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A radio jet from the optical and x-ray bright stellar tidal disruption flare ASASSN-14li.
van Velzen, S; Anderson, G E; Stone, N C; Fraser, M; Wevers, T; Metzger, B D; Jonker, P G; van der Horst, A J; Staley, T D; Mendez, A J; Miller-Jones, J C A; Hodgkin, S T; Campbell, H C; Fender, R P.
Afiliação
  • van Velzen S; Department of Physics and Astronomy, The Johns Hopkins University, Baltimore, MD 21218, USA. sjoert@jhu.edu.
  • Anderson GE; Department of Physics, University of Oxford, Denys Wilkinson Building, Keble Road, Oxford OX1 3RH, UK. International Centre for Radio Astronomy Research, Curtin University, GPO Box U1987, Perth WA 6845, Australia.
  • Stone NC; Columbia Astrophysics Laboratory, Columbia University, New York, NY 10027, USA.
  • Fraser M; Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge CB3 0HA, UK.
  • Wevers T; Department of Astrophysics, Radboud University Nijmegen, Heyendaalseweg 135, 6525 AJ Nijmegen, Netherlands.
  • Metzger BD; Columbia Astrophysics Laboratory, Columbia University, New York, NY 10027, USA.
  • Jonker PG; Department of Astrophysics, Radboud University Nijmegen, Heyendaalseweg 135, 6525 AJ Nijmegen, Netherlands. SRON, Netherlands Institute for Space Research, Sorbonnelaan 2, 3584 CA Utrecht, Netherlands.
  • van der Horst AJ; Department of Physics, The George Washington University, 725 21st Street NW, Washington, DC 20052, USA.
  • Staley TD; Department of Physics, University of Oxford, Denys Wilkinson Building, Keble Road, Oxford OX1 3RH, UK.
  • Mendez AJ; Department of Physics and Astronomy, The Johns Hopkins University, Baltimore, MD 21218, USA.
  • Miller-Jones JC; International Centre for Radio Astronomy Research, Curtin University, GPO Box U1987, Perth WA 6845, Australia.
  • Hodgkin ST; Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge CB3 0HA, UK.
  • Campbell HC; Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge CB3 0HA, UK.
  • Fender RP; Department of Physics, University of Oxford, Denys Wilkinson Building, Keble Road, Oxford OX1 3RH, UK.
Science ; 351(6268): 62-5, 2016 Jan 01.
Article em En | MEDLINE | ID: mdl-26612833
ABSTRACT
The tidal disruption of a star by a supermassive black hole leads to a short-lived thermal flare. Despite extensive searches, radio follow-up observations of known thermal stellar tidal disruption flares (TDFs) have not yet produced a conclusive detection. We present a detection of variable radio emission from a thermal TDF, which we interpret as originating from a newly launched jet. The multiwavelength properties of the source present a natural analogy with accretion-state changes of stellar mass black holes, which suggests that all TDFs could be accompanied by a jet. In the rest frame of the TDF, our radio observations are an order of magnitude more sensitive than nearly all previous upper limits, explaining how these jets, if common, could thus far have escaped detection.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Ano de publicação: 2016 Tipo de documento: Article
Texto completo
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XML
PubMed Links
Buscar no Google

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Ano de publicação: 2016 Tipo de documento: Article