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The dispersion–brightness relation for fast radio bursts from a wide-field survey

Abstract

Despite considerable efforts over the past decade, only 34 fast radio bursts—intense bursts of radio emission from beyond our Galaxy—have been reported1,2. Attempts to understand the population as a whole have been hindered by the highly heterogeneous nature of the searches, which have been conducted with telescopes of different sensitivities, at a range of radio frequencies, and in environments corrupted by different levels of radio-frequency interference from human activity. Searches have been further complicated by uncertain burst positions and brightnesses—a consequence of the transient nature of the sources and the poor angular resolution of the detecting instruments. The discovery of repeating bursts from one source3, and its subsequent localization4 to a dwarf galaxy at a distance of 3.7 billion light years, confirmed that the population of fast radio bursts is located at cosmological distances. However, the nature of the emission remains elusive. Here we report a well controlled, wide-field radio survey for these bursts. We found 20, none of which repeated during follow-up observations between 185–1,097 hours after the initial detections. The sample includes both the nearest and the most energetic bursts detected so far. The survey demonstrates that there is a relationship between burst dispersion and brightness and that the high-fluence bursts are the nearby analogues of the more distant events found in higher-sensitivity, narrower-field surveys5.

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Fig. 1: Pulse profiles and dynamic spectra of ASKAP FRBs.
Fig. 2: Distribution of FRB fluences and extragalactic dispersion measures.

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Data availability

Raw data files (totalling 1 PB) are archived on tape at the Pawsey Superconducting Centre. Cut-outs of the raw data, in pulsar filterbank format (http://sigproc.sourceforge.net), and posterior localization regions, are available on the CSIRO data access portal through https://doi.org/10.25919/5b6ae6b515850. Other data products are available on request from R.M.S.

References

  1. Lorimer, D. R., Bailes, M., McLaughlin, M. A., Narkevic, D. J. & Crawford, F. A bright millisecond radio burst of extragalactic origin. Science 318, 777–780 (2007).

    Article  ADS  CAS  Google Scholar 

  2. Petroff, E. et al. FRBCAT: the fast radio burst catalogue. Publ. Astron. Soc. Aust. 33, e045 (2016).

    Article  ADS  Google Scholar 

  3. Spitler, L. G. et al. A repeating fast radio burst. Nature 531, 202–205 (2016).

    Article  ADS  CAS  Google Scholar 

  4. Chatterjee, S. et al. A direct localization of a fast radio burst and its host. Nature 541, 58–61 (2017).

    Article  ADS  CAS  Google Scholar 

  5. Champion, D. J. et al. Five new fast radio bursts from the HTRU high-latitude survey at Parkes: first evidence for two-component bursts. Mon. Not. R. Astron. Soc. 460, L30–L34 (2016).

    Article  ADS  CAS  Google Scholar 

  6. McConnell, D. et al. The Australian Square Kilometre Array Pathfinder: performance of the Boolardy engineering test array. Publ. Astron. Soc. Aust. 33, e042 (2016).

    Article  ADS  Google Scholar 

  7. Bannister, K. W. et al. The cetection of an extremely bright fast radio burst in a phased array feed survey. Astrophys. J. 841, L12 (2017).

    Article  ADS  CAS  Google Scholar 

  8. Macquart, J.-P. & Johnston, S. On the paucity of fast radio bursts at low Galactic latitudes. Mon. Not. R. Astron. Soc. 451, 3278–3286 (2015).

    Article  ADS  Google Scholar 

  9. Xu, J. & Han, J. L. Extragalactic dispersion measures of fast radio bursts. Res. Astron. Astrophys. 15, 1629 (2015).

    Article  ADS  CAS  Google Scholar 

  10. Inoue, S. Probing the cosmic reionization history and local environment of gamma-ray bursts through radio dispersion. Mon. Not. R. Astron. Soc. 348, 999–1008 (2004).

