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astro-ph.IM2026
Armillary: A Label-Free Coordinate System for Stellar Spectra
Yuan-Sen Ting, Serat Saad
A stellar spectrum is determined by a few parameters, so a set of spectra lies on a low-dimensional manifold with those parameters as its coordinates. We introduce Armillary, which…
astro-ph.IM2026
More than half of recent astronomy papers are written with language-model assistance
Serat M. Saad, Yuan-Sen Ting
Language models leave a distinctive vocabulary in the prose they help write, and we measure how much of the astronomy literature now carries it. From the full text of 207,111 astro…
astro-ph.IM2025
Egent: An Autonomous Agent for Equivalent Width Measurement
Yuan-Sen Ting, Serat Mahmud Saad, Fan Liu +1
We present Egent, an autonomous agent that combines classical multi-Voigt profile fitting with large language model (LLM) visual inspection and iterative refinement. The fitting en…