Revealing the nature of long-period transients with space-based gravitational-wave interferometers
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| Format: | Preprint |
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2025
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| _version_ | 1866915482399932416 |
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| author | Suvorov, Arthur G. Dehman, Clara Pons, José A. |
| author_facet | Suvorov, Arthur G. Dehman, Clara Pons, José A. |
| contents | A few members of the recently discovered class of long-period transients have been identified as binaries with white-dwarf primaries. In most cases, however, electromagnetic data are inconclusive, and isolated magnetars or compact binaries remain viable. If the pulsation period matches that of the orbit -- as is the case for ILT J1101+5521 and GLEAM-X J0704--37 -- some of these elusive radio transients could be gravitational-wave bright in the mHz band. Space-based interferometers could thus be used to provide independent constraints on their nature. We quantify the signal-to-noise ratio for the known systems under various scenarios and show that a few could be detectable for sufficiently large chirp masses. Astrophysical implications for (non)detections are discussed. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2505_06125 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Revealing the nature of long-period transients with space-based gravitational-wave interferometers Suvorov, Arthur G. Dehman, Clara Pons, José A. High Energy Astrophysical Phenomena General Relativity and Quantum Cosmology High Energy Physics - Phenomenology A few members of the recently discovered class of long-period transients have been identified as binaries with white-dwarf primaries. In most cases, however, electromagnetic data are inconclusive, and isolated magnetars or compact binaries remain viable. If the pulsation period matches that of the orbit -- as is the case for ILT J1101+5521 and GLEAM-X J0704--37 -- some of these elusive radio transients could be gravitational-wave bright in the mHz band. Space-based interferometers could thus be used to provide independent constraints on their nature. We quantify the signal-to-noise ratio for the known systems under various scenarios and show that a few could be detectable for sufficiently large chirp masses. Astrophysical implications for (non)detections are discussed. |
| title | Revealing the nature of long-period transients with space-based gravitational-wave interferometers |
| topic | High Energy Astrophysical Phenomena General Relativity and Quantum Cosmology High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2505.06125 |