2018MNRAS.478.2046C

Query : 2018MNRAS.478.2046C

2018MNRAS.478.2046C - Mon. Not. R. Astron. Soc., 478, 2046-2055 (2018/August-1)

The SUrvey for Pulsars and Extragalactic Radio Bursts - III. Polarization properties of FRBs 160102 and 151230.

CALEB M., KEANE E.F., VAN STRATEN W., KRAMER M., MACQUART J.P., BAILES M., BARR E.D., BHAT N.D.R., BHANDARI S., BURGAY M., FARAH W., JAMESON A., JANKOWSKI F., JOHNSTON S., PETROFF E., POSSENTI A., STAPPERS B.W., TIBURZI C. and VENKATRAMAN KRISHNAN V.

Abstract (from CDS):

We report on the polarization properties of two fast radio bursts (FRBs): 151230 and 160102 discovered in the SUrvey for Pulsars and Extragalactic Radio Bursts (SUPERB) at the Parkes Radio Telescope. FRB 151230 is observed to be 6 ± 11 per cent circularly polarized and 35 ± 13 per cent linearly polarized with a rotation measure (RM) consistent with zero. Conversely, FRB 160102 is observed to have a circular polarization fraction of 30 ± 11 per cent, linear polarization fraction of 84 ± 15 per cent for RM = -221(6) radm–2, and the highest measured dispersion measure (2596.1 ± 0.3 pc cm–3) for an FRB to date. We examine possible progenitor models for FRB 160102 in extragalactic, non-cosmological and cosmological scenarios. After accounting for the Galactic foreground contribution, we estimate the intrinsic RM to be -256(9) rad m–2 in the low-redshift case and ∼-2.4x102 rad m–2 in the high-redshift case. We assess the relative likeliness of these scenarios and how each can be tested. We also place constraints on the scattering measure and study the impact of scattering on the signal's polarization position angle.

Abstract Copyright: © 2018 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): magnetic fields - polarization - methods: data analysis - surveys - intergalactic medium

Simbad objects: 18

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Number of rows : 18
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 SN 1986J SN* 02 22 31.33 +42 19 56.4   18.4 18.4     SNII 331 1
2 FRB 20181119D rB 05 31 58.6980 +33 08 52.588           ~ 933 0
3 V* CM Tau Psr 05 34 31.9474694616 +22 00 52.153698024           ~ 5476 0
4 FRB 150418 rB 07 16 30.9 -19 02 24           ~ 120 0
5 FRB 151230 rB 09 40 50.0 -03 27 05           ~ 31 0
6 PSR B1641-45 Psr 16 44 49.28482 -45 59 09.6360     12.60     ~ 217 0
7 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
8 NAME Sgr A* X 17 45 40.03599 -29 00 28.1699           ~ 4970 3
9 PSR J1745-2900 Psr 17 45 40.1640 -29 00 29.818           ~ 358 0
10 PSR J1808-2024 Psr 18 08 39.32 -20 24 40.1           ~ 1316 2
11 FRB 150215 rB 18 17 27.0 -04 54 15           ~ 42 0
12 FRB 110523 rB 21 45 31.0 -00 15 23           ~ 91 0
13 PSR B2152-31 Psr 21 55 13.64000 -31 18 53.8000           ~ 62 0
14 FRB 140514 rB 22 34 06.20 -12 18 46.5           ~ 80 0
15 FRB 20160102A rB 22 38 49.0 -30 10 50           ~ 41 0
16 FRB 150807 rB 22 41 33.75 -53 05 39.9           ~ 66 0
17 PSR J2241-5236 Psr 22 41 42.03161 -52 36 36.2492           ~ 143 1
18 NVSS J224509-301243 Rad 22 45 09.93 -30 12 43.1           ~ 4 1

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