2022MNRAS.509.4775J

Query : 2022MNRAS.509.4775J

2022MNRAS.509.4775J - Mon. Not. R. Astron. Soc., 509, 4775-4802 (2022/February-1)

The z-DM distribution of fast radio bursts.

JAMES C.W., PROCHASKA J.X., MACQUART J.-P., NORTH-HICKEY F.O., BANNISTER K.W. and DUNNING A.

Abstract (from CDS):

We develop a sophisticated model of fast radio burst (FRB) observations, accounting for the intrinsic cosmological gas distribution and host galaxy contributions, and give the most detailed account yet of observational biases due to burst width, dispersion measure, and the exact telescope beamshape. Our results offer a significant increase in both accuracy and precision beyond those previously obtained. Using results from ASKAP and Parkes, we present our best-fitting FRB population parameters in a companion paper. Here, we consider in detail the expected and fitted distributions in redshift, dispersion measure, and signal to noise. We estimate that the unlocalized ASKAP FRBs arise from z < 0.5, with between a third and a half within z < 0.1. Our predicted source-counts ('logN-logS') distribution confirms previous indications of a steepening index near the Parkes detection threshold of 1 Jy ms. We find no evidence for a minimum FRB energy, and rule out Emin > 1039.0 erg at 90 per cent C.L. Importantly, we find that above a certain DM, observational biases cause the Macquart (DM-z) relation to become inverted, implying that the highest-DM events detected in the unlocalized Parkes and ASKAP samples are unlikely to be the most distant. More localized FRBs will be required to quantitatively estimate this effect, though its cause is a well-understood observational bias. Works assuming a 1-1 DM-z relation may therefore derive erroneous results. Our analysis of errors suggests that limiting factors in our analysis are understanding of FRB spectral behaviour, sensitivity response of search experiments, and the treatment of the repeating population and luminosity function.

Abstract Copyright: © 2021 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society

Journal keyword(s): methods: statistical - transients: fast radio bursts

Simbad objects: 54

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Number of rows : 54
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 FRB 010724 rB 01 18 06.0 -72 12 19           ~ 94 1
2 FRB 110214 rB 01 21 17.0 -49 47 11           ~ 24 0
3 FRB 170707 rB 02 59.0 -57 16           ~ 16 0
4 FRB 090625 rB 03 07 47.0 -29 55 35           ~ 39 0
5 FRB 171216 rB 03 28.0 -57 04           ~ 14 0
6 FRB 180119 rB 03 29.3 -12 44           ~ 16 0
7 FRB 171116 rB 03 31.0 -17 14           ~ 16 0
8 FRB 171213 rB 03 39.0 -10 56           ~ 18 0
9 FRB 010305 rB 04 57 19.5000 -52 36 24.668           ~ 7 0
10 FRB 010312 rB 05 26 54.90 -64 56 19.2           ~ 20 0
11 FRB 20181119D rB 05 31 58.6980 +33 08 52.588           ~ 933 0
12 FRB 180324 rB 06 16.0 -34 47           ~ 15 0
13 FRB 131104 rB 06 44 10.4 -51 16 40           ~ 83 0
14 FRB 130628 rB 09 03 02.0 +03 26 16           ~ 42 0
15 MCG-02-24-007 LIN 09 18 05.66848602 -12 05 43.8060823   14.38 14.8     ~ 1077 1
16 FRB 151230 rB 09 40 50.0 -03 27 05           ~ 31 0
17 FRB 170107 rB 11 23 10 -05 01.0           ~ 27 0
18 FRB 171004 rB 11 57.6 -11 54           ~ 15 0
19 FRB 190714 rB 12 15 55.1 -13 01 16           ~ 64 0
20 FRB 180417 rB 12 24 56 +14 13.0           ~ 6 0
21 FRB 171003 rB 12 29.5 -14 07           ~ 15 0
22 FRB 130729 rB 13 41 21.0 -05 59 43           ~ 46 0
23 FRB 20180128A rB 13 56.0 -06 43           ~ 15 0
24 FRB 180212 rB 14 21.0 -03 35           ~ 16 0
25 FRB 180525 rB 14 40.0 -02 12           ~ 14 0
26 FRB 130626 rB 16 27 06.0 -07 27 48           ~ 40 0
27 FRB 121002 rB 18 14 47.0 -85 11 53           ~ 57 0
28 NAME Sgr 1935+2154 * 19 34 55.68 +21 53 48.2           ~ 820 1
29 FRB 110626 rB 21 03 43.0 -44 44 19           ~ 49 1
30 FRB 180309 rB 21 24 43.80 -33 58 44.5           ~ 27 0
31 FRB 190102 rB 21 29 39.76 -79 28 32.5           ~ 83 0
32 FRB 180311 rB 21 31 33.42 -57 44 26.7           ~ 24 0
33 FRB 191001 rB 21 33 24.373 -54 44 51.40           ~ 64 0
34 FRB 180924 rB 21 44 25.255 -40 54 00.10           ~ 140 0
35 FRB 170428 rB 21 47.0 -41 51           ~ 16 0
36 FRB 181112 rB 21 49 23.630 -52 58 15.39           ~ 131 0
37 FRB 180131 rB 21 49.9 -40 41           ~ 14 0
38 FRB 180130 rB 21 52.2 -38 34           ~ 15 0
39 FRB 180110 rB 21 53.0 -35 27           ~ 21 0
40 FRB 20190711A rB 21 57 40.7 -80 21 29           ~ 114 0
41 FRB 170906 rB 21 59.8 -19 57           ~ 16 0
42 FRB 170416 rB 22 13.0 -55 02           ~ 16 0
43 FRB 171020 rB 22 15.0 -19 40           ~ 54 0
44 FRB 190608 rB 22 16 04.74 -07 53 53.6           ~ 102 0
45 FRB 171019 rB 22 17.5 -08 40           ~ 52 0
46 HIDDEN NAME FRB 180128.2 rB 22 22.0 -60 15           ~ 15 0
47 FRB 140514 rB 22 34 06.20 -12 18 46.5           ~ 80 0
48 FRB 110220 rB 22 34 38.0 -12 33 44           ~ 82 0
49 FRB 170712 rB 22 36.0 -60 57           ~ 15 0
50 FRB 20160102A rB 22 38 49.0 -30 10 50           ~ 41 0
51 FRB 150807 rB 22 41 33.75 -53 05 39.9           ~ 66 0
52 FRB 180515 rB 23 13 12.0 -42 14 46           ~ 8 0
53 FRB 120127 rB 23 15 06.0 -18 25 37           ~ 51 0
54 FRB 110703 rB 23 30 51.0 -02 52 24           ~ 54 0

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