JAX-bandflux: differentiable supernovae SALT modelling for cosmological analysis on GPUs

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1. Verfasser: Leeney, Samuel Alan Kossoff
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Veröffentlicht: 2025
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author Leeney, Samuel Alan Kossoff
author_facet Leeney, Samuel Alan Kossoff
contents JAX-bandflux is a JAX implementation of critical supernova modelling functionality for cosmological analysis. The codebase implements key components of the established library SNCosmo in a differentiable framework, offering efficient parallelisation and gradient-based optimisation capabilities through GPU acceleration. The package facilitates differentiable computation of supernova light curve measurements, supporting the inference of SALT parameters necessary for cosmological analysis.
format Preprint
id arxiv_https___arxiv_org_abs_2504_08081
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle JAX-bandflux: differentiable supernovae SALT modelling for cosmological analysis on GPUs
Leeney, Samuel Alan Kossoff
Instrumentation and Methods for Astrophysics
Cosmology and Nongalactic Astrophysics
JAX-bandflux is a JAX implementation of critical supernova modelling functionality for cosmological analysis. The codebase implements key components of the established library SNCosmo in a differentiable framework, offering efficient parallelisation and gradient-based optimisation capabilities through GPU acceleration. The package facilitates differentiable computation of supernova light curve measurements, supporting the inference of SALT parameters necessary for cosmological analysis.
title JAX-bandflux: differentiable supernovae SALT modelling for cosmological analysis on GPUs
topic Instrumentation and Methods for Astrophysics
Cosmology and Nongalactic Astrophysics
url https://arxiv.org/abs/2504.08081