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Relativistic Jet from Black Hole

An artist's impression of a relativistic jet propagating away from a black hole at close to the speed of light. Such jets are formed by the inner regions of the accretion flow: matter flowing inwards towards the black hole, via processes which are not yet fully understood. The accretion flow emits primarily in X-rays, the relativistic jet in the radio band: by combing observations in each band we can try and understand how such jets form and how much energy they carry away from the black hole.

Professor Rob Fender

Professor of Astrophysics

Research theme

  • Astronomy and astrophysics

Sub department

  • Astrophysics

Research groups

  • Hintze Centre for Astrophysical Surveys
  • MeerKAT
  • Pulsars, transients and relativistic astrophysics
  • Rubin-LSST
  • The Square Kilometre Array (SKA)
  • Gamma-ray astronomy
Rob.Fender@physics.ox.ac.uk
Telephone: 01865 (2)73435
Denys Wilkinson Building, room 712
  • About
  • Publications

The large-scale jet-powered radio nebula of Circinus X-1

Monthly Notices of the Royal Astronomical Society Oxford University Press (OUP) 372:1 (2006) 417-424

Authors:

V Tudose, RP Fender, CR Kaiser, AK Tzioumis, M Van Der Klis, RE Spencer
More details from the publisher
Details from ArXiV

Global optical/infrared–X-ray correlations in X-ray binaries: quantifying disc and jet contributions

Monthly Notices of the Royal Astronomical Society Oxford University Press (OUP) 371:3 (2006) 1334-1350

Authors:

DM Russell, RP Fender, RI Hynes, C Brocksopp, J Homan, PG Jonker, MM Buxton
More details from the publisher
Details from ArXiV

Eight powers of ten: similarities in black hole accretion on all mass scales

Proceedings of Science SISSA (2006)

Authors:

R Fender, E Koerding, T Belloni, P Uttley, I McHardy, T Tzioumis

Abstract:

In this paper we discuss the recent advances in the quantitative comparison of accretion, and the accretion:jet coupling, in accreting black holes in both X-ray binaries (where M ~ 10Msun) and Active Galactic Nuclei (10^5Msun < M < 10^9Msun). These similarities include the radiative efficiency and jet power as a function of accretion rate, which are themselves probably the origin of the `fundamental plane of black hole activity'. A second `fundamental plane' which connects mass, accretion rate and timing properties provides us with a further physical diagnostic. Patterns of radio loudness (i.e. jet production) as a function of luminosity and accretion state are shown to be similar for X-ray binaries and AGN. Finally we discuss how neutron stars are a useful control sample, and what the future may hold for this field.
More details
Details from ArXiV

Jets From X‐ray Binaries: A Brief Overview and Comparison with Active Galactic Nuclei

AIP Conference Proceedings AIP Publishing 856:1 (2006) 23-32
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Accretion states and radio loudness in Active Galactic Nuclei: analogies with X-ray binaries

(2006)

Authors:

Elmar Koerding, Sebastian Jester, Rob Fender
More details from the publisher

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