D. E. Harris et al. 2002 ApJ 580 110 doi:10.1086/343112
X-Ray Detection of the Inner Jet in the Radio Galaxy M84
FREED. E. Harris1, A. Finoguenov2, A. H. Bridle3, M. J. Hardcastle4 and R. A. Laing5
Show affiliationsDuring the course of an investigation of the interaction of the radio galaxy M84 and its ambient cluster gas, we found excess X-ray emission aligned with the northern radio jet. The emission extends from the X-ray core of the host galaxy as a weak bridge and then brightens to a local peak coincident with the first detectable radio knot at ≈2
5 from the core. The second radio knot at 33 is brighter in both radio and X-ray. The X-ray jet terminates 39 from the core. Although all the evidence suggests that Doppler favoritism augments the emission of the northern jet, it is unlikely that the excess X-ray emission is produced by inverse Compton emission. We find many similarities between the M84 X-ray jet and recent jet detections from Chandra data of low-luminosity radio galaxies. For most of these current detections, synchrotron emission is the favored explanation for the observed X-rays.
- Subject headings
galaxies: active; galaxies: individual (M84); galaxies: jets; radiation mechanisms: non-thermal; radio continuum: galaxies; X-rays: galaxies
- Dates
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Issue 1 (2002 November 20)
Received 2002 April 19, accepted for publication 2002 July 24
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X-Ray Detection of the Inner Jet in the Radio Galaxy M84
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