activity
20182026
most citedTracing the Quenching History in Galaxy Clusters in the EAGLE Simulation

54 citations · 224 across the 25 of their papers we have counts for

collaborators

26 papers

astro-ph.GA2026

Star formation and morphological trends in the Antlia cluster: Probing environmental influence out to 5R200

Ciria Lima-Dias, Antonela Monachesi, Gissel P. Montaguth +48

Galaxy evolution in dense environments such as clusters is strongly affected by environmental processes that can alter both morphology and star formation activity. We investigate t…

astro-ph.GA2026

Characterizing the Formation and Evolution of S0-galaxies (CaFES-0): Revealing the origin of the mass-size relation for S0 galaxies

Diego Pallero, Yara L. Jaffe, Amelia Fraser-McKelvie +6

We investigate the structural evolution and formation pathways of lenticular (S0) galaxies using the Hydrangea suite of cosmological hydrodynamical simulations. Simulated galaxies…

astro-ph.GA2026

Something green beneath the surface: The dynamical nature of Fossil Structures in IllustrisTNG-100

Mary Verdugo-Santos, Facundo A. Gómez, Diego Pallero +2

Fossil structures (FS) have traditionally been considered dynamically relaxed end-products of group evolution, characterized by a large magnitude gap (). However,…

astro-ph.GA2026

Characterizing the Formation and Evolution of S0-galaxies (CaFES-0): Their formation pathways around Galaxy Clusters

Diego Pallero, Yara L. Jaffé, Amelia Fraser-McKelvie +7

The formation pathways of lenticular galaxies (S0s), which lie morphologically between elliptical and spiral galaxies, remain a topic of active research. Environmental effects, mer…

astro-ph.GA2026

The S-PLUS Fornax Project (S+FP): Fornax-like clusters in cosmological hydrodynamical simulations

L. J. Zenocratti, A. V. Smith Castelli, M. E. De Rossi +12

The Fornax galaxy cluster constitutes a suitable laboratory to explore the evolution of galaxies in a dense environment. Recently, the Southern Photometric Local Universe Survey (S…

astro-ph.GA2026★ 1 cited

Caught in the web: galaxy mergers along cosmic filaments

Carolina Dulcien, Yara L. Jaffe, Jacob P. Crossett +31

Galaxy clusters grow through the accretion of galaxies from groups, filaments, and other clusters. During this process, galaxies may undergo pre-processing in lower-density environ…

astro-ph.GA2026★ 1 cited

The S-PLUS Fornax Project (S+FP): An extragalactic catalog covering 5 virial radii around NGC 1399 with galaxy properties

R. F. Haack, A. V. Smith Castelli, L. Sodré +22

Observational extragalactic catalogs over wide sky areas are essential for uncovering the large-scale structure of the Universe. They allow, among others, cosmological studies and…

astro-ph.GA2026

Star-forming compact groups: Tracing the early evolutionary stages of compact group environments

Ortiz-Gómez S., Torres-Flores S., Monachesi A. +13

In the context of pre-processing -- a scenario in which galaxies quench their star formation within substructures before falling into clusters -- we investigate the impact of envir…

astro-ph.GA2025★ 2 cited

Galaxy evolution in compact groups - III. Structural analysis of galaxies and dynamical state of non-isolated compact groups

Gissel P. Montaguth, Ana Laura O'Mill, Claudia Mendes de Oliveira +17

Compact Groups (CGs) of galaxies are dense systems where projected separations are comparable to their optical diameters. A subset - non-isolated CGs - are embedded within major st…

astro-ph.CO2025★ 3 cited

The role of supercluster filaments in shaping galaxy clusters

Raúl Baier-Soto, Yara Jaffé, Alexis Finoguenov +44

In a hierarchical CDM Universe, cosmic filaments serve as the primary channels for matter accretion into galaxy clusters, influencing the shape of their dark matter halos. We in…

astro-ph.GA2025★ 5 cited

Targeting cluster galaxies for the 4MOST CHANCES Low-z sub-survey with photometric redshifts

Hugo Méndez-Hernández, Ciria Lima-Dias, Antonela Monachesi +54

The evolution of galaxies is shaped by both internal processes and their external environments. Galaxy clusters and their surroundings provide ideal laboratories to study these eff…

astro-ph.GA2025

The formation and evolution of Supermassive disks in IllustrisTNG

Diego Pallero, Gaspar Galaz, Patricia B. Tissera +4

Supermassive disks are outstanding galaxies whose formation and evolution are still poorly understood. They comprise a large variety of objects, ranging from large, low-surface-bri…

astro-ph.GA2025★ 4 cited

Diving into dangerous tides: The impact of galaxy cluster tidal environments on satellite galaxy mass densities

