Argus: JAX state-space filtering for gravitational wave detection with a pulsar timing array
Fuente:
arXiv
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| Autores principales: | , , , |
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| Formato: | Preprint |
| Publicado: |
2025
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| Acceso en línea: | |
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| _version_ | 1866912644344053760 |
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| author | Kimpson, Tom O'Neill, Nicholas J. Meyers, Patrick M. Melatos, Andrew |
| author_facet | Kimpson, Tom O'Neill, Nicholas J. Meyers, Patrick M. Melatos, Andrew |
| contents | Argus is a high-performance Python package for detecting and characterising nanohertz gravitational waves in pulsar timing array data. The package provides a complete Bayesian inference framework based on state-space models, using Kalman filtering for efficient likelihood evaluation. Argus leverages JAX for just-in-time compilation, GPU acceleration, and automatic differentiation, facilitating rapid Bayesian inference with gradient-based samplers. The state-space approach provides a computationally efficient alternative to traditional frequency-domain methods, offering linear scaling with the number of pulse times-of-arrival, and natural handling of non-stationary processes. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_11077 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Argus: JAX state-space filtering for gravitational wave detection with a pulsar timing array Kimpson, Tom O'Neill, Nicholas J. Meyers, Patrick M. Melatos, Andrew Instrumentation and Methods for Astrophysics Argus is a high-performance Python package for detecting and characterising nanohertz gravitational waves in pulsar timing array data. The package provides a complete Bayesian inference framework based on state-space models, using Kalman filtering for efficient likelihood evaluation. Argus leverages JAX for just-in-time compilation, GPU acceleration, and automatic differentiation, facilitating rapid Bayesian inference with gradient-based samplers. The state-space approach provides a computationally efficient alternative to traditional frequency-domain methods, offering linear scaling with the number of pulse times-of-arrival, and natural handling of non-stationary processes. |
| title | Argus: JAX state-space filtering for gravitational wave detection with a pulsar timing array |
| topic | Instrumentation and Methods for Astrophysics |
| url | https://arxiv.org/abs/2510.11077 |