activity
20242026
collaborators

7 papers

astro-ph.SR2026

The DESI Data Release 1 white dwarf catalogue

Andrew Swan, Boris T. Gänsicke, Paula Izquierdo +49

The Dark Energy Spectroscopic Instrument is conducting a redshift survey, mapping the universe in three dimensions to measure the history of cosmic expansion. As well as extragalac…

astro-ph.GA2025

DESI Data Release 1: Stellar Catalogue

Sergey E. Koposov, Ting S. Li, C. Allende Prieto +65

In this paper we present the stellar Value-Added Catalogue (VAC) based on the DESI Data Release 1. This VAC contains stellar parameter, abundance and radial velocity measurements f…

astro-ph.GA2025

The DESI Y1 RR Lyrae catalog II: The metallicity dependency of pulsational properties, the shape of the RR Lyrae instability strip, and metal rich RR Lyrae

Gustavo E. Medina, Ting S. Li, C. Allende Prieto +39

RR Lyrae stars (RRLs) are valuable probes of both Milky Way assembly and stellar-evolution physics. Using a sample 6,240 RRLs obtained in the first year of the Dark Energy Spectros…

astro-ph.GA2025

The DESI Y1 RR Lyrae catalog I: Empirical modeling of the cyclic variation of spectroscopic properties and a chemodynamical analysis of the outer halo

Gustavo E. Medina, Ting S. Li, Sergey E. Koposov +44

We present the catalog of RR Lyrae stars (RRLs) observed in the first year of operations of the Dark Energy Spectroscopic Instrument (DESI) survey. This catalog contains 6,240 RRLs…

astro-ph.CO2025

Data Release 1 of the Dark Energy Spectroscopic Instrument

DESI Collaboration, M. Abdul Karim, A. G. Adame +306

In 2021 May the Dark Energy Spectroscopic Instrument (DESI) collaboration began a 5-year spectroscopic redshift survey to produce a detailed map of the evolving three-dimensional s…

astro-ph.GA2024

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…