Mass loss from the nuclei of active galaxies
▪ Abstract Blueshifted absorption lines in the UV and X-ray spectra of active galaxies reveal
the presence of massive outflows of ionized gas from their nuclei. The “intrinsic” UV and X …
the presence of massive outflows of ionized gas from their nuclei. The “intrinsic” UV and X …
Phenomenology of broad emission lines in active galactic nuclei
JW Sulentic, P Marziani… - Annual Review of …, 2000 - annualreviews.org
▪ Abstract Broad emission lines hold fundamental clues about the kinematics and structure of
the central regions in AGN. In this article we review the most robust line profile properties …
the central regions in AGN. In this article we review the most robust line profile properties …
The 2017 release of Cloudy
We describe the 2017 release of the spectral synthesis code CLOUDY, summarizing the
many improvements to the scope and accuracy of the physics which have been made since …
many improvements to the scope and accuracy of the physics which have been made since …
Composite quasar spectra from the sloan digital sky survey
DEV Berk, GT Richards, A Bauer… - The Astronomical …, 2001 - iopscience.iop.org
We have created a variety of composite quasar spectra using a homogeneous data set of
over 2200 spectra from the Sloan Digital Sky Survey (SDSS). The quasar sample spans a …
over 2200 spectra from the Sloan Digital Sky Survey (SDSS). The quasar sample spans a …
The 2023 release of Cloudy
M Chatzikos, S Bianchi, F Camilloni… - arxiv preprint arxiv …, 2023 - arxiv.org
We describe the 2023 release of the spectral synthesis code Cloudy. Since the previous
major release, migrations of our online services motivated us to adopt git as our version …
major release, migrations of our online services motivated us to adopt git as our version …
The rest-frame extreme-ultraviolet spectral properties of quasi-stellar objects
RC Telfer, W Zheng, GA Kriss… - The Astrophysical …, 2002 - iopscience.iop.org
We use a sample of 332 Hubble Space Telescope spectra of 184 quasi-stellar objects
(QSOs) with z> 0.33 to study the typical ultraviolet spectral properties of QSOs, with …
(QSOs) with z> 0.33 to study the typical ultraviolet spectral properties of QSOs, with …
Unusual broad absorption line quasars from the Sloan Digital Sky Survey
ABSTRACT The Sloan Digital Sky Survey has confirmed the existence of populations of
broad absorption line (BAL) quasars with various unusual properties. We present and …
broad absorption line (BAL) quasars with various unusual properties. We present and …
The unusual emission line spectrum of I Zw 1
MP Véron-Cetty, M Joly, P Véron - Astronomy & Astrophysics, 2004 - aanda.org
Most Seyfert 1 galaxies show strong Fe II lines in their spectrum having the velocity and
width of the broad emission lines. To remove the Fe II contribution in these objects, an …
width of the broad emission lines. To remove the Fe II contribution in these objects, an …
The quasar main sequence explained by the combination of eddington ratio, metallicity, and orientation
We address the effect of orientation of the accretion disk plane and the geometry of the
broad-line region (BLR) as part of an effort to understand the distribution of quasars in …
broad-line region (BLR) as part of an effort to understand the distribution of quasars in …
Analysis of optical Fe II emission in a sample of active galactic nucleus spectra
J Kovačević, LČ Popović… - The Astrophysical …, 2010 - iopscience.iop.org
We present a study of optical Fe ii emission in 302 active galactic nuclei (AGNs) selected
from the Sloan Digital Sky Survey. We group the strongest Fe ii multiplets into three groups …
from the Sloan Digital Sky Survey. We group the strongest Fe ii multiplets into three groups …