Searching for kilonova with the SiTian prototype telescope
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arXiv
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| Main Authors: | , , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866910901755445248 |
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| author | Li, Zhirui Gu, Hongrui Sun, Yongkang Huang, Yang Lu, Youjun Liu, Jifeng |
| author_facet | Li, Zhirui Gu, Hongrui Sun, Yongkang Huang, Yang Lu, Youjun Liu, Jifeng |
| contents | We simulate the optical searching of gravitational-wave electromagnetic counterpart of the binary neutron star (BNS) merger event (i.e., a kilonova) using the ground based {\it SiTian} project prototype telescope with a 5-min limiting magnitude of 22.0, triggered by LIGO and Virgo gravitational wave detectors during the ongoing O4 run. Our simulations show that an average of 0.17-0.25 kilonova events can be observed over the entire O4 period of $\sim 2$ years in the most optimistic case we set, while no kilonova can be detected in other cases. We note that it is beneficial for {\it SiTian}'s kilonova searching by extending the exposure time to gain deeper limiting magnitude despite the rapid decline of kilonova luminosity. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2504_01614 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Searching for kilonova with the SiTian prototype telescope Li, Zhirui Gu, Hongrui Sun, Yongkang Huang, Yang Lu, Youjun Liu, Jifeng High Energy Astrophysical Phenomena General Relativity and Quantum Cosmology We simulate the optical searching of gravitational-wave electromagnetic counterpart of the binary neutron star (BNS) merger event (i.e., a kilonova) using the ground based {\it SiTian} project prototype telescope with a 5-min limiting magnitude of 22.0, triggered by LIGO and Virgo gravitational wave detectors during the ongoing O4 run. Our simulations show that an average of 0.17-0.25 kilonova events can be observed over the entire O4 period of $\sim 2$ years in the most optimistic case we set, while no kilonova can be detected in other cases. We note that it is beneficial for {\it SiTian}'s kilonova searching by extending the exposure time to gain deeper limiting magnitude despite the rapid decline of kilonova luminosity. |
| title | Searching for kilonova with the SiTian prototype telescope |
| topic | High Energy Astrophysical Phenomena General Relativity and Quantum Cosmology |
| url | https://arxiv.org/abs/2504.01614 |