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| Format: | Preprint |
| Veröffentlicht: |
2025
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| Online-Zugang: | https://arxiv.org/abs/2506.19006 |
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| author | FRB Collaboration Abbott, Thomas C. Amouyal, Daniel Andrew, Shion E. Bandura, Kevin Bhardwaj, Mohit Bhopi, Kalyani Bhusare, Yash Brar, Charanjot Cai, Alice Cassanelli, Tomas Chatterjee, Shami Cliche, Jean-François Cook, Amanda M. Curtin, Alice P. Davies-Velie, Evan Dobbs, Matt Dong, Fengqiu Adam Dong, Yuxin Eadie, Gwendolyn Eftekhari, Tarraneh Fong, Wen-fai Fonseca, Emmanuel Gaensler, B. M. Gusinskaia, Nina Hessels, Jason W. T. Hewitt, Danté M. Huang, Jeff Jain, Naman Joseph, Ronniy. C. Kahinga, Lordrick Kaspi, Victoria M. Afrasiyab Khan Kharel, Bikash Lanman, Adam E. L'Argent, Magnus Lazda, Mattias Leung, Calvin Main, Robert Mas-Ribas, Lluis Masui, Kiyoshi W. McGregor, Kyle Mckinven, Ryan Mena-Parra, Juan Michilli, Daniele Mulyk, Nicole Ng, Mason Nimmo, Kenzie Pandhi, Ayush Patil, Swarali Shivraj Pearlman, Aaron B. Pen, Ue-Li Pleunis, Ziggy Prochaska, J. Xavier Rafiei-Ravandi, Masoud Ransom, Scott M. Sachdeva, Gurman Sammons, Mawson W. Sand, Ketan R. Scholz, Paul Shah, Vishwangi Shin, Kaitlyn Siegel, Seth R. Simha, Sunil Smith, Kendrick Stairs, Ingrid Stenning, David C. Wang, Haochen Boles, Thomas Cognard, Ismaël Dijkema, Tammo Jan Filippenko, Alexei V. Gawroński, Marcin P. Herrmann, Wolfgang Kilpatrick, Charles D. Kirsten, Franz Knabel, Shawn Ould-Boukattine, Omar S. Paugnat, Hadrien Puchalska, Weronika Sheu, William Suresh, Aswin Tohuvavohu, Aaron Treu, Tommaso Zheng, WeiKang |
| author_facet | FRB Collaboration Abbott, Thomas C. Amouyal, Daniel Andrew, Shion E. Bandura, Kevin Bhardwaj, Mohit Bhopi, Kalyani Bhusare, Yash Brar, Charanjot Cai, Alice Cassanelli, Tomas Chatterjee, Shami Cliche, Jean-François Cook, Amanda M. Curtin, Alice P. Davies-Velie, Evan Dobbs, Matt Dong, Fengqiu Adam Dong, Yuxin Eadie, Gwendolyn Eftekhari, Tarraneh Fong, Wen-fai Fonseca, Emmanuel Gaensler, B. M. Gusinskaia, Nina Hessels, Jason W. T. Hewitt, Danté M. Huang, Jeff Jain, Naman Joseph, Ronniy. C. Kahinga, Lordrick Kaspi, Victoria M. Afrasiyab Khan Kharel, Bikash Lanman, Adam E. L'Argent, Magnus Lazda, Mattias Leung, Calvin Main, Robert Mas-Ribas, Lluis Masui, Kiyoshi W. McGregor, Kyle Mckinven, Ryan Mena-Parra, Juan Michilli, Daniele Mulyk, Nicole Ng, Mason Nimmo, Kenzie Pandhi, Ayush Patil, Swarali Shivraj Pearlman, Aaron B. Pen, Ue-Li Pleunis, Ziggy Prochaska, J. Xavier Rafiei-Ravandi, Masoud Ransom, Scott M. Sachdeva, Gurman Sammons, Mawson W. Sand, Ketan R. Scholz, Paul Shah, Vishwangi Shin, Kaitlyn Siegel, Seth R. Simha, Sunil Smith, Kendrick Stairs, Ingrid Stenning, David C. Wang, Haochen Boles, Thomas Cognard, Ismaël Dijkema, Tammo Jan Filippenko, Alexei V. Gawroński, Marcin P. Herrmann, Wolfgang Kilpatrick, Charles D. Kirsten, Franz Knabel, Shawn Ould-Boukattine, Omar S. Paugnat, Hadrien Puchalska, Weronika Sheu, William Suresh, Aswin Tohuvavohu, Aaron Treu, Tommaso Zheng, WeiKang |
| contents | Precise localizations of a small number of repeating fast radio bursts (FRBs) using very long baseline interferometry (VLBI) have enabled multiwavelength follow-up observations revealing diverse local environments. However, the 2--3\% of FRB sources that are observed to repeat may not be representative of the full population. Here we use the VLBI capabilities of the full CHIME Outriggers array for the first time to localize a nearby (40 Mpc), bright (kJy), and apparently one-off FRB source, FRB 20250316A, to its environment on 13-pc scales. We use optical and radio observations to place deep constraints on associated transient emission and the properties of its local environment. We place a $5σ$ upper limit of $L_{\mathrm{9.9~\mathrm{GHz}}} < 2.1\times10^{25}~\mathrm{erg~s^{-1}~Hz^{-1}}$ on spatially coincident radio emission, a factor of 100 lower than any known compact persistent radio source associated with an FRB. Our KCWI observations allow us to characterize the gas density, metallicity, nature of gas ionization, dust extinction