2024ApJ...963..109H

Query : 2024ApJ...963..109H

2024ApJ...963..109H - Astrophys. J., 963, 109 (2024/March-2)

A Detectable Ultra-high-energy Cosmic-Ray Outburst from GRB 221009A.

HE H.-N., ZHANG B.T. and FAN Y.-Z.

Abstract (from CDS):

Gamma-ray bursts (GRBs) have been proposed as one of the promising sources of ultra-high-energy cosmic rays (UHECRs), but observational evidence is still lacking. The nearby brightest of all time GRB 221009A, a once in 1000 yr event, is able to accelerate protons to ∼103 EeV, and then generate extremly energetic neutrons via the photomeson production interaction. Protons arriving at the Milky Way are dominated by neutron-decay-induced protons. The intergalactic magnetic fields would not yield a sizable delay of the ≥10 EeV cosmic rays if its strength is ≲10–13 G, while Galactic magnetic fields would cause a significant time delay. We predict that a UHECR burst from GRB 221009A would be detectable by the Pierre Auger Observatory and the TA×4, within ∼10 yr. The detection of such a UHECR outburst will provide the direct evidence for UHECR acceleration in GRBs.

Abstract Copyright: © 2024. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Gamma-ray bursts - Cosmic rays - Extragalactic magnetic fields - Cosmic ray sources - High energy astrophysics

Simbad objects: 1

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Number of rows : 1
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 GRB 221009A gB 19 13 03.85 +19 46 22.7           ~ 433 0

Query : 2024ApJ...963..109H

Basic data :
GRB 221009A -- Gamma-ray Burst
Other object types: otypes_help 		gB (GRB,Fermi), X (SWIFT)
ICRS coord. (ep=J2000) : 		19 13 03.85 +19 46 22.7 (X-ray) [ 3500 3500 ] D SWIFT
FK4 coord. (ep=B1950 eq=1950) : 		19 10 52.86 +19 41 13.1 [ 3500 3500 ]
Gal coord. (ep=J2000) : 		052.96008 +04.32099 [ 3500 3500 ]
Radial velocity / Redshift / cz : 		V(km/s) 41757 [~] / z(spectroscopic) 0.1505 [~] / cz 45119 [~]
   D 2022GCN.32686....1C
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Identifiers (3) :
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GRB 221009A Fermi bn221009553 SWIFT J1913.1+1946

References (433 between 1850 and 2026) (Total 433)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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External archives :

Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Data at NED - NASA/IPAC Extragalactic Database : GRB 221009A

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