175 citations · 727 across the 19 of their papers we have counts for
19 papers
Optical linear polarization measurements of quasars obtained with the Very Large Telescope at Paranal Observatory
D. Hutsemékers, B. Borguet, D. Sluse +1
We report 87 previously unpublished optical linear polarization measurements of 86 quasars obtained in May and October 2008, and from April to July 2015 with the Focal Reducer and…
Simultaneous XMM-Newton and HST-COS observation of 1H0419-577: the absorbing and emitting ionized gas
L. Di Gesu, E. Costantini, N. Arav +7
In this paper we analyze the X-ray, UV and optical data of the Seyfert 1.5 galaxy 1H0419-577, with the aim of detecting and studying an ionized-gas outflow. The source was observed…
Quasar Outflows and AGN Feedback in the Far UV: HST/COS Observations of QSO HE0238-1904
Nahum Arav, Benoit Borguet, Carter Chamberlain +2
Spectroscopic observations of quasar outflows at rest-frame 500-1000 Angstrom have immense diagnostic power. We present analyses of such data, where absorption troughs from three i…
Major contributor to AGN feedback: VLT X-shooter observations of SIV BAL QSO outflows
Benoit C. J. Borguet, Nahum Arav, Doug Edmonds +2
We present the most energetic BALQSO outflow measured to date, with a kinetic luminosity of at least 10^46 ergs/s, which is 5% of the bolometric luminosity of this high Eddington r…
BAL phosphorus abundance and evidence for immense ionic column densities in quasar outflows: VLT X-Shooter observations of quasar SDSS J1512+1119
Benoit Borguet, Doug Edmonds, Nahum Arav +2
We present spectroscopic analysis of the broad absorption line outflow in quasar SDSS J1512+1119. In particular, we focus our attention on a kinematic component in which we identif…
Multiwavelength Campaign on Mrk 509 X. Lower limit on the distance of the absorber from HST COS and STIS spectroscopy
N. Arav, D. Edmonds, B. Borguet +15
Active Galactic Nuclei often show evidence of photoionized outflows. A major uncertainty in models for these outflows is the distance () to the gas from the central black hole.…