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| Format: | Preprint |
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2024
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| Online Access: | https://arxiv.org/abs/2404.16425 |
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| _version_ | 1866929327435677696 |
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| author | Liu, Y. Sun, H. Xu, D. Svinkin, D. S. Delaunay, J. Tanvir, N. R. Gao, H. Zhang, C. Chen, Y. Wu, X. -F. Zhang, B. Yuan, W. An, J. Bruni, G. Frederiks, D. D. Ghirlanda, G. Hu, J. -W. Li, A. Li, C. -K. Li, J. -D. Malesani, D. B. Piro, L. Raman, G. Ricci, R. Troja, E. Vergani, S. D. Wu, Q. -Y. Yang, J. Zhang, B. -B. Zhu, Z. -P. Postigo, A. de Ugarte Demin, A. G. Dobie, D. Fan, Z. Fu, S. -Y. Fynbo, J. P. U. Geng, J. -J. Gianfagna, G. Hu, Y. -D. Huang, Y. -F. Jiang, S. -Q. Jonker, P. G. Julakanti, Y. Kennea, J. A. Kokomov, A. A. Kuulkers, E. Lei, W. -H. Leung, J. K. Levan, A. J. Li, D. -Y. Li, Y. Littlefair, S. P. Liu, X. Lysenko, A. L. Ma, Y. -N. Martin-Carrillo, A. O'Brien, P. Parsotan, T. Quirola-Vasquez, J. Ridnaia, A. V. Ronchini, S. Rossi, A. Mata-Sanchez, D. Schneider, B. Shen, R. -F. Thakur, A. L. Tohuvavohu, A. Torres, M. A. P. Tsvetkova, A. E. Ulanov, M. V. Wei, J. -J. Xiao, D. Yin, Y. -H. I. Bai, M. Burwitz, V. Cai, Z. -M. Chen, F. -S. Chen, H. -L. Chen, T. -X. Chen, W. Chen, Y. -F. Chen, Y. -H. Cheng, H. -Q. Cui, C. -Z. Cui, W. -W. Dai, Y. -F. Dai, Z. -G. Eder, J. Fan, D. -W. Feldman, C. Feng, H. Feng, Z. Friedrich, P. Gao, X. Guan, J. Han, D. -W Han, J. Hou, D. -J. Hu, H. -B. Hu, T. Huang, M. -H. Huo, J. Hutchinson, I. Ji, Z. Jia, S. -M. Jia, Z. -Q. Jiang, B. -W. Jin, C. -C. Jin, G. Jin, J. -J. Keereman, A. Lerman, H. Li, J. -F. Li, L. -H. Li, M. -S. Li, W. Li, Z. -D. Lian, T. -Y. Liang, E. -W. Ling, Z. -X. Liu, C. -Z. Liu, H. -Y. Liu, H. -Q. Liu, M. -J. Liu, Y. -R. Lu, F. -J. LU, H. -J. Luo, L. -D. Ma, F. L. Ma, J. Mao, J. -R. Mao, X. McHugh, M. Meidinger, N. Nandra, K. Osborne, J. P. Pan, H. -W. Pan, X. Ravasio, M. E. Rau, A. Rea, N. Rehman, U. Sanders, J. Santovincenzo, A. Song, L. -M. Su, J. Sun, L. -J. Sun, S. -L. Sun, X. -J. Tan, Y. -Y. Tang, Q. -J. Tao, Y. -H. Tong, J. -Z. Wang, H. Wang, J. Wang, L. Wang, W. -X. Wang, X. -F. Wang, X. -Y. Wang, Y. -L. Wang, Y. -S. Wei, D. -M. Willingale, R. Xiong, S. -L. Xu, H. -T. Xu, J. -J. Xu, X. -P. Xu, Y. -F. Xu, Z. Xue, C. -B. Xue, Y. -L. Yan, A. -L. Yang, F. Yang, H. -N. Yang, X. -T. Yang, Y. -J Yu, Y. -W. Zhang, J. Zhang, M. Zhang, S. -N. Zhang, W. -D. Zhang, W. -J. Zhang, Y. -H. Zhang, Z. Zhang, Z. Zhang, Z. -L. Zhao, D. -H. Zhao, H. -S. Zhao, X. -F. Zhao, Z. -J. Zhou, L. -X. Zhou, Y. -L. Zhu, Y. -X. Zhu, Z. -C. Zuo, X. -X. |
| author_facet | Liu, Y. Sun, H. Xu, D. Svinkin, D. S. Delaunay, J. Tanvir, N. R. Gao, H. Zhang, C. Chen, Y. Wu, X. -F. Zhang, B. Yuan, W. An, J. Bruni, G. Frederiks, D. D. Ghirlanda, G. Hu, J. -W. Li, A. Li, C. -K. Li, J. -D. Malesani, D. B. Piro, L. Raman, G. Ricci, R. Troja, E. Vergani, S. D. Wu, Q. -Y. Yang, J. Zhang, B. -B. Zhu, Z. -P. Postigo, A. de Ugarte