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The radio source B 1834+620: A double-double radio galaxy with interesting properties
Arno P. Schoenmakers, A. G. de Bruyn, H. J. A. Rottgering +1
We present a study of the peculiar radio galaxy B 1834+620. It is characterised by the presence of a 420-kpc large edge-brightened radio source which is situated within, and well a…
Giant and `double-double' radio galaxies: Implications for the evolution of powerful radio sources and the IGM
A. P. Schoenmakers, A. G. de Bruyn, H. J. A. Röttgering +3
Giant radio sources form the linear size extreme of the extra-galactic radio source population. Using the WENSS survey, we have selected a complete sample of these sources. We have…
Ultra-Steep Spectrum Radio Galaxies at Hy Redshifts
Wil van Breugel, Carlos De Breuck, Adam Stanford +5
Radio sources have traditionally provided convenient beacons for probing the early Universe. Hy Spinrad was among the first of the tenacious breed of observers who would attempt to…
New Clues on the Nature of Extremely Red Galaxies
A. Cimatti, E. Daddi, S. di Serego Alighieri +7
We present near-infrared VLT-UT1+ISAAC spectroscopy of a sample of 9 extremely red galaxies (ERGs) with R-K>5 and K<19.0. Neither strong emission lines (F_lim<1-5 10^{-16} erg s^{-…