DISCOVERY OF A KILOPARSEC-SCALE X-RAY/RADIO JET IN THE z = 4.72 QUASAR GB 1428+4217

We report the discovery of a one-sided 3".6 (24 kpc, projected) long jet in the high-redshift, z = 4.72, quasar GB 1428+4217 in new Chandra X-ray and Very Large Array (VLA) radio observations. This is the highest redshift kiloparsec-scale X-ray/radio jet known. Analysis of archival very long ba...

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Veröffentlicht in:	Astrophysical journal. Letters 2012-09, Vol.756 (1), p.1-5
Hauptverfasser:	Cheung, C C, Stawarz, L, SIEMIGINOWSKA, A, GOBEILLE, D, Wardle, J F C, Harris, D E, Schwartz, D A
Format:	Artikel
Sprache:	eng
Schlagworte:	Arrays ASTROPHYSICS, COSMOLOGY AND ASTRONOMY COMPTON EFFECT Cosmic microwave background EMISSION ENERGY SPECTRA GHZ RANGE INTERFEROMETRY Inverse JETS Lorentz factor MAGNETIC FIELDS Origins PHOTONS QUASARS Radio RED SHIFT RELATIVISTIC RANGE RELICT RADIATION TELESCOPES X RADIATION X-RAY GALAXIES X-rays
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