activity
20242026
most citedExploring the interaction between the MW and LMC with a large sample of blue horizontal branch stars from the DESI survey

18 citations · 60 across the 14 of their papers we have counts for

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Showing 2025 · astro-ph.GAShow all

5 papers · 2 filters

astro-ph.GA2025★ 5 cited

Nearby stellar substructures in the Galactic halo from DESI Milky Way Survey Year 1 Data Release

Bokyoung Kim, Sergey E. Koposov, Ting S. Li +41

We report five nearby ( kpc) stellar substructures in the Galactic halo from a subset of 138,661 stars in the Dark Energy Spectroscopic Instrument (DESI) Mi…

astro-ph.GA2025★ 12 cited

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★ 1 cited

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★ 1 cited

The Cocytos Stream: A Disrupted Globular Cluster from our Last Major Merger?

Christian Aganze, Vedant Chandra, Risa H. Wechsler +48

The census of stellar streams and dwarf galaxies in the Milky Way provides direct constraints on galaxy formation models and the nature of dark matter. The DESI Milky Way survey --…

astro-ph.GA2025

SpecDis: Value added distance catalogue for 4 million stars from DESI Year-1 data

Songting Li, Wenting Wang, Sergey E. Koposov +55

We present the SpecDis value added stellar distance catalog accompanying DESI DR1. SpecDis trains a feed-forward Neural Network (NN) with Gaia parallaxes and gets the distance esti…