A Multimessenger Strategy for Downselecting the Orientations of Galactic Close White Dwarf Binaries
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arXiv
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| Format: | Preprint |
| Publié: |
2025
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| _version_ | 1866913985261993984 |
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| author | Seto, Naoki |
| author_facet | Seto, Naoki |
| contents | The planned space-based gravitational wave detector, LISA, will provide a fundamentally new means of studying the orbital alignment of close white dwarf binaries. However, due to the inherent symmetry of their gravitational wave signals, a fourfold degeneracy arises in the transverse projections of their angular momentum vectors. In this paper, we demonstrate that by incorporating timing information from electromagnetic observations, such as radial velocity modulations and light curves, this degeneracy can be reduced to twofold. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_01250 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | A Multimessenger Strategy for Downselecting the Orientations of Galactic Close White Dwarf Binaries Seto, Naoki General Relativity and Quantum Cosmology High Energy Astrophysical Phenomena The planned space-based gravitational wave detector, LISA, will provide a fundamentally new means of studying the orbital alignment of close white dwarf binaries. However, due to the inherent symmetry of their gravitational wave signals, a fourfold degeneracy arises in the transverse projections of their angular momentum vectors. In this paper, we demonstrate that by incorporating timing information from electromagnetic observations, such as radial velocity modulations and light curves, this degeneracy can be reduced to twofold. |
| title | A Multimessenger Strategy for Downselecting the Orientations of Galactic Close White Dwarf Binaries |
| topic | General Relativity and Quantum Cosmology High Energy Astrophysical Phenomena |
| url | https://arxiv.org/abs/2507.01250 |