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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

An asymmetric arcsecond radio jet from Circinus X-1

(1998)

Authors:

Robert Fender, Ralph Spencer, Tasso Tzioumis, Kinwah Wu, Michiel van der Klis, Jan van Paradijs, Helen Johnston
More details from the publisher

A radio survey of supersoft, persistent and transient X-ray sources in the Magellanic Clouds

Monthly Notices of the Royal Astronomical Society Oxford University Press (OUP) 298:3 (1998) 692-696

Authors:

RP Fender, K Southwell, AK Tzioumis
More details from the publisher

Magnetic field estimation in Cyg X-3's jet

(1998)

Authors:

RN Ogley, SJ Bell Burnell, RP Fender, GG Pooley, EB Waltman, M van der Klis
More details from the publisher

Discovery of extended radio emission in the young cluster Wd1

(1998)

Authors:

JS Clark, RP Fender, LBFM Waters, SM Dougherty, J Koornneef, IA Steele, A van Blokland
More details from the publisher

Infrared photometry and spectroscopy of the supersoft X-ray source RX J0019.8+2156 (= QR And)

Astronomy and Astrophysics 335:1 (1998)

Authors:

H Quaintrell, RP Fender

Abstract:

We present JHK photometry and spectroscopy of RX J0019.8+2156. The spectrum appears to be dominated by the accretion disc to at least 2.4 μm, over any other source of emission. We find Paschen, Brackett and He II lines strongly in emission, but no He I. There are satellite lines approximately 850km s-1 either side of the strongest, unblended hydrogen lines. These satellite lines may be the spectral signature of jets from the accretion disc.

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