A pulsar-like polarization angle swing from a nearby fast radio burst

被引：8

作者：

Mckinven, Ryan ^{[1
,2
]}

Bhardwaj, Mohit ^{[3
]}

Eftekhari, Tarraneh ^{[4
,5
,6
]}

Kilpatrick, Charles D. ^{[4
,5
]}

Kirichenko, Aida ^{[7
]}

Pal, Arpan ^{[8
]}

Cook, Amanda M. ^{[9
,10
]}

Gaensler, B. M. ^{[9
,10
,11
]}

Giri, Utkarsh ^{[12
]}

Kaspi, Victoria M. ^{[1
,2
]}

Michilli, Daniele ^{[13
,14
]}

Nimmo, Kenzie ^{[13
,14
]}

Pearlman, Aaron B. ^{[1
,2
]}

Pleunis, Ziggy ^{[9
,10
,15
,16
]}

Sand, Ketan R. ^{[1
,2
]}

Stairs, Ingrid ^{[17
]}

Andersen, Bridget C. ^{[1
,2
]}

Andrew, Shion ^{[13
,14
]}

Bandura, Kevin ^{[18
,19
]}

Brar, Charanjot ^{[1
,2
]}

Cassanelli, Tomas ^{[20
]}

Chatterjee, Shami ^{[21
]}

Curtin, Alice P. ^{[1
,2
]}

Dong, Fengqiu Adam ^{[17
]}

Eadie, Gwendolyn ^{[10
,22
,23
]}

Fonseca, Emmanuel ^{[19
,24
]}

Ibik, Adaeze L. ^{[9
,10
]}

Kaczmarek, Jane F. ^{[25
]}

Kharel, Bikash ^{[19
,24
]}

Lazda, Mattias ^{[9
,10
]}

Leung, Calvin ^{[6
,26
]}

Li, Dongzi ^{[27
]}

Main, Robert ^{[1
,2
]}

Masui, Kiyoshi W. ^{[13
,14
]}

Mena-Parra, Juan ^{[9
,10
]}

Ng, Cherry ^{[28
]}

Pandhi, Ayush ^{[9
,10
]}

Patil, Swarali Shivraj ^{[19
,24
]}

Prochaska, J. Xavier ^{[29
,30
,31
]}

Rafiei-Ravandi, Masoud ^{[1
,2
]}

Scholz, Paul ^{[9
,32
]}

Shah, Vishwangi ^{[1
,2
]}

Shin, Kaitlyn ^{[13
,14
]}

Smith, Kendrick ^{[33
]}

机构：

[1] McGill Univ, Dept Phys, Montreal, PQ, Canada

[2] McGill Univ, Trottier Space Inst, Montreal, PQ, Canada

[3] Carnegie Mellon Univ, McWilliams Ctr Cosmol, Dept Phys, Pittsburgh, PA USA

[4] Northwestern Univ, Ctr Interdisciplinary Explorat & Res Astrophys, Evanston, IL USA

[5] Northwestern Univ, Dept Phys & Astron, Evanston, IL USA

[6] NASA Hubble Fellowship Program NHFP, Baltimore, MD USA

[7] Univ Nacl Autonoma Mexico, Inst Astron, Ensenada, Baja California, Mexico

[8] Tata Inst Fundamental Res, Natl Ctr Radio Astrophys, Pune, Maharashtra, India

[9] Univ Toronto, Dunlap Inst Astron & Astrophys, Toronto, ON, Canada

[10] Univ Toronto, David A Dunlap Dept Astron & Astrophys, Toronto, ON, Canada

[11] Univ Calif Santa Cruz, Div Phys & Biol Sci, Santa Cruz, CA USA

[12] Univ Wisconsin Madison, Dept Phys, Madison, WI USA

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

[14] MIT, Dept Phys, Cambridge, MA USA

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

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

[17] Univ British Columbia, Dept Phys & Astron, Vancouver, BC, Canada

[18] Lane Dept Comp Sci & Elect Engn, Morgantown, WV USA

[19] West Virginia Univ, Ctr Gravitat Waves & Cosmol, Morgantown, WV USA

[20] Univ Chile, Dept Elect Engn, Santiago, Chile

[21] Cornell Univ, Cornell Ctr Astrophys & Planetary Sci, Ithaca, NY USA

[22] Univ Toronto, Dept Stat Sci, Toronto, ON, Canada

[23] Univ Toronto, Data Sci Inst, Ontario Power Generat Bldg, Toronto, ON, Canada

[24] West Virginia Univ, Dept Phys & Astron, Morgantown, WV USA

[25] CSIRO Space & Astron, Pk Observ, Parkes, NSW, Australia

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

[27] Princeton Univ, Dept Astrophys Sci, Peyton Hall, Princeton, NJ USA

[28] Univ Orleans, Lab Phys & Chim Environm & Espace, CNRS, Orleans, France

[29] Univ Calif Santa Cruz, Dept Astron & Astrophys, Santa Cruz, CA USA

[30] Kavli Inst Phys & Math Universe, Kashiwa, Chiba, Japan

[31] Natl Astron Observ Japan, Div Sci, Mitaka, Tokyo, Japan

[32] York Univ, Dept Phys & Astron, Toronto, ON, Canada

[33] Perimeter Inst Theoret Phys, Waterloo, ON, Canada

来源：

NATURE | 2025年 / 637卷 / 8044期

基金：

加拿大自然科学与工程研究理事会; 加拿大创新基金会;

关键词：

EMISSION; STELLAR; CONSTRAINTS; PROPAGATION; ROTATIONS; TRANSIENT; ROBOPOL; GALAXY; MODEL;

D O I：

10.1038/s41586-024-08184-4

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Fast radio bursts (FRBs) last for milliseconds and arrive at Earth from cosmological distances. Although their origins and emission mechanisms are unknown, their signals bear similarities with the much less luminous radio emission generated by pulsars within our Miky Way Galaxy1, with properties suggesting neutron star origins2,3. However, unlike pulsars, FRBs typically show minimal variability in their linear polarization position angle (PA) curves4. Even when marked PA evolution is present, their curves deviate significantly from the canonical shape predicted by the rotating vector model (RVM) of pulsars5. Here we report on FRB 20221022A, detected by the Canadian Hydrogen Intensity Mapping Experiment Fast Radio Burst project (CHIME/FRB) and localized to a nearby host galaxy (about 65 Mpc), MCG+14-02-011. This FRB shows a notable approximately 130 degrees PA rotation over its about 2.5 ms burst duration, resembling the characteristic S-shaped evolution seen in many pulsars and some radio magnetars. The observed PA evolution supports magnetospheric origins6, 7-8 over models involving distant shocks9, 10-11, echoing similar conclusions drawn from tempo-polarimetric studies of some repeating FRBs12,13. The PA evolution is well described by the RVM and, although we cannot determine the inclination and magnetic obliquity because of the unknown period or duty cycle of the source, we exclude very short-period pulsars (for example, recycled millisecond pulsars) as the progenitor.

引用

页码：43 / 47

页数：21

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