منابع مشابه
PKS 0241 + 011 : the largest quasar ?
We have made a radio and optical study of the radio source PKS 0241+011 associated with a quasar at z = 1.40. In earlier radio maps this source appears as a large triple radio source with an angular extent of 400 arcsec (2.4h −1 Mpc; H 0 = 100h km s −1 Mpc −1 , q 0 = 0.0). If the triple radio structure seen in radio maps represents a single object, PKS 0241+011 would be the largest radio quasar...
متن کاملLoud Quasar Lobe Dominated Radio Loud Quasar Radio Galaxy Broad
In this second paper, in a series of two, we determine the properties of the stellar torus that we showed in the first paper to result as a product of two merging black holes. If the surrounding stellar cluster is as massive as the binary black hole, the torque acting on the stars ejects a fraction which extracts the binary’s angular momentum. After the black holes coalesced on scales of ∼ 10 y...
متن کاملOn - axis spectroscopy of the z = 0 . 144 radio - loud quasar HE 1434 − 1600 : an elliptical
VLT on-axis optical spectroscopy of the z = 0.144 radio-loud quasar HE 1434−1600 is presented. The spatially resolved spectra of the host galaxy are deconvolved and separated from those of the central quasar in order to study the dynamics of the stars and gas as well as the physical conditions of the ISM. We find that the host of HE 1434−1600 is an elliptical galaxy that resides in a group of a...
متن کاملThe Quintuple Quasar: Radio and Optical Observations
We present results from high-resolution radio and optical observations of PMN J0134–0931, a gravitational lens with a unique radio morphology and an extremely red optical counterpart. Our data support the theory of Keeton & Winn (2003): five of the six observed radio components are multiple images of a single quasar, produced by a pair of lens galaxies. Multi-frequency VLBA maps show that the s...
متن کاملThe EMSS Radio Loud Quasar Sample
We construct the first X-ray selected sample of radio-loud quasars from the EMSS survey. The X–ray selection allows us to explore the properties of radio–loud quasars 10–100 weaker than classical samples in the radio band. There are no radio–loud quasars whose synchrotron peak reaches the UV–soft X–ray band at these (radio) flux levels (as occurs for BL Lac objects selected in the X–ray band), ...
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ژورنال
عنوان ژورنال: Monthly Notices of the Royal Astronomical Society
سال: 1998
ISSN: 0035-8711,1365-2966
DOI: 10.1046/j.1365-8711.1998.01953.x