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The structure of the jet in 3C 15 from multi-band polarimetry
F. Dulwich, D. M. Worrall, M. Birkinshaw +2
We investigate the structure of the kpc-scale jet in the nearby (z = 0.073) radio galaxy 3C 15, using new optical Hubble Space Telescope (HST) ACS/F606W polarimetry together with a…
Detailed Structure of the X-ray Jet in 4C 19.44 (=PKS1354+195)
D. A. Schwartz, D. E. Harris, H. Landt +9
We investigate the variations of the magnetic field, Doppler factor, and relativistic particle density along the jet of a quasar at z=0.72. We chose 4C 19.44 for this study because…
In-situ acceleration of subrelativistic electrons in the Coma halo and the halo's influence on the Sunyaev-Zeldovich effect
V. A. Dogiel, S. Colafrancesco, C. M. Ko +5
The stochastic acceleration of subrelativistic electrons from a background plasma is studied in order to find a possible explanation of the hard X-ray (HXR) emission detected from…
Discovery of an X-ray Jet and Extended Jet Structure in the Quasar PKS 1055+201
D. A. Schwartz, H. L. Marshall, J. E. J. Lovell +10
This letter reports rich X-ray jet structures found in the Chandra observation of PKS 1055+201. In addition to an X-ray jet coincident with the radio jet we detect a region of exte…
Optical Polarimetry of the Jets of Nearby Radio Galaxies: I. The Data
Eric S. Perlman, C. A. Padgett, Markos Georganopoulos +11
We present an overview of new HST imaging polarimetry of six nearby radio galaxies with optical jets. These observations triple the number of extragalactic jets with subarcsecond-r…
Determining Distances to Clusters of Galaxies using Resonant X-ray Emission Lines
S. M. Molnar, M. Birkinshaw, R. F. Mushotzky
Bright clusters of galaxies can be seen out to cosmological distances, and thus they can be used to derive cosmological parameters. Although the continuum X-ray emission from the i…