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An extreme magneto-ionic environment associated with the fast radio burst source FRB 121102
文献类型：期刊论文
| 作者 | Michilli, D.1,2; Seymour, A.3; Hessels, J. W. T.1,2; Spitler, L. G.4; Gajjar, V.5,6,7; Archibald, A. M.1,2; Bower, G. C.8; Chatterjee, S.9,10; Cordes, J. M.9,10; Gourdji, K.2 |
| 刊名 | NATURE
 |
| 出版日期 | 2018-01-11 |
| 卷号 | 553期号:7687页码:182-+ |
| ISSN号 | 0028-0836 |
| DOI | 10.1038/nature25149 |
| 通讯作者 | Hessels, J. W. T.(J.W.T.Hessels@uva.nl) |
| 英文摘要 | Fast radio bursts are millisecond-duration, extragalactic radio flashes of unknown physical origin(1-3). The only known repeating fast radio burst source(4-6)-FRB 121102-has been localized to a star-forming region in a dwarf galaxy(7-9) at redshift 0.193 and is spatially coincident with a compact, persistent radio source(7,10). The origin of the bursts, the nature of the persistent source and the properties of the local environment are still unclear. Here we report observations of FRB 121102 that show almost 100 per cent linearly polarized emission at a very high and variable Faraday rotation measure in the source frame (varying from + 1.46 x 10(5) radians per square metre to + 1.33 x 10(5) radians per square metre at epochs separated by seven months) and narrow (below 30 microseconds) temporal structure. The large and variable rotation measure demonstrates that FRB 121102 is in an extreme and dynamic magneto-ionic environment, and the short durations of the bursts suggest a neutron star origin. Such large rotation measures have hitherto been observed(11,12) only in the vicinities of massive black holes (larger than about 10,000 solar masses). Indeed, the properties of the persistent radio source are compatible with those of a low-luminosity, accreting massive black hole(10). The bursts may therefore come from a neutron star in such an environment or could be explained by other models, such as a highly magnetized wind nebula(13) or supernova remnant(14) surrounding a young neutron star. |
| WOS关键词 | SAGITTARIUS-A-ASTERISK ; FARADAY-ROTATION ; GAMMA-RAY ; SUPERNOVA REMNANT ; CRAB-NEBULA ; HOST GALAXY ; BLACK-HOLE ; X-RAY ; FIELDS ; POLARIZATION |
| WOS研究方向 | Science & Technology - Other Topics |
| 语种 | 英语 |
| WOS记录号 | WOS:000419794800031 |
| 出版者 | NATURE PUBLISHING GROUP |
| 源URL | [http://libir.pmo.ac.cn/handle/332002/22187]  |
| 专题 | 中国科学院紫金山天文台 |
| 通讯作者 | Hessels, J. W. T. |
| 作者单位 | 1.Netherlands Inst Radio Astron, ASTRON, Postbus 2, NL-7990 AA Dwingeloo, Netherlands 2.Univ Amsterdam, Anton Pannekoek Inst Astron, Sci Pk 904, NL-1098 XH Amsterdam, Netherlands 3.Natl Astron & Ionosphere Ctr, Arecibo Observ, PR 00612 USA 4.Max Planck Inst Radioastron, Hugel 69, D-53121 Bonn, Germany 5.Univ Calif Berkeley, Space Sci Lab, 7 Gauss Way, Albany, CA 94710 USA 6.Chinese Acad Sci, Xinjiang Astron Observ, 150 Sci 1 St, Urumqi 830011, Xinjiang, Peoples R China 7.Chinese Acad Sci, Key Lab Radio Astron, Nanjing 210008, Peoples R China 8.Acad Sinica, Inst Astron & Astrophys, 645 N Aohoku Pl, Hilo, HI 96720 USA 9.Cornell Univ, Cornell Ctr Astrophys & Planetary Sci, Ithaca, NY 14853 USA 10.Cornell Univ, Dept Astron, Ithaca, NY 14853 USA |
| 推荐引用方式 GB/T 7714 | Michilli, D.,Seymour, A.,Hessels, J. W. T.,et al. An extreme magneto-ionic environment associated with the fast radio burst source FRB 121102[J]. NATURE,2018,553(7687):182-+. |
| APA | Michilli, D..,Seymour, A..,Hessels, J. W. T..,Spitler, L. G..,Gajjar, V..,...&Whitlow, D..(2018).An extreme magneto-ionic environment associated with the fast radio burst source FRB 121102.NATURE,553(7687),182-+. |
| MLA | Michilli, D.,et al."An extreme magneto-ionic environment associated with the fast radio burst source FRB 121102".NATURE 553.7687(2018):182-+. |
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来源：紫金山天文台
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