A JWST/NIRSpec First Census of Broad-line AGNs at z= 4–7: Detection of 10 Faint AGNs with M BH∼ 106–108 M⊙ and Their Host Galaxy Properties
We present the first statistical sample of faint type 1 AGNs at z> 4 identified by
JWST/NIRSpec deep spectroscopy. Among the 185 galaxies at z spec= 3.8–8.9 confirmed …
JWST/NIRSpec deep spectroscopy. Among the 185 galaxies at z spec= 3.8–8.9 confirmed …
UNCOVER Spectroscopy Confirms the Surprising Ubiquity of Active Galactic Nuclei in Red Sources at z> 5
JE Greene, I Labbe, AD Goulding… - The Astrophysical …, 2024 - iopscience.iop.org
Abstract The James Webb Space Telescope is revealing a new population of dust-reddened
broad-line active galactic nuclei (AGN) at redshifts z≳ 5. Here we present deep …
broad-line active galactic nuclei (AGN) at redshifts z≳ 5. Here we present deep …
Little Red Dots: An Abundant Population of Faint Active Galactic Nuclei at z∼ 5 Revealed by the EIGER and FRESCO JWST Surveys
Characterizing the prevalence and properties of faint active galactic nuclei (AGNs) in the
early Universe is key for understanding the formation of supermassive black holes (SMBHs) …
early Universe is key for understanding the formation of supermassive black holes (SMBHs) …
EIGER. V. Characterizing the Host Galaxies of Luminous Quasars at z≳ 6
M Yue, AC Eilers, RA Simcoe… - The Astrophysical …, 2024 - iopscience.iop.org
We report JWST/NIRCam measurements of quasar host galaxy emissions and
supermassive black hole (SMBH) masses for six quasars at 5.9< z< 7.1 in the Emission-line …
supermassive black hole (SMBH) masses for six quasars at 5.9< z< 7.1 in the Emission-line …
Quantifying the Effects of Known Unknowns on Inferred High-redshift Galaxy Properties: Burstiness, IMF, and Nebular Physics
The era of the James Webb Space Telescope ushers stellar population models into
uncharted territories, particularly at the high-redshift frontier. In a companion paper, we apply …
uncharted territories, particularly at the high-redshift frontier. In a companion paper, we apply …
Little Red Dots or Brown Dwarfs? NIRSpec Discovery of Three Distant Brown Dwarfs Masquerading as NIRCam-selected Highly Reddened Active Galactic Nuclei
D Langeroodi, J Hjorth - The Astrophysical Journal Letters, 2023 - iopscience.iop.org
Cold, substellar objects such as brown dwarfs have long been recognized as contaminants
in color-selected samples of active galactic nuclei (AGNs). In particular, their near-to mid …
in color-selected samples of active galactic nuclei (AGNs). In particular, their near-to mid …
Undermassive Host Galaxies of Five z∼ 6 Luminous Quasars Detected with JWST
We measure host galaxy stellar masses for a sample of five luminous quasars at z∼ 5–7.
Using JWST/NIRCam medium-band images of nearby point-spread function reference stars …
Using JWST/NIRCam medium-band images of nearby point-spread function reference stars …
The Redshift Evolution of the M•–M⋆ Relation for JWST's Supermassive Black Holes at z> 4
JWST has detected many overmassive galactic systems at z> 4, where the mass of the black
hole, M•, is 10–100 times larger than expected from local relations, given the host's stellar …
hole, M•, is 10–100 times larger than expected from local relations, given the host's stellar …
Earliest Galaxies in the JADES Origins Field: Luminosity Function and Cosmic Star Formation Rate Density 300 Myr after the Big Bang
B Robertson, BD Johnson… - The …, 2024 - singdirect.iopscience.iop.org
We characterize the earliest galaxy population in the JADES Origins Field, the deepest
imaging field observed with JWST. We make use of ancillary Hubble Space Telescope …
imaging field observed with JWST. We make use of ancillary Hubble Space Telescope …
Spectral variability studies in Active Galactic Nuclei: Exploring continuum and emission line regions in the age of LSST and JWST
The investigation of emission line regions within active galaxies (AGNs) has a rich and
extensive history, now extending to the use of AGNs and quasars as “standardizable” …
extensive history, now extending to the use of AGNs and quasars as “standardizable” …