Matias Blaña, Thomas H. Puzia, Yasna Ordenes-Briceño +8

Satellite galaxies endure powerful environmental tidal forces that drive mass stripping of their outer regions. Consequently, satellites located in central regions of galaxy cluste…

astro-ph.GA2025★ 4 cited

The S-PLUS Fornax Project (S+FP): Mapping H+[NII] emission in 77 Fornax galaxy members reaching 4 Rvir

A. R. Lopes, A. V. Smith Castelli, A. C. Krabbe +31

The Fornax cluster, the second-largest galaxy cluster within 20 Mpc, presents an ideal environment for studying environmental effects on galaxy evolution. Utilizing data from the S…

astro-ph.CO2025★ 2 cited

Differences in baryonic and dark matter scaling relations of galaxy clusters: A comparison between IllustrisTNG simulations and observations

Daniel Miller, Diego Pallero, Patricia B. Tissera +1

We compare the self-similar baryonic mass fraction scaling relations between galaxy clusters from the South Pole Telescope Sunyaev-Zel'dovich (SPT-SZ) survey and the IllustrisTNG s…

astro-ph.GA2025

Stream Automatic Detection with Convolutional Neural Network (SAD-CNN)

Alex Vera-Casanova., Nicolas Monsalves Gonzalez, Facundo A. Gómez +8

Context. Galactic halos host faint substructures, such as stellar streams and shells, which provide insights into the hierarchical assembly history of galaxies. To date, such featu…

astro-ph.GA2024

Unveiling the formation channels of stellar halos through their chemical fingerprints

Jenny Gonzalez-Jara, Patricia B. Tissera, Antonela Monachesi +6

Stellar halos around galaxies contain key information about their formation and assembly history. Using simulations, we can trace the origins of different stellar populations in th…

astro-ph.GA2024★ 12 cited

CHANCES, the Chilean Cluster Galaxy Evolution Survey: Selection and initial characterisation of clusters and superclusters

Cristóbal Sifón, Alexis Finoguenov, Christopher P. Haines +43

CHANCES, the CHileAN Cluster galaxy Evolution Survey, will study the evolution of galaxies in and around 100 massive galaxy clusters from the local Universe out to , and…

astro-ph.GA2024★ 4 cited

The evolution of low-mass central galaxies in the vicinity of massive structures and its impact on the two-halo conformity

Daniela Palma, Ivan Lacerna, M. Celeste Artale +7

We investigated the population of low-mass central galaxies with Mstar = Msun/h, inhabiting regions near massive groups and clusters of galaxies using the TNG300…

astro-ph.GA2024★ 18 cited

Pre- and post-processing of cluster galaxies out to : The extreme case of A2670

Franco Piraino-Cerda, Yara L. Jaffé, Ana C. Lourenço +7

We study galaxy interactions in the large scale environment around A2670, a massive ( = ) and interacting galaxy cluster at…

astro-ph.GA2023★ 1 cited

Galaxy evolution in modified gravity simulations: using passive galaxies to constrain gravity with upcoming surveys

Diego Pallero, Facundo A. Gómez, Nelson D. Padilla +5

We present a quantitative analysis of the properties of galaxies and structures evolving in universes dominated by different modified gravitational models, including two variants o…

astro-ph.GA2022★ 17 cited

Formation of S0s in extreme environments III: the role of environment in the formation pathways

Lodovico Coccato, Amelia Fraser-McKelvie, Yara L. Jaffé +3

It is well established that there are at least two main channels to form lenticular (or S0) galaxies. The first, which we name "faded spiral" scenario, includes quenching events th…

astro-ph.GA2021★ 27 cited

Linking the brightest stellar streams with the accretion history of Milky Way-like galaxies

Alex Vera-Casanova, Facundo A. Gómez, Antonela Monachesi +8

According to the current galaxy formation paradigm, mergers and interactions play an important role in shaping present-day galaxies. The remnants of this merger activity can be use…

astro-ph.GA2020★ 31 cited

Too dense to go through: The importance of low-mass clusters for satellite quenching

Diego Pallero, Facundo A. Gómez, Nelson D. Padilla +3

We study the evolution of satellite galaxies in clusters of the \textsc{c-eagle} simulations, a suite of 30 high-resolution cosmological hydrodynamical zoom-in simulations based on…