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Astrophysics > Instrumentation and Methods for Astrophysics

arXiv:2507.12611 (astro-ph)
[Submitted on 16 Jul 2025 ]

Title: Astro-MoE: Mixture of Experts for Multiband Astronomical Time Series

Title: Astro-MoE:多波段天文学时间序列的专家混合

Authors:Martina Cádiz-Leyton, Guillermo Cabrera-Vives, Pavlos Protopapas, Daniel Moreno-Cartagena, Ignacio Becker
Abstract: Multiband astronomical time series exhibit heterogeneous variability patterns, sampling cadences, and signal characteristics across bands. Standard transformers apply shared parameters to all bands, potentially limiting their ability to model this rich structure. In this work, we introduce Astro-MoE, a foundational transformer architecture that enables dynamic processing via a Mixture of Experts module. We validate our model on both simulated (ELAsTiCC-1) and real-world datasets (Pan-STARRS1).
Abstract: 多波段天文学时间序列在不同波段上表现出异质的变异性模式、采样频率和信号特征。 标准变换器对所有波段应用共享参数,这可能会限制其建模这种丰富结构的能力。 在本工作中,我们引入了Astro-MoE,这是一种基础变换器架构,通过专家混合模块实现动态处理。 我们在模拟数据(ELAsTiCC-1)和真实数据集(Pan-STARRS1)上验证了我们的模型。
Comments: Accepted at the 2025 Workshop on Machine Learning for Astrophysics
Subjects: Instrumentation and Methods for Astrophysics (astro-ph.IM)
Cite as: arXiv:2507.12611 [astro-ph.IM]
  (or arXiv:2507.12611v1 [astro-ph.IM] for this version)
  https://doi.org/10.48550/arXiv.2507.12611
arXiv-issued DOI via DataCite

Submission history

From: Martina Cádiz-Leyton [view email]
[v1] Wed, 16 Jul 2025 20:06:40 UTC (313 KB)
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