    Article  ADS  CAS  Google Scholar 

  11. McQuinn, M. Locating the “missing” baryons with extragalactic dispersion measure estimates. Astrophys. J. 780, L33 (2014).

    Article  ADS  CAS  Google Scholar 

  12. Yao, J. M., Manchester, R. N. & Wang, N. A new electron-density model for estimation of pulsar and FRB distances. Astrophys. J. 835, 29 (2017).

    Article  ADS  CAS  Google Scholar 

  13. Meyer, M. J. et al. The HIPASS catalogue—I. Data presentation. Mon. Not. R. Astron. Soc. 350, 1195–1209 (2004).

    Article  ADS  CAS  Google Scholar 

  14. Jones, D. H. et al. The 6dF galaxy survey: final redshift release (DR3) and southern large-scale structures. Mon. Not. R. Astron. Soc. 399, 683–698 (2009).

    Article  ADS  CAS  Google Scholar 

  15. Cordes, J. M. et al. Lensing of fast radio bursts by plasma structures in host galaxies. Astrophys. J. 842, 35 (2017).

    Article  ADS  CAS  Google Scholar 

  16. Oslowski, S. et al. Real-time detection of an extremely high signal-to-noise ratio fast radio burst during observations of PSR J2124–3358. Astron. Telegr. 11385 (2018).

  17. Ravi, V. et al. The magnetic field and turbulence of the cosmic web measured using a brilliant fast radio burst. Science 354, 1249–1252 (2016).

    Article  ADS  CAS  Google Scholar 

  18. Ravi, V. The observed properties of fast radio bursts. Mon. Not. R. Astron. Soc. (in the press); preprint at https://arxiv.org/abs/1710.08026 (2017).

  19. Lambert, H. C. & Rickett, B. J. On the theory of pulse propagation and two-frequency field statistics in irregular interstellar plasmas. Astrophys. J. 517, 299–317 (1999).

    Article  ADS  Google Scholar 

  20. Masui, K. et al. Dense magnetized plasma associated with a fast radio burst. Nature 528, 523–525 (2015).

    Article  ADS  CAS  Google Scholar 

  21. Farah, W. et al. FRB microstructure revealed by the real-time detection of FRB170827. Mon. Not. R. Astron. Soc. (in the press); preprint at https://arxiv.org/abs/1803.05697 (2018).

  22. Oppermann, N., Connor, L. D. & Pen, U.-L. The Euclidean distribution of fast radio bursts. Mon. Not. R. Astron. Soc. 461, 984–987 (2016).

    Article  ADS  Google Scholar 

  23. Macquart, J.-P. & Ekers, R. D. Fast radio burst event rate counts—I. Interpreting the observations. Mon. Not. R. Astron. Soc. 474, 1900–1908 (2018).

    Article  ADS  Google Scholar 

  24. von Hoerner, S. Radio source counts and cosmology. Astrophys. J. 186, 741–766 (1973).

    Article  ADS  Google Scholar 

  25. Bhandari, S. et al. The SUrvey for pulsars and extragalactic radio bursts—II. New FRB discoveries and their follow-up. Mon. Not. R. Astron. Soc. 475, 1427–1446 (2018).

    Article  ADS  Google Scholar 

  26. Law, C. J. et al. A multi-telescope campaign on FRB 121102: implications for the FRB Population. Astrophys. J. 850, 76 (2017).

    Article  ADS  Google Scholar 

  27. Michilli, D. et al. An extreme magneto-ionic environment associated with the fast radio burst source FRB 121102. Nature 553, 182–185 (2018).

    Article  ADS  CAS  Google Scholar 

  28. Keane, E. F. et al. The host galaxy of a fast radio burst. Nature 530, 453–456 (2016).

    Article  ADS  CAS  Google Scholar 

  29. Scholz, P. et al. The repeating fast radio burst FRB 121102: multi-wavelength observations and additional bursts. Astrophys. J. 833, 177 (2016).