Demin, A. G. Dobie, D. Fan, Z. Fu, S. -Y. Fynbo, J. P. U. Geng, J. -J. Gianfagna, G. Hu, Y. -D. Huang, Y. -F. Jiang, S. -Q. Jonker, P. G. Julakanti, Y. Kennea, J. A. Kokomov, A. A. Kuulkers, E. Lei, W. -H. Leung, J. K. Levan, A. J. Li, D. -Y. Li, Y. Littlefair, S. P. Liu, X. Lysenko, A. L. Ma, Y. -N. Martin-Carrillo, A. O'Brien, P. Parsotan, T. Quirola-Vasquez, J. Ridnaia, A. V. Ronchini, S. Rossi, A. Mata-Sanchez, D. Schneider, B. Shen, R. -F. Thakur, A. L. Tohuvavohu, A. Torres, M. A. P. Tsvetkova, A. E. Ulanov, M. V. Wei, J. -J. Xiao, D. Yin, Y. -H. I. Bai, M. Burwitz, V. Cai, Z. -M. Chen, F. -S. Chen, H. -L. Chen, T. -X. Chen, W. Chen, Y. -F. Chen, Y. -H. Cheng, H. -Q. Cui, C. -Z. Cui, W. -W. Dai, Y. -F. Dai, Z. -G. Eder, J. Fan, D. -W. Feldman, C. Feng, H. Feng, Z. Friedrich, P. Gao, X. Guan, J. Han, D. -W Han, J. Hou, D. -J. Hu, H. -B. Hu, T. Huang, M. -H. Huo, J. Hutchinson, I. Ji, Z. Jia, S. -M. Jia, Z. -Q. Jiang, B. -W. Jin, C. -C. Jin, G. Jin, J. -J. Keereman, A. Lerman, H. Li, J. -F. Li, L. -H. Li, M. -S. Li, W. Li, Z. -D. Lian, T. -Y. Liang, E. -W. Ling, Z. -X. Liu, C. -Z. Liu, H. -Y. Liu, H. -Q. Liu, M. -J. Liu, Y. -R. Lu, F. -J. LU, H. -J. Luo, L. -D. Ma, F. L. Ma, J. Mao, J. -R. Mao, X. McHugh, M. Meidinger, N. Nandra, K. Osborne, J. P. Pan, H. -W. Pan, X. Ravasio, M. E. Rau, A. Rea, N. Rehman, U. Sanders, J. Santovincenzo, A. Song, L. -M. Su, J. Sun, L. -J. Sun, S. -L. Sun, X. -J. Tan, Y. -Y. Tang, Q. -J. Tao, Y. -H. Tong, J. -Z. Wang, H. Wang, J. Wang, L. Wang, W. -X. Wang, X. -F. Wang, X. -Y. Wang, Y. -L. Wang, Y. -S. Wei, D. -M. Willingale, R. Xiong, S. -L. Xu, H. -T. Xu, J. -J. Xu, X. -P. Xu, Y. -F. Xu, Z. Xue, C. -B. Xue, Y. -L. Yan, A. -L. Yang, F. Yang, H. -N. Yang, X. -T. Yang, Y. -J Yu, Y. -W. Zhang, J. Zhang, M. Zhang, S. -N. Zhang, W. -D. Zhang, W. -J. Zhang, Y. -H. Zhang, Z. Zhang, Z. Zhang, Z. -L. Zhao, D. -H. Zhao, H. -S. Zhao, X. -F. Zhao, Z. -J. Zhou, L. -X. Zhou, Y. -L. Zhu, Y. -X. Zhu, Z. -C. Zuo, X. -X. |
| contents | Long gamma-ray bursts (GRBs) are believed to originate from core collapse of massive stars. High-redshift GRBs can probe the star formation and reionization history of the early universe, but their detection remains rare. Here we report the detection of a GRB triggered in the 0.5--4 keV band by the Wide-field X-ray Telescope (WXT) on board the Einstein Probe (EP) mission, designated as EP240315a, whose bright peak was also detected by the Swift Burst Alert Telescope and Konus-Wind through off-line analyses. At a redshift of $z=4.859$, EP240315a showed a much longer and more complicated light curve in the soft X-ray band than in gamma-rays. Benefiting from a large field-of-view ($\sim$3600 deg$^2$) and a high sensitivity, EP-WXT captured the earlier engine activation and extended late engine activity through a continuous detection. With a peak X-ray flux at the faint end of previously known high-$z$ GRBs, the detection of EP240315a demonstrates the great potential for EP to study the early universe via GRBs. