Discovery of the most luminous quasar of the last 9 Gyr
Loading...
Date
Authors
Onken, Christopher
Lai, Samuel
Wolf, Christian
Lucy, Adrian B.
Hon, Wei Jeat
Tisserand, Patrick
Sokoloski, Jennifer L
Luna, Gerardo J. M.
Manick, Rajeev
Fan, Xiaohui
Journal Title
Journal ISSN
Volume Title
Publisher
CSLI Publications
Abstract
We report the discovery of a bright (mag (AB), mag (Vega)) quasar at redshift-the optically brightest (unbeamed) quasar at 0.4$[]>. SMSS J114447.77-430859.3, at a Galactic latitude of, was identified by its optical colours from the SkyMapper Southern Survey (SMSS) during a search for symbiotic binary stars. Optical and near-infrared spectroscopy reveals broad Mg ii, H, H, and Pa emission lines, from which we measure a black hole mass of. With its high luminosity, or mag (AB), we estimate an Eddington ratio of. As the most luminous quasar known over the last 9 Gyr of cosmic history, having a luminosity greater than 3C 273, the source offers a range of potential follow-up opportunities.
Description
Keywords
Citation
Collections
Source
Publications of the Astronomical Society of Australia
Type
Book Title
Entity type
Access Statement
License Rights
Restricted until
2099-12-31