A fast radio burst from the first 3 billion years of the Universe
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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_ | 1866915423579013120 |
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| author | Caleb, Manisha Nanayakkara, Themiya Stappers, Benjamin Pastor-Marazuela, Inés Khrykin, Ilya S. Glazebrook, Karl Tejos, Nicolas Prochaska, J. Xavier Rajwade, Kaustubh Mas-Ribas, Lluis Driessen, Laura N. Fong, Wen-fai Gordon, Alexa C. Hoffmann, Jordan James, Clancy W. Jankowski, Fabian Kahinga, Lordrick Kramer, Michael Simha, Sunil Barr, Ewan D. Bezuidenhout, Mechiel Christiaan Deng, Xihan Lin, Zeren Marnoch, Lachlan Martin, Christopher D. Nugent, Anya Shaji, Kavya Tian, Jun |
| author_facet | Caleb, Manisha Nanayakkara, Themiya Stappers, Benjamin Pastor-Marazuela, Inés Khrykin, Ilya S. Glazebrook, Karl Tejos, Nicolas Prochaska, J. Xavier Rajwade, Kaustubh Mas-Ribas, Lluis Driessen, Laura N. Fong, Wen-fai Gordon, Alexa C. Hoffmann, Jordan James, Clancy W. Jankowski, Fabian Kahinga, Lordrick Kramer, Michael Simha, Sunil Barr, Ewan D. Bezuidenhout, Mechiel Christiaan Deng, Xihan Lin, Zeren Marnoch, Lachlan Martin, Christopher D. Nugent, Anya Shaji, Kavya Tian, Jun |
| contents | Fast radio bursts (FRBs) are enigmatic millisecond-duration signals which encode otherwise unattainable information on the plasma which permeates our Universe, providing insights into magnetic fields and gas distributions. Here we report the discovery of FRB 20240304B originating at redshift 2.148 +/- 0.001 corresponding to just 3 billion years after the Big Bang. FRB 2024030 was detected with the MeerKAT radio telescope and localized to a low-mass, clumpy, star forming galaxy using the James Webb Space Telescope. This discovery doubles the redshift reach of localized FRBs and probes ionized baryons across ~80% of cosmic history. Its sightline, intersecting the Virgo Cluster and a foreground group, reveals magnetic field complexity over many gigaparsec scales. Our observations establish FRB activity during the peak of cosmic star formation and demonstrate that FRBs can probe galaxy formation during the most active era in cosmic time. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2508_01648 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | A fast radio burst from the first 3 billion years of the Universe Caleb, Manisha Nanayakkara, Themiya Stappers, Benjamin Pastor-Marazuela, Inés Khrykin, Ilya S. Glazebrook, Karl Tejos, Nicolas Prochaska, J. Xavier Rajwade, Kaustubh Mas-Ribas, Lluis Driessen, Laura N. Fong, Wen-fai Gordon, Alexa C. Hoffmann, Jordan James, Clancy W. Jankowski, Fabian Kahinga, Lordrick Kramer, Michael Simha, Sunil Barr, Ewan D. Bezuidenhout, Mechiel Christiaan Deng, Xihan Lin, Zeren Marnoch, Lachlan Martin, Christopher D. Nugent, Anya Shaji, Kavya Tian, Jun High Energy Astrophysical Phenomena Fast radio bursts (FRBs) are enigmatic millisecond-duration signals which encode otherwise unattainable information on the plasma which permeates our Universe, providing insights into magnetic fields and gas distributions. Here we report the discovery of FRB 20240304B originating at redshift 2.148 +/- 0.001 corresponding to just 3 billion years after the Big Bang. FRB 2024030 was detected with the MeerKAT radio telescope and localized to a low-mass, clumpy, star forming galaxy using the James Webb Space Telescope. This discovery doubles the redshift reach of localized FRBs and probes ionized baryons across ~80% of cosmic history. Its sightline, intersecting the Virgo Cluster and a foreground group, reveals magnetic field complexity over many gigaparsec scales. Our observations establish FRB activity during the peak of cosmic star formation and demonstrate that FRBs can probe galaxy formation during the most active era in cosmic time. |
| title | A fast radio burst from the first 3 billion years of the Universe |
| topic | High Energy Astrophysical Phenomena |
| url | https://arxiv.org/abs/2508.01648 |