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2404_16425 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Soft X-ray prompt emission from a high-redshift gamma-ray burst EP240315a Liu, Y. Sun, H. Xu, D. Svinkin, D. S. Delaunay, J. Tanvir, N. R. Gao, H. Zhang, C. Chen, Y. Wu, X. -F. Zhang, B. Yuan, W. An, J. Bruni, G. Frederiks, D. D. Ghirlanda, G. Hu, J. -W. Li, A. Li, C. -K. Li, J. -D. Malesani, D. B. Piro, L. Raman, G. Ricci, R. Troja, E. Vergani, S. D. Wu, Q. -Y. Yang, J. Zhang, B. -B. Zhu, Z. -P. Postigo, A. de Ugarte Demin, A. G. Dobie, D. Fan, Z. Fu, S. -Y. Fynbo, J. P. U. Geng, J. -J. Gianfagna, G. Hu, Y. -D. Huang, Y. -F. Jiang, S. -Q. Jonker, P. G. Julakanti, Y. Kennea, J. A. Kokomov, A. A. Kuulkers, E. Lei, W. -H. Leung, J. K. Levan, A. J. Li, D. -Y. Li, Y. Littlefair, S. P. Liu, X. Lysenko, A. L. Ma, Y. -N. Martin-Carrillo, A. O'Brien, P. Parsotan, T. Quirola-Vasquez, J. Ridnaia, A. V. Ronchini, S. Rossi, A. Mata-Sanchez, D. Schneider, B. Shen, R. -F. Thakur, A. L. Tohuvavohu, A. Torres, M. A. P. Tsvetkova, A. E. Ulanov, M. V. Wei, J. -J. Xiao, D. Yin, Y. -H. I. Bai, M. Burwitz, V. Cai, Z. -M. Chen, F. -S. Chen, H. -L. Chen, T. -X. Chen, W. Chen, Y. -F. Chen, Y. -H. Cheng, H. -Q. Cui, C. -Z. Cui, W. -W. Dai, Y. -F. Dai, Z. -G. Eder, J. Fan, D. -W. Feldman, C. Feng, H. Feng, Z. Friedrich, P. Gao, X. Guan, J. Han, D. -W Han, J. Hou, D. -J. Hu, H. -B. Hu, T. Huang, M. -H. Huo, J. Hutchinson, I. Ji, Z. Jia, S. -M. Jia, Z. -Q. Jiang, B. -W. Jin, C. -C. Jin, G. Jin, J. -J. Keereman, A. Lerman, H. Li, J. -F. Li, L. -H. Li, M. -S. Li, W. Li, Z. -D. Lian, T. -Y. Liang, E. -W. Ling, Z. -X. Liu, C. -Z. Liu, H. -Y. Liu, H. -Q. Liu, M. -J. Liu, Y. -R. Lu, F. -J. LU, H. -J. Luo, L. -D. Ma, F. L. Ma, J. Mao, J. -R. Mao, X. McHugh, M. Meidinger, N. Nandra, K. Osborne, J. P. Pan, H. -W. Pan, X. Ravasio, M. E. Rau, A. Rea, N. Rehman, U. Sanders, J. Santovincenzo, A. Song, L. -M. Su, J. Sun, L. -J. Sun, S. -L. Sun, X. -J. Tan, Y. -Y. Tang, Q. -J. Tao, Y. -H. Tong, J. -Z. Wang, H. Wang, J. Wang, L. Wang, W. -X. Wang, X. -F. Wang, X. -Y. Wang, Y. -L. Wang, Y. -S. Wei, D. -M. Willingale, R. Xiong, S. -L. Xu, H. -T. Xu, J. -J. Xu, X. -P. Xu, Y. -F. Xu, Z. Xue, C. -B. Xue, Y. -L. Yan, A. -L. Yang, F. Yang, H. -N. Yang, X. -T. Yang, Y. -J Yu, Y. -W. Zhang, J. Zhang, M. Zhang, S. -N. Zhang, W. -D. Zhang, W. -J. Zhang, Y. -H. Zhang, Z. Zhang, Z. Zhang, Z. -L. Zhao, D. -H. Zhao, H. -S. Zhao, X. -F. Zhao, Z. -J. Zhou, L. -X. Zhou, Y. -L. Zhu, Y. -X. Zhu, Z. -C. Zuo, X. -X. High Energy Astrophysical Phenomena Long gamma-ray bursts (GRBs) are believed to originate from core collapse of massive stars. High-redshift GRBs can probe the star formation and reionization history of the early universe, but their detection remains rare. Here we report the detection of a GRB triggered in the 0.5--4 keV band by the Wide-field X-ray Telescope (WXT) on board the Einstein Probe (EP) mission, designated as EP240315a, whose bright peak was also detected by the Swift Burst Alert Telescope and Konus-Wind through off-line analyses. At a redshift of $z=4.859$, EP240315a showed a much longer and more complicated light curve in the soft X-ray band than in gamma-rays. Benefiting from a large field-of-view ($\sim$3600 deg$^2$) and a high sensitivity, EP-WXT captured the earlier engine activation and extended late engine activity through a continuous detection. With a peak X-ray flux at the faint end of previously known high-$z$ GRBs, the detection of EP240315a demonstrates the great potential for EP to study the early universe via GRBs. |
| title | Soft X-ray prompt emission from a high-redshift gamma-ray burst EP240315a |
| topic | High Energy Astrophysical Phenomena |
| url | https://arxiv.org/abs/2404.16425 |