activity
20002025
most citedThe DESI Experiment Part I: Science,Targeting, and Survey Design

1.3k citations · 5k across the 54 of their papers we have counts for

collaborators

54 papers

astro-ph.IM2025

Co-SOM: Co-training for photometric redshift estimation using Self-Organizing Maps

Alvaro Callejas-Tavera, Erik Molino-Minero-Re, Octavio Valenzuela

The upcoming galaxy large-scale surveys, such as the Vera C. Rubin Observatory's Legacy Survey of Space and Time (LSST), will generate photometry for billions of galaxies. The inte…

cs.CV2025

GraViT: Transfer Learning with Vision Transformers and MLP-Mixer for Strong Gravitational Lens Discovery

René Parlange, Juan C. Cuevas-Tello, Octavio Valenzuela +4

Gravitational lensing offers a powerful probe into the properties of dark matter and is crucial to infer cosmological parameters. The Legacy Survey of Space and Time (LSST) is pred…

astro-ph.GA2023★ 18 cited

Hierarchical structure of the cosmic web and galaxy properties

Mariana Jaber, Marius Peper, Wojciech A. Hellwing +2

Voids possess a very complex internal structure and dynamics. Using -body simulations we study the hierarchical nature of sub-structures present in the cosmic web (CW). We use t…

astro-ph.GA2022★ 5 cited

Concurrent infall of satellites: Collective effects changing the overall picture

A. Trelles, O. Valenzuela, S. Roca-Fábrega +1

A variety of new physical processes have proven to play an important role in orbital decay of a satellite galaxy embedded inside a dark matter halo but this is not fully understood…

astro-ph.GA2022★ 12 cited

SDSS-IV MaNGA: The MaNGA Dwarf Galaxy Sample

M. Cano-Díaz, H. M. Hernández-Toledo, A. Rodríguez-Puebla +10

We present the MaNGA Dwarf galaxy, MaNDala, Value-Added-Catalog, VAC, from the final release of the Sloan Digital Sky Survey-IV program. MaNDala consists of 136 randomly selected b…

astro-ph.GA2022★ 6 cited

The Lockman-SpReSO project. Description, target selection, observations and preliminary results

M. González-Otero, C. P. Padilla-Torres, J. Cepa +26

Context. Extragalactic surveys are a key tool for better understanding the evolution of galaxies. Both deep and wide-field surveys serve to provide a clearer emerging picture of th…