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astro-ph.GA2025
DiffstarPop: A generative physical model of galaxy star formation history
Alex Alarcon, Andrew P. Hearin, Matthew R. Becker +3
We present DiffstarPop, a differentiable forward model of cosmological populations of galaxy star formation histories (SFH). In the model, individual galaxy SFH is parametrized by…
astro-ph.GA2025★ 1 cited
Bayesian Posteriors with Stellar Population Synthesis on GPUs
Georgios Zacharegkas, Andrew Hearin, Andrew Benson
Models of Stellar Population Synthesis (SPS) provide a predictive framework for the spectral energy distribution (SED) of a galaxy. SPS predictions can be computationally intensive…