2020NatAs...4..704A

Query : 2020NatAs...4..704A

2020NatAs...4..704A - Nature Astronomy, 4, 704-710 (2020/July-0)

Constraints on the magnetic field in the Galactic halo from globular cluster pulsars.

ABBATE F., POSSENTI A., TIBURZI C., BARR E., VAN STRATEN W., RIDOLFI A. and FREIRE P.

Abstract (from CDS):

The Galactic magnetic field plays an important role in the evolution of the Galaxy, but its small-scale behaviour is still poorly known. It is not known whether the Galactic field permeates the halo of the Galaxy. By observing pulsars in the halo globular cluster 47 Tucanae, we have probed the Galactic magnetic field at arcsecond scales, discovering an unexpected large gradient in the component of the magnetic field parallel to the line of sight. This gradient is aligned with a direction perpendicular to the Galactic disk and could be explained by magnetic fields amplified to some 60 µG within the globular cluster. Such a scenario supports the existence of a magnetized outflow that extends from the Galactic disk to the halo and interacts with 47 Tucanae.

Abstract Copyright: ©

Journal keyword(s): High Energy Astrophysical Phenomena

Simbad objects: 22

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Number of rows : 22
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 PSR J0024-7204C Psr 00 23 50.371 -72 04 31.44           ~ 65 1
2 PSR J0024-7204M Psr 00 23 54.489 -72 05 30.83           ~ 41 1
3 PSR J0023-7203J Psr 00 23 59.40735 -72 03 58.7914           ~ 91 1
4 PSR J0024-7204Y Psr 00 24 01.4016 -72 04 41.837           ~ 28 1
5 PSR J0024-72L Psr 00 24 03.754 -72 04 56.87           ~ 42 1
6 PSR J0024-72F Psr 00 24 03.907 -72 04 42.47           ~ 54 1
7 PSR J0023-72S Psr 00 24 03.9779 -72 04 42.342           ~ 37 1
8 PSR J0023-72O Psr 00 24 04.637 -72 04 53.71           ~ 66 1
9 NGC 104 GlC 00 24 05.359 -72 04 53.20     4.09     ~ 4158 0
10 PSR J0024-7204R Psr 00 24 05.670 -72 04 52.62           ~ 52 1
11 PSR J0024-72H Psr 00 24 06.686 -72 04 06.74           ~ 64 1
12 PSR B0021-72I Psr 00 24 07.9330 -72 04 39.669           ~ 68 1
13 PSR J0024-72G Psr 00 24 07.943 -72 04 39.65           ~ 47 1
14 PSR B0021-72T Psr 00 24 08.54 -72 04 38.9           ~ 48 1
15 PSR B0021-72N Psr 00 24 09.193 -72 04 28.83           ~ 40 1
16 PSR J0023-72U Psr 00 24 09.8325 -72 03 59.667           ~ 64 2
17 PSR J0024-7204E Psr 00 24 11.125 -72 05 20.14           ~ 66 1
18 PSR J0024-72D Psr 00 24 13.818 -72 04 43.83           ~ 62 1
19 PSR J0023-72Q Psr 00 24 16.482 -72 04 25.15           ~ 44 1
20 PSR J0437-47 Psr 04 37 15.7994581776 -47 15 08.544351636           DC 1032 0
21 MCG-02-24-007 LIN 09 18 05.66848602 -12 05 43.8060823   14.38 14.8     ~ 1077 1
22 NAME SCP reg ~ ~           ~ 113 0

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