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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2604.18992 |
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| _version_ | 1866913050789937152 |
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| author | Jiang, Yang Huang, Qing-Guo |
| author_facet | Jiang, Yang Huang, Qing-Guo |
| contents | The stochastic gravitational wave background in the mHz band is a key target for future spaceborne interferometers. Detecting such a signal presents multiple challenges for data processing, especially complicated by the presence of numerous compact binaries in our galaxy. The superposition of gravitational waves from their inspiral stages creates a confusion foreground that need to be estimated accurately. In this work, we derive the variation in the intensity of detector response to this foreground by analyzing the spatial distribution of binary systems. Subsequently, we search for an injected stochastic background using the modeled foreground within Taiji Data Challenge II. With some assumptions about the statistical properties of foreground, the results show that the approach of describing foreground based on the population properties of resolved Galactic binaries can yield preliminary feasible results. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_18992 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Estimating galactic foreground with the population of resolved galactic binaries Jiang, Yang Huang, Qing-Guo Cosmology and Nongalactic Astrophysics General Relativity and Quantum Cosmology The stochastic gravitational wave background in the mHz band is a key target for future spaceborne interferometers. Detecting such a signal presents multiple challenges for data processing, especially complicated by the presence of numerous compact binaries in our galaxy. The superposition of gravitational waves from their inspiral stages creates a confusion foreground that need to be estimated accurately. In this work, we derive the variation in the intensity of detector response to this foreground by analyzing the spatial distribution of binary systems. Subsequently, we search for an injected stochastic background using the modeled foreground within Taiji Data Challenge II. With some assumptions about the statistical properties of foreground, the results show that the approach of describing foreground based on the population properties of resolved Galactic binaries can yield preliminary feasible results. |
| title | Estimating galactic foreground with the population of resolved galactic binaries |
| topic | Cosmology and Nongalactic Astrophysics General Relativity and Quantum Cosmology |
| url | https://arxiv.org/abs/2604.18992 |