A link between repeating and non-repeating fast radio bursts through their energy distributions

被引：37

作者：

Kirsten, F. ^{[1
,2
]}

Ould-Boukattine, O. S. ^{[2
,3
]}

Herrmann, W. ^{[4
]}

Gawronski, M. P. ^{[5
]}

Hessels, J. W. T. ^{[2
,3
]}

Lu, W. ^{[6
,7
]}

Snelders, M. P. ^{[2
,3
]}

Chawla, P. ^{[3
]}

Yang, J. ^{[1
]}

Blaauw, R. ^{[2
]}

Nimmo, K. ^{[8
]}

Puchalska, W. ^{[5
]}

Wolak, P. ^{[5
]}

van Ruiten, R. ^{[3
]}

机构：

[1] Chalmers Univ Technol, Onsala Space Observ, Dept Space Earth & Environm, Onsala, Sweden

[2] Netherlands Inst Radio Astron, ASTRON, Dwingeloo, Netherlands

[3] Univ Amsterdam, Anton Pannekoek Inst Astron, Amsterdam, Netherlands

[4] Astropeiler Stockert eV, Bad Munstereifel, Germany

[5] Nicolaus Copernicus Univ, Inst Astron, Fac Phys Astron & Informat, Torun, Poland

[6] Univ Calif Berkeley, Dept Astron, Berkeley, CA USA

[7] Univ Calif Berkeley, Theoret Astrophys Ctr, Berkeley, CA USA

[8] MIT, Kavli Inst Astrophys & Space Res, Cambridge, MA USA

来源：

NATURE ASTRONOMY | 2024年 / 8卷 / 03期

基金：

瑞典研究理事会;

关键词：

DOUBLE NOTCHES; UNIVERSE; FRB;

D O I：

10.1038/s41550-023-02153-z

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Fast radio bursts (FRBs) are extremely energetic, millisecond-duration radio flashes that reach Earth from extragalactic distances. Broadly speaking, FRBs can be classified as repeating or (apparently) non-repeating. It is still unclear, however, whether the two types share a common physical origin and differ only in their activity rate. Here we report on an observing campaign that targeted one hyperactive repeating source, FRB 20201124A, for more than 2,000 h using four 25-32 m class radio telescopes. We detected 46 high-energy bursts, many more than one would expect given previous observations of lower-energy bursts using larger radio telescopes. We find a high-energy burst distribution that resembles that of the non-repeating FRB population, suggesting that apparently non-repeating FRB sources may simply be the rarest bursts from repeating sources. Also, we discuss how FRB 20201124A contributes strongly to the all-sky FRB rate and how similar sources would be observable even at very high redshift. A hyperactive fast radio burst source has been observed for thousands of hours using relatively small telescopes. The energy distribution of the brightest bursts detected suggests a possible link between repeating and apparently non-repeating burst sources.

引用

页码：337 / 346

页数：19

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