2019MNRAS.488.4288C


C.D.S. - SIMBAD4 rel 1.7 - 2021.05.15CEST23:45:08

2019MNRAS.488.4288C - Mon. Not. R. Astron. Soc., 488, 4288-4306 (2019/September-3)

Modelling pulsed gamma-ray emissions from millisecond pulsars with double peaks.

CHANG S., ZHANG L., LI X. and JIANG Z.

Abstract (from CDS):

Pulsed γ-ray properties of 22 millisecond pulsars (MSPs) with double peaks are studied in the revised versions of the outer gap (OG) and the stripped wind (SW) models. The major differences between these two models are magnetic field structures, γ-ray production sites, and radiation mechanisms. In the models, γ-ray light curves of these MSPs are calculated through a Markov chain Monte Carlo (MCMC) method to pick best-fitting model parameters. Our results indicate that (1) both models can reproduce observed double-peak structures of the MSPs well, for most MSPs, a relatively large magnetic inclination angle (α ∼ 50°-90°) and small viewing angle (ζ ∼ 30°-90°) are obtained in the OG model, but a relatively small α ∈ (20°, 60°) and large ζ ∈ (70°, 150°) in the SW model; (2) phase-averaged spectra, cut-off energy, and γ-ray luminosity calculated in both models are consistent with observed those by Fermi-Large Area Telescope (LAT). Therefore, it may be concluded that the OG and the SW models for describing high-energy emissions of MSPs cannot be ruled out at present, and further studies are required.

Abstract Copyright: © 2019 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): radiation mechanisms: non-thermal - (stars:) pulsars: general - gamma-rays: stars

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 - 2021
#notes
1 PSR J0023+0923 Psr 00 23 16.890 +09 23 24.18           ~ 78 0
2 PSR J0030+0451 Psr 00 30 27.4277 +04 51 39.710           ~ 287 1
3 PSR J0034-05 Psr 00 34 21.8281 -05 34 36.620           ~ 163 0
4 PSR J0101-6422 Psr 01 01 11.1163 -64 22 30.171           ~ 41 0
5 PSR J0103+48 Psr 01 03 00.000 +48 00 00.00           ~ 28 0
6 PSR B0613-02.0 Psr 06 13 43.9759 -02 00 47.228           ~ 213 1
7 PSR J0614-3329 Psr 06 14 10.3479 -33 29 54.116           ~ 75 1
8 PSR J1231-1411 Psr 12 31 11.3069 -14 11 43.628           ~ 93 0
9 PSR J1514-4946 Psr 15 14 19.1142 -49 46 15.528           ~ 35 0
10 PSR J1614-2230 Psr 16 14 36.5070 -22 30 31.207           ~ 312 1
11 PSR J1744-1134 Psr 17 44 29.4172 -11 34 54.710           ~ 217 1
12 PSR J1747-4036 Psr 17 47 29.000 -40 36 00.00           ~ 47 0
13 PSR J1810+17 Psr 18 10 37.2803754941 +17 44 37.471906499           ~ 74 0
14 PSR J1820-30A Psr 18 23 40.4842 -30 21 39.920           ~ 131 1
15 PSR J1902-5105 Psr 19 02 02.8476 -51 05 56.969           ~ 34 0
16 PSR B1937+21 Psr 19 39 39.6 +21 37 22           ~ 983 2
17 PSR J1959+2048 Psr 19 59 36.7480 +20 48 14.599   20.4       ~ 719 2
18 PSR J2017+0603 Psr 20 17 22.7048 +06 03 05.585           ~ 80 1
19 PSR J2043+1711 Psr 20 43 20.8828 +17 11 28.941           ~ 83 1
20 PSR J2215+51 Psr 22 15 32.6864199137 +51 35 36.406276103           ~ 98 0
21 PSR J2241-5236 Psr 22 41 42.03161 -52 36 36.2492           ~ 79 1
22 PSR J2302+4442 Psr 23 02 46.9789 +44 42 22.102           ~ 80 0

    Equat.    Gal    SGal    Ecl

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2021.05.15-23:45:08

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