A small and vigorous black hole in the early Universe
Several theories have been proposed to describe the formation of black hole seeds in the
early Universe and to explain the emergence of very massive black holes observed in the …
early Universe and to explain the emergence of very massive black holes observed in the …
Frontiers in accretion physics at high X-ray spectral resolution
P Gandhi, T Kawamuro, M Díaz Trigo, JA Paice… - Nature …, 2022 - nature.com
Microcalorimeters have shown remarkable success in delivering high-spectral-resolution
observations of the hot and energetic Universe, and have paved the way to revolutionary …
observations of the hot and energetic Universe, and have paved the way to revolutionary …
Testing AGN outflow and accretion models with C iv and He ii emission line demographics in z ≈ 2 quasars
MJ Temple, JH Matthews, PC Hewett… - Monthly Notices of …, 2023 - academic.oup.com
Using≈ 190 000 spectra from the 17th data release of the Sloan Digital Sky Survey (SDSS),
we investigate the ultraviolet emission line properties in z≈ 2 quasars. Specifically, we …
we investigate the ultraviolet emission line properties in z≈ 2 quasars. Specifically, we …
Supermassive Black Hole Winds in X-rays: SUBWAYS-I. Ultra-fast outflows in quasars beyond the local Universe
We present a new X-ray spectroscopic study of 22 luminous (2× 10 45≲ L bol/erg s− 1≲ 2×
10 46) active galactic nuclei (AGNs) at intermediate redshifts (0.1≲ z≲ 0.4), as part of the …
10 46) active galactic nuclei (AGNs) at intermediate redshifts (0.1≲ z≲ 0.4), as part of the …
DEVILS: cosmic evolution of SED-derived metallicities and their connection to star formation histories
Gas-phase metallicities of galaxies are typically measured through auroral or nebular
emission lines, but metallicity also leaves an imprint on the overall spectral energy …
emission lines, but metallicity also leaves an imprint on the overall spectral energy …
Quantifying feedback from narrow line region outflows in nearby active galaxies. iii. results for the seyfert 2 galaxies markarian 3, markarian 78, and ngc 1068
Outflows of ionized gas driven by active galactic nuclei (AGN) may significantly impact the
evolution of their host galaxies. However, determining the energetics of these outflows is …
evolution of their host galaxies. However, determining the energetics of these outflows is …
A radio, optical, UV, and X-ray view of the enigmatic changing-look active galactic nucleus 1ES 1927+ 654 from its pre-to postflare states
The nearby Type II active galactic nucleus (AGN) 1ES 1927+ 654 went through a violent
changing-look (CL) event beginning 2017 December during which the optical and UV fluxes …
changing-look (CL) event beginning 2017 December during which the optical and UV fluxes …
Evidence for the connection between star formation rate and the evolutionary phases of quasars
Both theory and observations suggest that outflows driven by an active central supermassive
black hole have a feedback effect on shaping the global properties of the host galaxy …
black hole have a feedback effect on shaping the global properties of the host galaxy …
BASS XXXI: Outflow scaling relations in low redshift X-ray AGN host galaxies with MUSE
D Kakkad, E Sani, AF Rojas… - Monthly Notices of …, 2022 - academic.oup.com
Ionized gas kinematics provide crucial evidence of the impact that active galactic nuclei
(AGNs) have in regulating star formation in their host galaxies. Although the presence of …
(AGNs) have in regulating star formation in their host galaxies. Although the presence of …
Scientific objectives of the Hot Universe Baryon Surveyor (HUBS) mission
Abstract The Hot Universe Baryon Surveyor (HUBS) is a proposed space-based X-ray
telescope for detecting X-ray emissions from the hot gas content in our universe. With its …
telescope for detecting X-ray emissions from the hot gas content in our universe. With its …