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Are the distributions of fast radio burst properties consistent with a cosmological population?

Caleb, M. and Flynn, C. and Bailes, M. and Barr, E. D. and Hunstead, R. W. and Keane, E. F. and Ravi, V. and van Straten, W. (2016) Are the distributions of fast radio burst properties consistent with a cosmological population? Monthly Notices of the Royal Astronomical Society, 458 (1). pp. 708-717. ISSN 0035-8711. doi:10.1093/mnras/stw175. https://resolver.caltech.edu/CaltechAUTHORS:20190626-101118706

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Abstract

High time resolution radio surveys over the last few years have discovered a population of millisecond-duration transient bursts called fast radio bursts (FRBs), which remain of unknown origin. FRBs exhibit dispersion consistent with propagation through a cold plasma and dispersion measures indicative of an origin at cosmological distances. In this paper, we perform Monte Carlo simulations of a cosmological population of FRBs, based on assumptions consistent with observations of their energy distribution, their spatial density as a function of redshift and the properties of the interstellar and intergalactic media. We examine whether the dispersion measures, fluences, derived redshifts, signal-to-noise ratios and effective widths of known FRBs are consistent with a cosmological population. Statistical analyses indicate that at least 50 events at Parkes are required to distinguish between a constant comoving FRB density, and an FRB density that evolves with redshift like the cosmological star formation rate density.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1093/mnras/stw175DOIArticle
https://arxiv.org/abs/1512.02738arXivDiscussion Paper
ORCID:
AuthorORCID
Caleb, M.0000-0002-4079-4648
Bailes, M.0000-0003-3294-3081
Hunstead, R. W.0000-0002-3205-8288
Keane, E. F.0000-0002-4553-655X
Ravi, V.0000-0002-7252-5485
Additional Information:© 2016 The Authors. Published by Oxford University Press on behalf of the Royal Astronomical Society. Accepted 2016 January 19. Received 2016 January 3; in original form 2015 September 7. The authors gratefully acknowledge valuable discussions with E. Petroff, J.P. Macquart and Alan R. Duffy. This work used the gSTAR national facility which is funded by Swinburne and the Australian Governments Education Investment Fund. Parts of this research were conducted by the Australian Research Council Centre for All-Sky Astrophysics (CAASTRO), through project number CE110001020.
Funders:
Funding AgencyGrant Number
Swinburne University of TechnologyUNSPECIFIED
Education Investment Fund (Australia)UNSPECIFIED
Australian Research CouncilCE110001020
Subject Keywords:methods: data analysis, surveys, pulsars: general, cosmology: miscellaneous
Issue or Number:1
DOI:10.1093/mnras/stw175
Record Number:CaltechAUTHORS:20190626-101118706
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20190626-101118706
Official Citation:M. Caleb, C. Flynn, M. Bailes, E. D. Barr, R. W. Hunstead, E. F. Keane, V. Ravi, W. van Straten, Are the distributions of fast radio burst properties consistent with a cosmological population?, Monthly Notices of the Royal Astronomical Society, Volume 458, Issue 1, 01 May 2016, Pages 708–717, https://doi.org/10.1093/mnras/stw175
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:96728
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:26 Jun 2019 17:56
Last Modified:16 Nov 2021 17:23

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