1.1k citations · 7.1k across the 74 of their papers we have counts for
74 papers
Synthetic JWST galaxy images in the TNG50 simulation - I. Model validation and comparison to observations
Alejandro Guzmán-Ortega, Gustavo Bruzual, Vicente Rodriguez-Gomez +1
We use the TNG50 cosmological simulation and three-dimensional radiative transfer post-processing to generate dust-aware synthetic observations of galaxies at a…
A Physically Motivated Framework to Compare Merger Timescales of Isolated Low- and High-Mass Galaxy Pairs Across Cosmic Time
Katie Chamberlain, Ekta Patel, Gurtina Besla +2
The merger timescales of isolated low-mass pairs () on cosmologically motivated orbits have not yet been studied in detail, though isolated hig…
MOSEL survey: JWST reveals major mergers/strong interactions drive the extreme emission lines in the early universe
Anshu Gupta, Ravi Jaiswar, Vicente Rodriguez-Gomez +7
Extreme emission line galaxies (EELGs), where nebular emissions contribute 30-40% of the flux in certain photometric bands, are ubiquitous in the early universe (z>6). We utilise d…
ERGO-ML: Comparing IllustrisTNG and HSC galaxy images via contrastive learning
Lukas Eisert, Connor Bottrell, Annalisa Pillepich +5
Modern cosmological hydrodynamical galaxy simulations provide tens of thousands of reasonably realistic synthetic galaxies across cosmic time. However, quantitatively assessing the…
A physically motivated framework to compare pair fractions of isolated low and high mass galaxies across cosmic time
Katie Chamberlain, Gurtina Besla, Ekta Patel +9
Low mass galaxy pair fractions are understudied, and it is unclear whether low mass pair fractions evolve in the same way as more massive systems over cosmic time. In the era of JW…
The progenitors of the intra-cluster light and intra-cluster globular clusters in galaxy groups and clusters
Niusha Ahvazi, Laura V. Sales, Jessica E. Doppel +3
We use the IllustrisTNG50 cosmological hydrodynamical simulation, complemented by a catalog of tagged globular clusters, to investigate the properties and build up of two extended…
Negligible Effects of Baryons on the Angular Momentum Scaling Relations of Galactic Dark Matter Halos
S. Michael Fall, Vicente Rodriguez-Gomez
In cosmological simulations without baryons, the relation between the specific angular momentum and mass of galactic dark matter halos has the well-establis…
Milky Way and Andromeda analogs from the TNG50 simulation
Annalisa Pillepich, Diego Sotillo-Ramos, Rahul Ramesh +7
We present the properties of Milky Way- and Andromeda-like (MW/M31-like) galaxies simulated within TNG50, the highest-resolution run of the IllustrisTNG suite of CDM magneto-hyd…
The growth of brightest cluster galaxies in the TNG300 simulation:dissecting the contributions from mergers and in situ star formation
Daniel Montenegro-Taborda, Vicente Rodriguez-Gomez, Annalisa Pillepich +4
We investigate the formation of brightest cluster galaxies (BCGs) in the TNG300 cosmological simulation of the IllustrisTNG project. Our cluster sample consists of 700 haloes with…
Morphological signatures of mergers in the TNG50 simulation and the Kilo-Degree Survey: the merger fraction from dwarfs to Milky Way-like galaxies
Alejandro Guzmán-Ortega, Vicente Rodriguez-Gomez, Gregory F. Snyder +2
Using the TNG50 cosmological simulation and observations from the Kilo-Degree Survey (KiDS), we investigate the connection between galaxy mergers and optical morphology in the loca…
The merger and assembly histories of Milky Way- and M31-like galaxies with TNG50: disk survival through mergers
Diego Sotillo-Ramos, Annalisa Pillepich, Martina Donnari +6
We analyze the merger and assembly histories of Milky Way (MW) and Andromeda (M31)-like galaxies to quantify how, and how often, disk galaxies of this mass can survive recent major…
The Contribution of In-situ and Ex-situ Star Formation in Early-Type Galaxies: MaNGA versus IllustrisTNG
Carlo Cannarozzo, Alexie Leauthaud, Grecco A. Oyarzún +6
We compare stellar mass surface density, metallicity, age, and line-of-sight velocity dispersion profiles in massive () present-day early-type g…
