias
Pietka, M. (author)
University Of Oxford
Serylak, M. (author)
University of the Western Cape
van der Horst, A. J. (author)
George Washington University
van Leeuwen, J. (author)
Netherlands Institute for Radio Astronomy (ASTRON),Universiteit Van Amsterdam,University of Amsterdam
Wijnands, R. (author)
Universiteit Van Amsterdam,University of Amsterdam
Zarka, P. (author)
Observatoire de Paris,Paris Observatory,LESIA - Laboratoire d'Etudes Spatiales et d'Instrumentation en Astrophysique
Anderson, J. M. (author)
Technische Universität Berlin,Deutsches GeoForschungsZentrum (GFZ),German Research Centre for Geosciences (GFZ)
Bentum, M. J. (author)
Netherlands Institute for Radio Astronomy (ASTRON),Technische Universiteit Eindhoven,Eindhoven University of Technology
Blaauw, R. (author)
Netherlands Institute for Radio Astronomy (ASTRON)
Brouw, W. N. (author)
Rijksuniversiteit Groningen,University of Groningen
Brueggen, M. (author)
Universität Hamburg,University of Hamburg
Ciardi, B. (author)
Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
de Vos, M. (author)
Netherlands Institute for Radio Astronomy (ASTRON)
Duscha, S. (author)
Netherlands Institute for Radio Astronomy (ASTRON)
Fallows, R. A. (author)
Netherlands Institute for Radio Astronomy (ASTRON)
Franzen, T. M. O. (author)
Netherlands Institute for Radio Astronomy (ASTRON)
Garrett, M. A. (author)
University of Manchester,Universiteit Leiden (UL),Leiden University (UL)
Gunst, A. W. (author)
Netherlands Institute for Radio Astronomy (ASTRON)
Hoeft, M. (author)
Thüringer Landessternwarte Tautenburg
Hoerandel, J. R. (author)
Vrije Universiteit Brüssel (VUB),Vrije Universiteit Brussel (VUB),Radboud Universiteit,Radboud University,National Institute for Subatomic Physics (NIKHEF)
Iacobelli, M. (author)
Netherlands Institute for Radio Astronomy (ASTRON)
Juette, E. (author)
Ruhr-Universität Bochum
Koopmans, L. V. E. (author)
Rijksuniversiteit Groningen,University of Groningen
Krankowski, A. (author)
University of Warmia and Mazury in Olsztyn
Maat, P. (author)
Netherlands Institute for Radio Astronomy (ASTRON)
Mann, G. (author)
Leibniz-Institut Für Astrophysik Potsdam,Leibniz Institute for Astrophysics Potsdam
Mulder, H. (author)
Netherlands Institute for Radio Astronomy (ASTRON)
Nelles, A. (author)
Deutsches Elektronen-Synchrotron (DESY),Friedrich-Alexander-Universität Erlangen Nurnberg (FAU)
Paas, H. (author)
Rijksuniversiteit Groningen,University of Groningen
Pandey-Pommier, M. (author)
Universite d'Orleans,University of Orléans,Université de Lyon
Pekal, R. (author)
Reich, W. (author)
Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
Roettgering, H. J. A. (author)
Universiteit Leiden (UL),Leiden University (UL)
Schwarz, D. J. (author)
Universität Bielefeld,Bielefeld University
Smirnov, O. (author)
Rhodes University
Soida, M. (author)
Jagiellonian University in Kraków, Poland
Toribio Perez, Maria Carmen, 1981 (author)
Chalmers tekniska högskola,Chalmers University of Technology
van Haarlem, M. P. (author)
Netherlands Institute for Radio Astronomy (ASTRON)
van Weeren, R. J. (author)
Universiteit Leiden (UL),Leiden University (UL)
Vocks, C. (author)
Leibniz-Institut Für Astrophysik Potsdam,Leibniz Institute for Astrophysics Potsdam
Wucknitz, O. (author)
Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
Zucca, P. (author)
Netherlands Institute for Radio Astronomy (ASTRON)
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 (creator_code:org_t)
2020-04-14
2020
English.
In: Monthly Notices of the Royal Astronomical Society. - : Oxford University Press (OUP). - 0035-8711 .- 1365-2966. ; 494:4, s. 5110-5117
Related links:
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https://doi.org/10.1...
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • We present low-radio-frequency follow-up observations of AT 2017gfo, the electromagnetic counterpart of GW170817, which was the first binary neutron star merger to be detected by Advanced LIGO-Virgo. These data, with a central frequency of 144 MHz, were obtained with LOFAR, the Low-Frequency Array. The maximum elevation of the target is just 13 degrees.7 when observed with LOFAR, making our observations particularly challenging to calibrate and significantly limiting the achievable sensitivity. On time-scales of 130-138 and 371-374 d after the merger event, we obtain 3s upper limits for the afterglow component of 6.6 and 19.5mJy beam(-1), respectively. Using our best upper limit and previously published, contemporaneous higher frequency radio data, we place a limit on any potential steepening of the radio spectrum between 610 and 144 MHz: the two-point spectral index alpha(610)(144) greater than or similar to -2.5. We also show that LOFAR can detect the afterglows of future binary neutron star merger events occurring at more favourable elevations.

Subject headings

NATURVETENSKAP  -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)

Keyword

gravitational waves
radio continuum: stars
stars: neutron

Publication and Content Type

art (subject category)
ref (subject category)

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