The art of measuring physical parameters in galaxies: a critical assessment of spectral energy distribution fitting techniques

C Pacifici, KG Iyer, B Mobasher… - The Astrophysical …, 2023 - iopscience.iop.org
The study of galaxy evolution hinges on our ability to interpret multiwavelength galaxy
observations in terms of their physical properties. To do this, we rely on spectral energy …

MIGHTEE: deep 1.4 GHz source counts and the sky temperature contribution of star-forming galaxies and active galactic nuclei

CL Hale, IH Whittam, MJ Jarvis, PN Best… - Monthly Notices of …, 2023 - academic.oup.com
We present deep 1.4 GHz source counts from∼ 5 deg2 of the continuum Early Science data
release of the MeerKAT International Gigahertz Tiered Extragalactic Exploration survey …

GAMA/DEVILS: cosmic star formation and AGN activity over 12.5 billion years

JCJ D'Silva, SP Driver, CDP Lagos… - Monthly Notices of …, 2023 - academic.oup.com
We use the Galaxy and Mass Assembly (GAMA) and the Deep Extragalactic Visible Legacy
Survey (DEVILS) observational data sets to calculate the cosmic star formation rate (SFR) …

Deep Extragalactic VIsible Legacy Survey (DEVILS): identification of AGN through SED fitting and the evolution of the bolometric AGN luminosity function

JE Thorne, ASG Robotham, LJM Davies… - Monthly Notices of …, 2022 - academic.oup.com
Active galactic nuclei (AGN) are typically identified through radio, mid-infrared, or X-ray
emission or through the presence of broad and/or narrow emission lines. AGN can also …

DEVILS: cosmic evolution of SED-derived metallicities and their connection to star formation histories

JE Thorne, ASG Robotham, S Bellstedt… - Monthly Notices of …, 2022 - academic.oup.com
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 …

Resolving cosmic star formation histories of present-day bulges, discs, and spheroids with ProFuse

S Bellstedt, ASG Robotham, SP Driver… - Monthly Notices of …, 2024 - academic.oup.com
We present the first look at star formation histories of galaxy components using ProFuse, a
new technique to model the 2D distribution of light across multiple wavelengths using …

Star formation and AGN activity 500 Myr after the Big Bang: Insights from JWST

JCJ D'Silva, SP Driver, CDP Lagos… - The Astrophysical …, 2023 - iopscience.iop.org
We consider the effect of including an active galactic nuclei (AGN) component when fitting
spectral energy distributions of 109 spectroscopically confirmed z≈ 3.5–12.5 galaxies with …

Unveiling the main sequence of galaxies at z ≥ 5 with the JWST: predictions from simulations

JCJ D'Silva, CDP Lagos, LJM Davies… - Monthly Notices of …, 2023 - academic.oup.com
We use two independent galaxy-formation simulations, flares, a cosmological
hydrodynamical simulation, and shark, a semi-analytic model, to explore how well the JWST …

The long and the short of it: the benefits and leverage of ultraviolet-radio galaxy fitting

JE Thorne, ASG Robotham, S Bellstedt… - Monthly Notices of the …, 2023 - academic.oup.com
Traditionally, the far-ultraviolet (FUV) to far-infrared (FIR) and radio spectral energy
distributions (SEDs) of galaxies have been considered separately despite the common …

JWST PEARLS. prime extragalactic areas for reionization and lensing science: project overview and first results

RA Windhorst, SH Cohen, RA Jansen… - The Astronomical …, 2022 - iopscience.iop.org
We give an overview and describe the rationale, methods, and first results from NIRCam
images of the JWST" Prime Extragalactic Areas for Reionization and Lensing …