Identifying Galaxy Mergers in Simulated CEERS NIRCam Images using Random Forests
Caitlin Rose, Jeyhan S. Kartaltepe, Gregory F. Snyder +23
Identifying merging galaxies is an important - but difficult - step in galaxy evolution studies. We present random forest classifications of galaxy mergers from simulated JWST imag…
The formation of low surface brightness galaxies in the IllustrisTNG simulation
Luis Enrique Pérez-Montaño, Vicente Rodriguez-Gomez, Bernardo Cervantes Sodi +4
We explore the nature of low surface brightness galaxies (LSBGs) in the hydrodynamic cosmological simulation TNG100 of the IllustrisTNG project, selecting a sample of LSBGs (-ba…
Galactic angular momentum in the IllustrisTNG simulation -- I. Connection to morphology, halo spin, and black hole mass
Vicente Rodriguez-Gomez, Shy Genel, S. Michael Fall +9
We use the TNG100 simulation of the IllustrisTNG project to investigate the stellar specific angular momenta () of 12,000 central galaxies at in a full cosmol…
Realistic galaxy images and improved robustness in machine learning tasks from generative modelling
Benjamin J. Holzschuh, Conor M. O'Riordan, Simona Vegetti +2
We examine the capability of generative models to produce realistic galaxy images. We show that mixing generated data with the original data improves the robustness in downstream m…
North Ecliptic Pole merging galaxy catalogue
W. J. Pearson, L. E. Suelves, S. C. -C. Ho +17
We aim to generate a catalogue of merging galaxies within the 5.4 sq. deg. North Ecliptic Pole over the redshift range . To do this, imaging data from the Hyper Supr…
ERGO-ML I: Inferring the assembly histories of IllustrisTNG galaxies from integral observable properties via invertible neural networks
Lukas Eisert, Annalisa Pillepich, Dylan Nelson +3
A fundamental prediction of the LambdaCDM cosmology is the hierarchical build-up of structure and therefore the successive merging of galaxies into more massive ones. As one can on…
The Fornax3D project: The environmental impact on gas metallicity gradients in Fornax cluster galaxies
M. A. Lara-Lopez, P. M. Galan-de Anta, M. Sarzi +16
The role played by environment in galaxy evolution is a current debate in astronomy. The degree to which environment can alter, re-shape, or drive galaxy evolution is a topic of di…
Simulated Bars May Be Shorter But Are Not Slower Than Observed: TNG50 vs. MaNGA
Neige Frankel, Annalisa Pillepich, Hans-Walter Rix +6
Galactic bars are prominent dynamical structures within disk galaxies whose size, formation time, strength, and pattern speed influence the dynamical evolution of their hosts galax…
SDSS-IV MaNGA: Cannibalism Caught in the Act -- on the Frequency of Occurrence of Multiple Cores in Brightest Cluster Galaxies
Yun-Hsin Hsu, Yen-Ting Lin, Song Huang +16
Although it is generally accepted that massive galaxies form in a two-phased fashion, beginning with a rapid mass buildup through intense starburst activities, followed by primaril…
A machine learning approach to infer the accreted stellar mass fractions of central galaxies in the TNG100 simulation
Rui Shi, Wenting Wang, Zhaozhou Li +5
We propose a random forest (RF) machine learning approach to determine the accreted stellar mass fractions () of central galaxies, based on various dark matter halo…
Galaxy Formation in the Santa Cruz semi-analytic model compared with IllustrisTNG -- I. Galaxy scaling relations, dispersions, and residuals at z=0
Austen Gabrielpillai, Rachel S. Somerville, Shy Genel +4
We present the first results from applying the Santa Cruz semi-analytic model (SAM) for galaxy formation on merger trees extracted from a dark matter only version of the IllustrisT…
The building up of observed stellar scaling relations of massive galaxies and the connection to black hole growth in the TNG50 simulation
S. Varma, M. Huertas-Company, A. Pillepich +7
[abridged] We study how mock-observed stellar morphological and structural properties of massive galaxies are built up between and in the TNG50 cosmological simulatio…