3 papers
astro-ph.SR2026
A Generalist Model Including Evolved Star Mass and Age
Mengmeng Zhang, Yude Bu, Siqi Wang +10
Determining precise stellar ages and masses for evolved giants is crucial for Galactic archaeology but challenged by spectral degeneracies. Gaia's low-resolution XP spectra offer a…
astro-ph.IM2026
PhysFormer: A Physics-Embedded Generative Model for Physically Self-Consistent Spectral Synthesis
Siqi Wang, Mengmeng Zhang, Yude Bu +1
In scientific and engineering domains, modeling high-dimensional complex systems governed by partial differential equations (PDEs) remains challenging in terms of physical consiste…
astro-ph.SR2024
SPT: Spectral Transformer for Red Giant Stars Age and Mass Estimation
Mengmeng Zhang, Fan Wu, Yude Bu +4
The age and mass of red giants are essential for understanding the structure and evolution of the Milky Way. Traditional isochrone methods for these estimations are inherently limi…