2021A&A...651A..63G


Query : 2021A&A...651A..63G

2021A&A...651A..63G - Astronomy and Astrophysics, volume 651A, 63-63 (2021/7-1)

Multi-dimensional population modelling using frbpoppy: Magnetars can produce the observed fast radio burst sky.

GARDENIER D.W. and VAN LEEUWEN J.

Abstract (from CDS):

Fast radio bursts (FRBs) are energetic, short, bright transients that occur frequently over the entire radio sky. The observational challenges following from their fleeting, generally one-off nature have prevented the identification of the underlying sources producing the bursts. As the population of detected FRBs grows, the observed distributions of brightness, pulse width, and dispersion measure now begin to take shape. Meaningful direct interpretation of these distributions is, however, made impossible by the selection effects that telescope and search pipelines invariably imprint on each FRB survey. Here, we show that multi-dimensional FRB population synthesis can find a single, self-consistent population of FRB sources that can reproduce the real-life results of the major ongoing FRB surveys. This means that individual observed distributions can now be combined to derive the properties of the intrinsic FRB source population. The characteristics of our best-fit model for one-off FRBs agree with a population of magnetars. We extrapolated this model and predicted the number of FRBs future surveys will find. For surveys that have commenced, the method we present here can already determine the composition of the FRB source class, and potentially even its subpopulations.

Abstract Copyright: © ESO 2021

Journal keyword(s): radio continuum: general - methods: statistical

Simbad objects: 7

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Number of rows : 7
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2023
#notes
1 FRB 20121102A rB 05 32 09.60 +33 05 13.4           ~ 588 0
2 V* CM Tau Psr 05 34 31.9474694616 +22 00 52.153698024           ~ 5102 0
3 PSR J1550-5418 Psr 15 50 54.18 -54 18 23.9           ~ 384 1
4 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 13433 0
5 PSR J1745-2900 Psr 17 45 40.1640 -29 00 29.818           ~ 292 0
6 AX J1809.8-1943 Psr 18 09 51.07 -19 43 51.8           ~ 435 0
7 NAME Sgr 1935+2154 * 19 34 55.68 +21 53 48.2           ~ 466 1

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2023.01.31-07:49:06

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