Six-Class BPT Galaxy Classification for Survey-Scale AGN Candidate Prioritization: Deep Tabular Model and Informative Missingness Signals

arXiv:2607.09865 · astro-ph.GA · Submitted 2026-07-10 · Read on arXiv

Shanquan Gui

astro-ph.GA

Submitted: 2026-07-10

Comments: 12 pages,16 figures, submitted to A&A

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• AGN — 90× in this paper · explained in 1 episode
• Transformer — 25× in this paper · explained in 2 episodes
• Ablation — 23× in this paper · explained in 1 episode
• AUC — 19× in this paper · explained in 2 episodes
• F1 Score — 16× in this paper · explained in 3 episodes
• Accuracy — 8× in this paper · explained in 1 episode
• Abundance — 3× in this paper · explained in 1 episode
• Metallicity — 3× in this paper · explained in 3 episodes
• Benchmark — 2× in this paper · explained in 2 episodes
• Information Leakage — 2× in this paper · explained in 2 episodes
• Max Planck Institute for Astrophysics — 2× in this paper
• Tokenization — 2× in this paper · explained in 2 episodes
• Transferability — 2× in this paper · explained in 4 episodes
• Adjacency Matrix — 1× in this paper · explained in 1 episode
• Aggregation — 1× in this paper · explained in 1 episode
• Calibration — 1× in this paper · explained in 7 episodes
• Embeddings — 1× in this paper · explained in 2 episodes
• Feature Engineering — 1× in this paper · explained in 3 episodes
• Feature Extraction — 1× in this paper · explained in 2 episodes
• Generalizability — 1× in this paper · explained in 6 episodes
• Latent Representation — 1× in this paper · explained in 2 episodes
• Latent Representations — 1× in this paper · explained in 3 episodes
• Sloan Digital Sky Survey — 1× in this paper
• Trace — 1× in this paper · explained in 2 episodes
• Transformer Architecture — 1× in this paper · explained in 2 episodes

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