Identification of tidal features in deep optical galaxy images with convolutional neural networks

HD Sánchez, G Martin, I Damjanov… - Monthly Notices of …, 2023 - academic.oup.com
Interactions between galaxies leave distinguishable imprints in the form of tidal features,
which hold important clues about their mass assembly. Unfortunately, these structures are …

[HTML][HTML] Characterization of low surface brightness structures in annotated deep images

E Sola, PA Duc, F Richards, A Paiement… - Astronomy & …, 2022 - aanda.org
Context. The identification and characterization of low surface brightness (LSB) stellar
structures around galaxies such as tidal debris of ongoing or past collisions is essential to …

Preparing for low surface brightness science with the Vera C. Rubin Observatory: a comparison of observable and simulated intracluster light fractions

S Brough, SL Ahad, YM Bahé, A Ellien… - Monthly Notices of …, 2024 - academic.oup.com
Intracluster light (ICL) provides an important record of the interactions galaxy clusters have
undergone. However, we are limited in our understanding by our measurement methods. To …

A new era of intracluster light studies with JWST

M Montes, I Trujillo - The Astrophysical Journal Letters, 2022 - iopscience.iop.org
Still largely unexplored, the diffuse light in clusters of galaxies traces the past and ongoing
buildup of these massive structures. Here we present the first comprehensive study of the …

Galaxy and mass assembly (GAMA): comparing visually and spectroscopically identified galaxy merger samples

A Desmons, S Brough… - Monthly Notices of …, 2023 - academic.oup.com
We conduct a comparison of the merging galaxy populations detected by a sample of visual
identification of tidal features around galaxies as well as spectroscopically detected close …

Relaxed blue ellipticals: accretion-driven stellar growth is a key evolutionary channel for low mass elliptical galaxies

I Lazar, S Kaviraj, G Martin, C Laigle… - Monthly Notices of …, 2023 - academic.oup.com
How elliptical galaxies form is a key question in observational cosmology. While the
formation of massive ellipticals is strongly linked to mergers, the low mass (M⋆/M⊙< 109.5) …

The impact of environment on size: Galaxies are 50% smaller in the Fornax Cluster compared to the field

N Chamba, MJ Hayes - Astronomy & Astrophysics, 2024 - aanda.org
Size is a fundamental parameter for measuring the growth of galaxies and the role of the
environment on their evolution. However, the conventional size definitions used for this …

Reading the tea leaves in the MbhM*,sph and MbhRe,sph diagrams: dry and gaseous mergers with remnant angular momentum

AW Graham, N Sahu - Monthly Notices of the Royal …, 2023 - academic.oup.com
We recently revealed that bulges and elliptical galaxies broadly define distinct, superlinear
relations in the (black hole mass, M bh)–(spheroid stellar mass, M*, sph) diagram or M bh …

[HTML][HTML] A Recipe for Unbiased Background Modeling in Deep Wide-field Astronomical Images

Q Liu, R Abraham, PG Martin… - The Astrophysical …, 2023 - iopscience.iop.org
Unbiased sky background modeling is crucial for the analysis of deep wide-field images, but
it remains a major challenge in low surface brightness astronomy. Traditional image …

The Hateful Eight: Connecting Massive Substructures in Galaxy Clusters like A2744 to Their Dynamical Assembly State Using the Magneticum Simulations

LC Kimmig, RS Remus, K Dolag… - The Astrophysical …, 2023 - iopscience.iop.org
Substructures are known to be good tracers for the dynamical states and recent accretion
histories of the most massive collapsed structures in the universe, galaxy clusters …