201 citations · 1.9k across the 69 of their papers we have counts for
36 papers · 1 filter
The role of filaments in the large-scale conformity signal
Daniela Palma, Ivan Lacerna, Noelia Pérez +8
We investigate the large-scale conformity signal and its connection with the large-scale structure, focusing on low-mass central galaxies, after excluding galaxies that were satell…
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…
The Inner Dark-Matter Structure of Galaxies
Vicente Honorato, Antonio D. Montero-Dorta, M. Celeste Artale +1
In the framework of the CDM model, galaxies evolve within dark matter (DM) haloes, where baryonic processes modify the inner structure of the DM distribution. In particular, bar…
ODIN: Confirmation and 3D Reconstruction of Six Massive Protoclusters at Cosmic Noon
Ashley Ortiz, Vandana Ramakrishnan, Kyoung-Soo Lee +64
Protoclusters represent sites of accelerated galaxy formation and extreme astrophysical activity characteristic of dense environments. Identifying massive protoclusters and mapping…
ODIN: Using multiplicity of Lyman-Alpha Emitters to assess star formation activity in dark matter halos
M. Candela Cerdosino, Nelson Padilla, Ana Laura O'Mill +16
We investigate if systems of multiple Lyman-alpha emitters (LAEs) can serve as a proxy for dark matter halo mass, assess how their radiative properties relate to the underlying hal…
ODIN: Characterizing the Three-dimensional Structure of Two Protocluster Complexes at
Vandana Ramakrishnan, Ashley Ortiz, Byeongha Moon +52
We present a detailed study of the 3D morphology of two extended associations of multiple protoclusters at . These protocluster 'complexes', designated COSMOS-z3.1-A and COS…
Bar Evolution in Edge-on Galaxies: A Demographic Study of Boxy/Peanut Bulges
Atul A. Samanta, Ankit Kumar, Mousumi Das +1
Boxy/peanut and X-shaped (BP/X) bulges are prominent features in edge-on disk galaxies and are believed to be vertically thickened bars. Despite their relevance in bar evolution, a…
Massive Star Clusters in the Semi-Analytical Galaxy Formation Model L-Galaxies 2020
Nils Hoyer, Silvia Bonoli, Nate Bastian +7
It is established that there exists a direct link between the formation history of star cluster populations and their host galaxies. However, our lack of understanding of the assem…
ODIN: Clustering Analysis of 14,000 Lyα Emitting Galaxies at z=2.4, 3.1, and 4.5
Danisbel Herrera, Eric Gawiser, Barbara Benda +15
Lyman Alpha Emitters (LAEs) are star-forming galaxies that efficiently probe the spatial distribution of galaxies in the high redshift universe. The spatial clustering of LAEs refl…
Central galaxy alignments. Dependence on the mass and the large-scale environment
Facundo Rodriguez, Manuel Merchán, Daniela Galárraga-Espinosa +4
Observations indicate that central galaxies show a significant alignment of their main shape axes with other galaxies in their group, as well as with the large-scale structure of t…
A semi-analytical perspective on massive red galaxies: I. Assembly history, environment & redshift evolution
D. Stoppacher, A. D. Montero-Dorta, M. C. Artale +4
Investigating the assembly history of the most massive and passive galaxies will enhance our understanding of why galaxies exhibit such a remarkable diversity in structure and morp…
The VANDELS Survey: Star formation and quenching in two over-densities at 3 < z < 4
M. Espinoza Ortiz, L. Guaita, R. Demarco +11
Context: Understanding galaxy evolution in dense environments, particularly proto-clusters, is crucial for studying mechanisms driving star formation and quenching. Aims: This stud…
Quenching of Galaxies at Cosmic Noon: Understanding the Effect of Environment
Akriti Singh, Lucia Guaita, Pascale Hibon +16
The aim of this study is to identify quiescent galaxies in the 2-deg COSMOS field at and analyze their environment. Using data from the ODIN survey and COSMOS2020…
ODIN: Strong Clustering of Protoclusters at Cosmic Noon
Vandana Ramakrishnan, Kyoung-Soo Lee, Nicole Firestone +15
The One-hundred-deg DECam Imaging in Narrowbands (ODIN) survey is carrying out a systematic search for protoclusters during Cosmic Noon, using Ly-emitting galaxies (LAEs) as…
Testing Lyman Alpha Emitters and Lyman-Break Galaxies as Tracers of Large-Scale Structures at High Redshifts
Sang Hyeok Im, Ho Seong Hwang, Jaehong Park +21
We test whether Lyman alpha emitters (LAEs) and Lyman-break galaxies (LBGs) can be good tracers of high-z large-scale structures, using the Horizon Run 5 cosmological hydrodynamica…
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…
ODIN: Identifying Protoclusters and Cosmic Filaments Traced by Ly-emitting Galaxies
Vandana Ramakrishnan, Kyoung-Soo Lee, Maria Celeste Artale +22
To understand the formation and evolution of massive cosmic structures, studying them at high redshift, in the epoch when they formed the majority of their mass is essential. The O…
ODIN: Improved Narrowband Ly Emitter Selection Techniques for = 2.4, 3.1, and 4.5
Nicole M. Firestone, Eric Gawiser, Vandana Ramakrishnan +25
Lyman-Alpha Emitting galaxies (LAEs) are typically young, low-mass, star-forming galaxies with little extinction from interstellar dust. Their low dust attenuation allows their Ly$…
The One-hundred-deg^2 DECam Imaging in Narrowbands (ODIN): Survey Design and Science Goals
Kyoung-Soo Lee, Eric Gawiser, Changbom Park +39
We describe the survey design and science goals for ODIN (One-hundred-deg^2 DECam Imaging in Narrowbands), a NOIRLab survey using the Dark Energy Camera (DECam) to obtain deep (AB~…
Redshift evolution of the dark matter haloes shapes
Pedro Cataldi, Susana Pedrosa, Patricia Tissera +6
In this work, we aim at investigating the morphology evolution of Milky Way mass-like dark matter haloes selected from the CIELO and IllustrisTNG Projects. The connection between h…
ODIN: Where Do Lyman-alpha Blobs Live? Contextualizing Blob Environments within the Large-Scale Structure
Vandana Ramakrishnan, Byeongha Moon, Sang Hyeok Im +16
While many Lyman-alpha Blobs (LABs) are found in and around several well-known protoclusters at high redshift, how they trace the underlying large-scale structure is still poorly u…
Tracking the evolution of satellite galaxies: mass stripping and dark-matter deficient galaxies
Antonio D. Montero-Dorta, Facundo Rodriguez, M. Celeste Artale +2
Satellite galaxies undergo a variety of physical processes when they are accreted by groups and clusters, often resulting in the loss of baryonic and dark matter (DM) mass. In this…
Alignment of the central galaxies with the environment
Facundo Rodriguez, Manuel Merchán, M. Celeste Artale
In this work, we combine ellipticity and major axis position angle measurements from the Sloan Digital Sky Server Data Release 16 (SDSS DR16) with the group finder algorithm of Rod…
Mimicking the halo-galaxy connection using machine learning
Natalí S. M. de Santi, Natália V. N. Rodrigues, Antonio D. Montero-Dorta +3
Elucidating the connection between the properties of galaxies and the properties of their hosting haloes is a key element in galaxy formation. When the spatial distribution of obje…