2023MNRAS.519.5345B

Query : 2023MNRAS.519.5345B

2023MNRAS.519.5345B - Mon. Not. R. Astron. Soc., 519, 5345-5351 (2023/March-2)

Hybrid pulsar-magnetar model for FRB 20191221A.

BENIAMINI P. and KUMAR P.

Abstract (from CDS):

We show that the 216.8 ± 0.1 ms periodicity reported for the fast radio burst (FRB) 20191221A is very constraining for burst models. The high accuracy of burst periodicity (better than one part in 103), and the 2 per cent duty cycle (ratio of burst duration and interburst interval), suggest a pulsar-like rotating beam model for the observed activity; the radio waves are produced along open field lines within ∼107 cm of the neutron star surface, and the beam periodically sweeps across the observer as the star spins. According to this picture, FRB 20191221A is a factor ∼1012 scaled up version of galactic pulsars with one major difference, whereas pulsars convert rotational kinetic energy to EM waves and the outbursts of 20191221A require conversion of magnetic energy to radiation.

Abstract Copyright: © 2023 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society

Journal keyword(s): stars: neutron - fast radio bursts

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 FRB 20191221A rB 02 57 21.600 +79 43 12.00           ~ 34 0

Query : 2023MNRAS.519.5345B

Basic data :
FRB 20191221A -- Radio Burst
Other object types: otypes_help 		rB (FRB)
ICRS coord. (ep=J2000) : 		02 57 21.600 +79 43 12.00 (Radio) [ ] D TNS
FK4 coord. (ep=B1950 eq=1950) : 		02 50 36.854 +79 31 05.19 [ ]
Gal coord. (ep=J2000) : 		128.563446 +18.253047 [ ]
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Identifiers (1) :
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FRB 20191221A

References (34 between 1850 and 2026) (Total 34)
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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