DESI Data Release 1: Stellar Catalogue

arXiv:2505.14787 · astro-ph.GA · Submitted 2025-05-20 · Read on arXiv

astro-ph.GA

Submitted: 2025-05-20

Updated: 2026-08-28

Code: https://github.com/desimilkyway/dr1_tutorials

Terminology

• Abundance — 51× in this paper · explained in 1 episode
• Metallicity — 32× in this paper · explained in 3 episodes
• Calibration — 21× in this paper · explained in 7 episodes
• Value-Added Catalogue — 11× in this paper
• Accuracy — 8× in this paper · explained in 1 episode
• Adam — 2× in this paper · explained in 2 episodes
• Clustering — 2× in this paper · explained in 2 episodes
• Department of Energy — 2× in this paper
• Dark Energy Spectroscopic Instrument — 1× in this paper
• Early Data Release — 1× in this paper
• European Space Agency — 1× in this paper
• National Science Foundation — 1× in this paper
• Robustness — 1× in this paper · explained in 5 episodes
• Systematic Bias — 1× in this paper · explained in 3 episodes
• alpha — 1× in this paper · explained in 1 episode

Sources

• The Cocytos Stream: A Disrupted Globular Cluster from our Last Major Merger?
• The DESI Experiment Part I: Science,Targeting, and Survey Design
• The DESI Experiment Part II: Instrument Design
• Data Release 1 of the Dark Energy Spectroscopic Instrument
• The Backup Program of the Dark Energy Spectroscopic Instrument's Milky Way Survey
• Adam: A Method for Stochastic Optimization
• SDSS-V: Pioneering Panoptic Spectroscopy
• The DESI Y1 RR Lyrae catalog I: Empirical modeling of the cyclic variation of spectroscopic properties and a chemodynamical analysis of the outer halo
• 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
• PyTorch: An Imperative Style, High-Performance Deep Learning Library

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• MEGATRON: how the first stars can create an iron metallicity plateau in the smallest dwarf galaxies