    Article  ADS  CAS  Google Scholar 

  30. Macquart, J. P. et al. Fast transients at cosmological distances with the SKA. Adv. Astrophys. Square Kilometre Array (AASKA14) Proc. Sci. 215, 55 (2015).

    Article  Google Scholar 

Download references

Acknowledgements

We thank the Australia Telescope National Facility (ATNF) engineering and technical staff for their help in supporting these observations, and especially thank the staff of the Murchison Radio-astronomy observatory. We thank C. Flynn, P. Edwards, N. Tejos and V. McIntyre for comments on the manuscript, and members of the Commensal Real-time ASKAP Fast Transients (CRAFT) team for discussions. We thank the Murchison Widefield Array (MWA) principal engineer, R. Wayth, for access to the Galaxy supercomputer graphics processing units (GPU) cluster. R.M.S. and S.O. acknowledge Australian Research Council (ARC) grant FL150100148. R.M.S. also acknowledges support through ARC grant CE170100004. G.G. acknowledges support through a Commonwealth Scientific and Industrial Research Organisation (CSIRO) Office of the Chief Executive (OCE) postdoctoral fellowship. Parts of this research were conducted by the ARC Centre of Excellence for All-Sky Astrophysics (CAASTRO; grant CE110001020). This research was also supported by the ARC through grant DP18010085. The Australian SKA Pathfinder and Parkes radio telescopes are part of the ATNF, which is managed by the CSIRO. Operation of ASKAP is funded by the Australian Government with support from the National Collaborative Research Infrastructure Strategy. ASKAP uses the resources of the Pawsey Supercomputing Centre. Establishment of ASKAP, the Murchison Radio-astronomy Observatory and the Pawsey Supercomputing Centre are initiatives of the Australian Government, with support from the Government of Western Australia and the Science and Industry Endowment Fund. We acknowledge the Wajarri Yamatji people as the traditional owners of the Observatory site. This research has made use of the National Aeronautics and Space Administration (NASA)/Infrared Processing and Analysis Center (IPAC) Extragalactic Database (NED), which is operated by the Jet Propulsion Laboratory, California Institute of Technology, under contract with NASA.

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Nature thanks J. Cordes, D. Lorimer and S. Ransom for their contribution to the peer review of this work.

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Authors and Affiliations

Authors

Contributions

K.W.B. led the development of the CRAFT data-acquisition system. R.M.S., J.-P.M. and K.W.B. designed the survey. R.M.S., J-.P.M., K.W.B. and R.D.E drafted the manuscript. R.M.S. and K.W.B. conducted the observations, with assistance from A.W.H. and M.A.V. K.W.B. designed the search code. K.W.B., C.W.J., S.O., H.Q. and M.S. verified survey efficiency. R.M.S., with discussions with J.R.A., implemented the FRB localization algorithm. R.M.S., J.-P.M. and R.D.E interpreted the fluence and dispersion-measure distributions of the population. C.W.J., S.O. and J.-P.M. interpreted the nonrepetition of the ASKAP sample and compared it with the repeating FRB. R.M.S. and S.O. led searches for follow-up bursts at Parkes. E.M.S. studied the optical fields surrounding the detected FRBs. R.J.B., M.B., A.J.B., J.D.B., A.P.C., C.H., A.W.H., M.L., M.M., D.M., M.A.P, E.R.T., J.T., M.A.V. and M.T.W. contributed to development and commissioning of the CRAFT observing mode. J.R.A., C.S.A., M.E.B., J.D.C., G.G., G.H. and C.J.R. contributed to ASKAP commissioning and early science.

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Correspondence to R. M. Shannon or J.-P. Macquart.

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This file contains Supplementary Information, including additional references, Supplementary Tables 1-19 and Supplementary Figures 1-28.

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Shannon, R.M., Macquart, JP., Bannister, K.W. et al. The dispersion–brightness relation for fast radio bursts from a wide-field survey. Nature 562, 386–390 (2018). https://doi.org/10.1038/s41586-018-0588-y

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