The Chandra-Gaia Catalog of Counterparts: Resolving ambiguous Gaia matches to X-ray sources in the Chandra Source Catalog using Machine Learning

arXiv:2606.19329 · astro-ph.IM, cs.LG · Submitted 2026-06-17 · Read on arXiv

astro-ph.IM, cs.LG

Submitted: 2026-06-17

Updated: 2026-09-23

Code: https://github.com/JohannesBuchner/nway

Terminology

Chandra Source Catalog — 14× in this paper
Verification — 4× in this paper · explained in 2 episodes
AUC — 3× in this paper · explained in 2 episodes
Accuracy — 2× in this paper · explained in 1 episode
Chandra Orion Ultradeep Project — 2× in this paper
Chandra X-ray Center — 2× in this paper
Generalization — 2× in this paper · explained in 13 episodes
Receiver Operating Characteristic — 2× in this paper
AGN — 1× in this paper · explained in 1 episode
Active Galactic Nuclei (AGN) — 1× in this paper · explained in 1 episode
Bayesian Framework — 1× in this paper · explained in 3 episodes
CSC Positional Error — 1× in this paper
Clustering — 1× in this paper · explained in 2 episodes
European Space Agency — 1× in this paper
F1 Score — 1× in this paper · explained in 3 episodes
Feature Selection — 1× in this paper · explained in 4 episodes
Model-Agnostic — 1× in this paper · explained in 2 episodes
Robustness — 1× in this paper · explained in 5 episodes

Sources

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