spot self-absorption notches in hydrogen spectra by clicking the velocity range, or mark clean if there's none. the page reveals the ground truth and scores you against the paper's 96.5% benchmark. the spectra are physically plausible: broad humps minus narrow absorbing dips plus noise
arxiv.org
Detecting HI Self-Absorption using Neural Networks
arXiv:2609.38042 · astro-ph.IM