92 citations · 2k across the 107 of their papers we have counts for
108 papers
Physical characterization of the local system NGC 1313: A flattening in its chemical abundance by past interactions
Belén Ojeda-Díaz, Sergio Torres-Flores, Daniela E. Olave-Rojas +5
Interacting galaxies provide unique information on morphological transformation, enhanced star formation, and chemical evolution, and thus contribute to understanding the complex e…
OJALÁ: Optimizing J-PAS Astronomy for Large-scale Analysis. A foundation model for the SED of galaxies, QSOs and stars
G. Martínez-Solaeche, R. M. González Delgado, R. García-Benito +37
The advent of large-scale surveys requires efficient ML techniques to exploit the information of massive datasets. We present OJALA, a transformer-based autoregressive foundation m…
Searching for Binary Black Hole Merger Emission in AGN Disks: Optical and Spectroscopic Follow-up of S240413p
P. Darc, C. R. Bom, A. Santos +7
The conditions under which binary black hole (BBH) mergers embedded in active galactic nucleus (AGN) disks produce detectable optical counterparts remain poorly constrained observa…
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…
J-PAS: Discovery of RaJav, a bright spatially extended Ly Nebula at z=2.25
P. T. Rahna, M. Akhlaghi, J. A. Fernández-Ontiveros +29
We report the discovery of a massive and potentially largest Ly Nebula, RaJav, at z=2.25, associated with a quasar pair: the bright SDSS~J162029.07+433451.1 (hereafter J1620+433…
J-PAS: forecast on the primordial power spectrum reconstruction
Guillermo Martínez-Somonte, Airam Marcos-Caballero, Enrique Martínez-González +27
We investigate the capability of the J-PAS survey to constrain the primordial power spectrum using a non-parametric Bayesian method. Specifically, we analyze simulated power spectr…
The miniJPAS survey quasar selection V: combined algorithm
Ignasi Pérez-Ràfols, L. Raul Abramo, Ginés Martínez-Solaeche +27
Aims. Quasar catalogues from narrow-band photometric data are used in a variety of applications, including targeting for spectroscopic follow-up, measurements of supermassive black…
Unveiling the small-scale web around galaxies with miniJPAS and DESI
Daniela Galárraga-Espinosa, Guinevere Kauffmann, Silvia Bonoli +23
We present the first statistical observational study detecting filaments in the immediate surroundings of galaxies, i.e. the local web of galaxies. Simulations predict that cold ga…
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…
The origin of the very-high-energy radiation along the jet of Centaurus A
Cainã de Oliveira, James H. Matthews, Vitor de Souza
As the closest known active galactic nucleus, Centaurus A (Cen A) provides a rich environment for astrophysical exploration. It has been observed across wavelengths from radio to g…
The Fourth S-PLUS Data Release: 12-filter photometry covering square degrees in the southern hemisphere
Fabio R. Herpich, Felipe Almeida-Fernandes, Gustavo B. Oliveira Schwarz +68
The Southern Photometric Local Universe Survey (S-PLUS) is a project to map sq deg of the sky using twelve bands (seven narrow and five broadbands). Observations are per…
Galaxy evolution in compact groups II. Witnessing the influence of major structures in their evolution
Gissel P. Montaguth, Antonela Monachesi, Sergio Torres-Flores +15
Compact groups (CGs) of galaxies are extreme environments for morphological transformations and the cessation of star formation. Though initially considered isolated, it is now rec…
Photometric segregation of dwarf and giant FGK stars using the SVO Filter Profile Service and photometric tools
Carlos Rodrigo, Patricia Cruz, John F. Aguilar +18
This paper is focused on the segregation of FGK dwarf and giant stars through narrow-band photometric data using the Spanish Virtual Observatory (SVO) Filter Profile Service and as…
PEARLS: NuSTAR and XMM-Newton Extragalactic Survey of the JWST North Ecliptic Pole Time-Domain Field II
Xiurui Zhao, Francesca Civano, Christopher N. A. Willmer +30
We present the second NuSTAR and XMM-Newton extragalactic survey of the JWST North Ecliptic Pole (NEP) Time-Domain Field (TDF). The first NuSTAR NEP-TDF survey (Zhao et al. 2021) h…
Multiwavelength exploration of Extreme Emission Line Galaxies detected in miniJPAS survey
Iris Breda, Stergios Amarantidis, José M. Vilchez +24
Extreme Emission Line Galaxies (EELGs) stand as remarkable objects due to their extremely metal poor environment and intense star formation. Considered as local analogues of high-r…
The miniJPAS survey: Optical detection of galaxy clusters with PZWav
L. Doubrawa, E. S. Cypriano, A. Finoguenov +21
Galaxy clusters are an essential tool to understand and constrain the cosmological parameters of our Universe. Thanks to its multi-band design, J-PAS offers a unique group and clus…
The miniJPAS survey. Evolution of the luminosity and stellar mass functions of galaxies up to
L. A. Díaz-García, R. M. González Delgado, R. García-Benito +22
We aim at developing a robust methodology for constraining the luminosity and stellar mass functions (LMFs) of galaxies by solely using data from multi-filter surveys and testing t…
Bulge-disc decomposition of the Hydra cluster galaxies in 12 bands
Ciria Lima-Dias, Antonela Monachesi, Sergio Torres-Flores +15
When a galaxy falls into a cluster, its outermost parts are the most affected by the environment. In this paper, we are interested in studying the influence of a dense environment…
Galaxy evolution in compact groups I: Revealing a transitional galaxy population through a multiwavelength approach
Gissel P. Montaguth, Sergio Torres-Flores, Antonela Monachesi +12
Compact groups of galaxies (CGs) show members with morphological disturbances, mainly products of galaxy-galaxy interactions, thus making them ideal systems to study galaxy evoluti…
The miniJPAS survey: clusters and galaxy groups detection with AMICO
M. Maturi, A. Finoguenov, P. A. A. Lopes +31
Samples of galaxy clusters allow us to better understand the physics at play in galaxy formation and to constrain cosmological models once their mass, position (for clustering stud…
An Extended Catalogue of galaxy morphology using Deep Learning in Southern Photometric Local Universe Survey Data Release 3
C. R. Bom, A. Cortesi, U. Ribeiro +22
The morphological diversity of galaxies is a relevant probe of galaxy evolution and cosmological structure formation. However, in large sky surveys, even the morphological classifi…
Chemodynamical Properties and Ages of Metal-Poor Stars in S-PLUS
Felipe Almeida-Fernandes, Vinicius Placco, Helio Rocha-Pinto +10
Metal-poor stars are key to our understanding of the early stages of chemical evolution in the Universe. New multi-filter surveys, such as the Southern Photometric Local Universe S…
A MUSE view of the multiple interacting system HCG 31
Diego A. Gómez-Espinoza, Sergio Torres-Flores, Verónica Firpo +4
We present, for the first time, spatially resolved spectroscopy for the entire Hickson Compact Group 31 obtained with the MUSE instrument at the VLT,and an in-depth analysis of thi…
The miniJPAS survey quasar selection II: Machine learning classification with photometric measurements and uncertainties
Natália V. N. Rodrigues, L. Raul Abramo, Carolina Queiroz +23
Astrophysical surveys rely heavily on the classification of sources as stars, galaxies or quasars from multi-band photometry. Surveys in narrow-band filters allow for greater discr…