and star-formation rate through emission line fluxes. We leverage the exceptional brightness and proximity of this source to place deep constraints on the repetition of FRB 20250316A, and find it is inconsistent with all well-studied repeaters given the non-detection of bursts at lower spectral energies. We explore the implications of a measured offset of 190$\pm20$ pc from the center of the nearest star-formation region, in the context of progenitor channels. FRB 20250316A marks the beginning of an era of routine localizations for one-off FRBs on tens of mas-scales, enabling large-scale studies of their local environments. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_19006 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | FRB 20250316A: A Brilliant and Nearby One-Off Fast Radio Burst Localized to 13 parsec Precision FRB Collaboration Abbott, Thomas C. Amouyal, Daniel Andrew, Shion E. Bandura, Kevin Bhardwaj, Mohit Bhopi, Kalyani Bhusare, Yash Brar, Charanjot Cai, Alice Cassanelli, Tomas Chatterjee, Shami Cliche, Jean-François Cook, Amanda M. Curtin, Alice P. Davies-Velie, Evan Dobbs, Matt Dong, Fengqiu Adam Dong, Yuxin Eadie, Gwendolyn Eftekhari, Tarraneh Fong, Wen-fai Fonseca, Emmanuel Gaensler, B. M. Gusinskaia, Nina Hessels, Jason W. T. Hewitt, Danté M. Huang, Jeff Jain, Naman Joseph, Ronniy. C. Kahinga, Lordrick Kaspi, Victoria M. Afrasiyab Khan Kharel, Bikash Lanman, Adam E. L'Argent, Magnus Lazda, Mattias Leung, Calvin Main, Robert Mas-Ribas, Lluis Masui, Kiyoshi W. McGregor, Kyle Mckinven, Ryan Mena-Parra, Juan Michilli, Daniele Mulyk, Nicole Ng, Mason Nimmo, Kenzie Pandhi, Ayush Patil, Swarali Shivraj Pearlman, Aaron B. Pen, Ue-Li Pleunis, Ziggy Prochaska, J. Xavier Rafiei-Ravandi, Masoud Ransom, Scott M. Sachdeva, Gurman Sammons, Mawson W. Sand, Ketan R. Scholz, Paul Shah, Vishwangi Shin, Kaitlyn Siegel, Seth R. Simha, Sunil Smith, Kendrick Stairs, Ingrid Stenning, David C. Wang, Haochen Boles, Thomas Cognard, Ismaël Dijkema, Tammo Jan Filippenko, Alexei V. Gawroński, Marcin P. Herrmann, Wolfgang Kilpatrick, Charles D. Kirsten, Franz Knabel, Shawn Ould-Boukattine, Omar S. Paugnat, Hadrien Puchalska, Weronika Sheu, William Suresh, Aswin Tohuvavohu, Aaron Treu, Tommaso Zheng, WeiKang High Energy Astrophysical Phenomena Precise localizations of a small number of repeating fast radio bursts (FRBs) using very long baseline interferometry (VLBI) have enabled multiwavelength follow-up observations revealing diverse local environments. However, the 2--3\% of FRB sources that are observed to repeat may not be representative of the full population. Here we use the VLBI capabilities of the full CHIME Outriggers array for the first time to localize a nearby (40 Mpc), bright (kJy), and apparently one-off FRB source, FRB 20250316A, to its environment on 13-pc scales. We use optical and radio observations to place deep constraints on associated transient emission and the properties of its local environment. We place a $5σ$ upper limit of $L_{\mathrm{9.9~\mathrm{GHz}}} < 2.1\times10^{25}~\mathrm{erg~s^{-1}~Hz^{-1}}$ on spatially coincident radio emission, a factor of 100 lower than any known compact persistent radio source associated with an FRB. Our KCWI observations allow us to characterize the gas density, metallicity, nature of gas ionization, dust extinction and star-formation rate through emission line fluxes. We leverage the exceptional brightness and proximity of this source to place deep constraints on the repetition of FRB 20250316A, and find it is inconsistent with all well-studied repeaters given the non-detection of bursts at lower spectral energies. We explore the implications of a measured offset of 190$\pm20$ pc from the center of the nearest star-formation region, in the context of progenitor channels. FRB 20250316A marks the beginning of an era of routine localizations for one-off FRBs on tens of mas-scales, enabling large-scale studies of their local environments. |
| title | FRB 20250316A: A Brilliant and Nearby One-Off Fast Radio Burst Localized to 13 parsec Precision |
| topic | High Energy Astrophysical Phenomena |
| url | https://arxiv.org/abs/2506.19006 |