Infrared Spectral Energy Distribution and Variability of Active Galactic Nuclei: Clues to the Structure of Circumnuclear Material

J Lyu, G Rieke - Universe, 2022 - mdpi.com
The active galactic nucleus (AGN) phenomenon results from a supermassive black hole
accreting its surrounding gaseous and dusty material. The infrared (IR) regime provides …

The Pan-STARRS1 z> 5.6 Quasar Survey. III. The z≈ 6 Quasar Luminosity Function

JT Schindler, E Bañados, T Connor… - The Astrophysical …, 2023 - iopscience.iop.org
We present the z≈ 6 type-1 quasar luminosity function (QLF), based on the Pan-STARRS1
(PS1) quasar survey. The PS1 sample includes 125 quasars at z≈ 5.7–6.2, with− 28≲ M …

The Past and Future of Mid-Infrared Studies of AGN

A Sajina, M Lacy, A Pope - Universe, 2022 - mdpi.com
Observational studies of AGN in the mid-infrared regime are crucial to our understanding of
AGN and their role in the evolution of galaxies. Mid-IR-based selection of AGN is …

AGN Selection and Demographics in GOODS-S/HUDF from X-ray to Radio

J Lyu, S Alberts, GH Rieke… - The Astrophysical …, 2022 - iopscience.iop.org
We present a comprehensive census of the active galactic nuclei (AGNs) in the GOODS-
S/HUDF region from the X-ray to the radio, covering both the obscured and unobscured …

Dust inflated accretion disc as the origin of the broad line region in active galactic nuclei

A Baskin, A Laor - Monthly Notices of the Royal Astronomical …, 2018 - academic.oup.com
The broad line region (BLR) in active galactic nuclei (AGNs) is composed of dense gas (∼
1011 cm− 3) on sub-pc scale, which absorbs about 30 per cent of the ionizing continuum …

Active Galactic Nuclei Selection and Demographics: A New Age with JWST/MIRI

J Lyu, S Alberts, GH Rieke, I Shivaei… - The Astrophysical …, 2024 - iopscience.iop.org
Understanding the coevolution of supermassive black holes and their host systems requires
a comprehensive census of active galactic nuclei (AGNs) behavior across a wide range of …

BAT AGN Spectroscopic Survey. XI. The Covering Factor of Dust and Gas in Swift/BAT Active Galactic Nuclei

K Ichikawa, C Ricci, Y Ueda, FE Bauer… - The Astrophysical …, 2019 - iopscience.iop.org
We quantify the luminosity contribution of active galactic nuclei (AGNs) to the 12 μm, mid-
infrared (MIR; 5–38 μm), and total IR (5–1000 μm) emission in the local AGNs detected in …

The mean star formation rates of unobscured QSOs: searching for evidence of suppressed or enhanced star formation

F Stanley, DM Alexander, CM Harrison… - Monthly Notices of …, 2017 - academic.oup.com
We investigate the mean star formation rates (SFRs) in the host galaxies of∼ 3000 optically
selected quasi-stellar objects (QSOs) from the Sloan Digital Sky Survey within the Herschel …

Mid-IR variability and dust reverberation mapping of low-z quasars. I. Data, methods, and basic results

J Lyu, GH Rieke, PS Smith - The Astrophysical Journal, 2019 - iopscience.iop.org
The continued operation of the Wide-field Infrared Survey Explorer (WISE), combined with
several ground-based optical transient surveys (eg, CRTS, ASAS-SN, and PTF), offers an …

Polar dust, nuclear obscuration, and IR SED diversity in type-1 AGNs

J Lyu, GH Rieke - The Astrophysical Journal, 2018 - iopscience.iop.org
Despite the hypothesized similar face-on viewing angles, the infrared emission of type-1
active galactic nuclei (AGNs) has diverse spectral energy distribution (SED) shapes that …