Multi-Instrument Search for Gamma-Ray Counterpart of X-ray Transients detected by EP/WXT
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arXiv
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| Autores principales: | , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Formato: | Preprint |
| Publicado: |
2025
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| author | Zhang, Yan-Qiu Xue, Wang-Chen Zhang, Jin-Peng Cai, Ce Xiong, Shao-Lin Li, Cheng-Kui Liu, Yuan Wang, Chen-Wei Guo, Hao-Xuan Xiao, Shuo Tan, Wen-Jun Zheng, Chao Liu, Jia-Cong Xie, Sheng-Lun Zhang, Peng Zhang, Wen-Long Wang, Yue Yu, Zheng-Hang Ren, Yang-Zhao Wang, Ping Huang, Yue Li, Xiao-Bo Zhao, Xiao-Yun Zheng, Shi-Jie Zhang, Zhen Yi, Shu-Xu Song, Li-Ming Zhang, Shuang-Nan |
| author_facet | Zhang, Yan-Qiu Xue, Wang-Chen Zhang, Jin-Peng Cai, Ce Xiong, Shao-Lin Li, Cheng-Kui Liu, Yuan Wang, Chen-Wei Guo, Hao-Xuan Xiao, Shuo Tan, Wen-Jun Zheng, Chao Liu, Jia-Cong Xie, Sheng-Lun Zhang, Peng Zhang, Wen-Long Wang, Yue Yu, Zheng-Hang Ren, Yang-Zhao Wang, Ping Huang, Yue Li, Xiao-Bo Zhao, Xiao-Yun Zheng, Shi-Jie Zhang, Zhen Yi, Shu-Xu Song, Li-Ming Zhang, Shuang-Nan |
| contents | As a soft X-ray imager with unprecedentedly large field of view, EP/WXT has detected many (fast) X-ray transients, whose nature is very intriguing. Whether there is gamma-ray counterpart for the X-ray transient provides important implications for its origin. Some of them have been reported to be associated with GRB, however, a systematic study on the gamma-ray emission of these X-ray transients is lacking. In this work, we implemented a comprehensive targeted search for gamma-ray counterparts to 63 X-ray transients reported by EP/WXT during its first year of operation, using the dedicated multiple-instrument search pipeline, ETJASMIN, with GECAM-B, GECAM-C, Fermi/GBM, and \textit{Insight}-HXMT data. We find that 14 out of 63 (22\%) EP/WXT X-ray transients have gamma-ray counterparts. For other transients, ETJASMIN pipeline provided upper limit of gamma-ray emission, which is more stringent than that given by individual instrument. Moreover, we investigated the properties of the X-ray transients and their gamma-ray counterparts, and explored the relation between the x-ray transient and gamma-ray counterpart. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_05920 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Multi-Instrument Search for Gamma-Ray Counterpart of X-ray Transients detected by EP/WXT Zhang, Yan-Qiu Xue, Wang-Chen Zhang, Jin-Peng Cai, Ce Xiong, Shao-Lin Li, Cheng-Kui Liu, Yuan Wang, Chen-Wei Guo, Hao-Xuan Xiao, Shuo Tan, Wen-Jun Zheng, Chao Liu, Jia-Cong Xie, Sheng-Lun Zhang, Peng Zhang, Wen-Long Wang, Yue Yu, Zheng-Hang Ren, Yang-Zhao Wang, Ping Huang, Yue Li, Xiao-Bo Zhao, Xiao-Yun Zheng, Shi-Jie Zhang, Zhen Yi, Shu-Xu Song, Li-Ming Zhang, Shuang-Nan High Energy Astrophysical Phenomena As a soft X-ray imager with unprecedentedly large field of view, EP/WXT has detected many (fast) X-ray transients, whose nature is very intriguing. Whether there is gamma-ray counterpart for the X-ray transient provides important implications for its origin. Some of them have been reported to be associated with GRB, however, a systematic study on the gamma-ray emission of these X-ray transients is lacking. In this work, we implemented a comprehensive targeted search for gamma-ray counterparts to 63 X-ray transients reported by EP/WXT during its first year of operation, using the dedicated multiple-instrument search pipeline, ETJASMIN, with GECAM-B, GECAM-C, Fermi/GBM, and \textit{Insight}-HXMT data. We find that 14 out of 63 (22\%) EP/WXT X-ray transients have gamma-ray counterparts. For other transients, ETJASMIN pipeline provided upper limit of gamma-ray emission, which is more stringent than that given by individual instrument. Moreover, we investigated the properties of the X-ray transients and their gamma-ray counterparts, and explored the relation between the x-ray transient and gamma-ray counterpart. |
| title | Multi-Instrument Search for Gamma-Ray Counterpart of X-ray Transients detected by EP/WXT |
| topic | High Energy Astrophysical Phenomena |
| url | https://arxiv.org/abs/2506.05920 |