2013A&A...555A..48B

Query : 2013A&A...555A..48B

2013A&A...555A..48B - Astronomy and Astrophysics, volume 555A48-48 (2013/7-1)

TeV cosmic-ray proton and helium spectra in the myriad model.

BERNARD G., DELAHAYE T., KEUM Y.-Y., LIU W., SALATI P. and TAILLET R.

Abstract (from CDS):

Recent measurements of cosmic ray proton and helium spectra show a hardening above a few hundred GeV. This excess is hard to understand in the framework of the conventional models of Galactic cosmic ray production and propagation. We propose here to explain this anomaly by the presence of local sources (myriad model). Cosmic ray propagation is described as a diffusion process taking place inside a two-zone magnetic halo. We calculate the proton and helium fluxes at the Earth between 50GeV and 100TeV. As an improvement over a similar analysis, we consistently derive these fluxes by taking both local and remote sources for which a unique injection rate is assumed into account. We find cosmic ray propagation parameters compatible with B/C measurements for which the proton and helium spectra agree remarkably with the PAMELA and CREAM measurements over four decades in energy.

Abstract Copyright: ∼

Journal keyword(s): catalogs - cosmic rays - pulsars: general

Simbad objects: 46

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Number of rows : 46
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 SNR G119.5+10.2 SNR 00 06.6 +72 47           ~ 268 1
2 PSR J0007+7303 Psr 00 07 00.6000137 +73 03 06.849976           ~ 183 1
3 HD 7582 * 01 14 41.4442084776 -57 23 02.327929908   8.75 7.39     K3III 13 0
4 SNR G127.1+00.5 SNR 01 28 20.000 +63 10 00.00           ~ 104 0
5 PSR B0450+55 Psr 04 54 07.709 +55 43 41.51           ~ 174 0
6 SNR G156.2+05.7 SNR 04 58 40 +51 50.0           ~ 126 0
7 SNR G160.8+02.6 SNR 05 01 00.000 +46 40 00.00           ~ 233 0
8 PSR B0458+46 Psr 05 02 04.561 +46 54 06.09           ~ 96 0
9 M 1 SNR 05 34 31.8 +22 01 03           ~ 6516 1
10 V* CM Tau Psr 05 34 31.9474694616 +22 00 52.153698024           ~ 5476 0
11 PSR J0538+2813 Psr 05 38 25.06 +28 17 11.0           ~ 224 1
12 SNR G180.0-01.7 SNR 05 39 00.000 +27 50 00.00           ~ 294 2
13 IC 443 SNR 06 17 00.0000000 +22 34 11.998901           ~ 1314 1
14 NAME MONOCEROS NEB SNR 06 38 43 +06 30.2           ~ 264 0
15 NAME MONOGEM SNR SNR 06 58 50 +13 55.9           ~ 124 0
16 PSR B0656+14 Psr 06 59 48.18800 +14 14 19.2000   24.85 24.90     ~ 943 1
17 NAME Vela SNR 08 34.0 -45 50           ~ 1331 2
18 NAME Vela Pulsar Psr 08 35 20.65525 -45 10 35.1545     15.10     ~ 2446 1
19 NAME Vela Jr SN SNR 08 52.0 -46 20           ~ 507 2
20 PSR J0855-4644 Psr 08 55 36.160 -46 44 13.46           ~ 62 1
21 SNR G272.2-03.2 SNR 09 06 50 -52 07.0           SNIa 78 0
22 PSR B0950+08 Psr 09 53 09.31210 +07 55 36.9000           ~ 806 2
23 NAME Antlia SNR SNR 10 44 -37.2           ~ 33 1
24 PSR J1423-56 Psr 14 24 23.0 -56 40 47           ~ 7 0
25 SNR G315.1+02.7 SNR 14 33 25.000 -57 35 30.00           ~ 29 1
26 NAME Lup Loop SNR 15 10.0 -40 00           ~ 74 0
27 SNR G347.3-00.5 SNR 17 12 27 -39 41.2     12.27     ~ 761 1
28 SN 393 SN* 17 14 -39.8           ~ 47 1
29 SNR G019.0-01.1 SNR 18 29.3 -12 54           ~ 20 1
30 SNR G065.2+05.7 SNR 19 33.0 +31 10           ~ 105 0
31 SNR G065.7+01.2 SNR 19 52 13.70 +29 25 08.0           ~ 106 0
32 SNR G068.8+02.6 SNR 19 52 55 +32 54.2           ~ 361 1
33 PSR B1951+32 Psr 19 52 58.181 +32 52 40.98           ~ 615 2
34 SNR G073.9+00.9 SNR 20 14 15 +36 12.0           ~ 74 0
35 SNR G082.2+05.3 SNR 20 19.0 +45 30           ~ 101 0
36 NAME gam Cyg SNR SNR 20 20 17.100 +40 26 09.00           ~ 247 2
37 SNR G089.0+04.7 SNR 20 45.0 +50 35           ~ 237 0
38 NAME Cyg Loop SNR 20 51.0 +30 40           ~ 964 0
39 CTB 104a Rad 21 27.9 +50 46           ~ 28 0
40 SNR G093.7-00.2 SNR 21 29.3 +50 50           ~ 76 1
41 SNR G107.5-01.5 SNR 22 52 +57.7           ~ 18 0
42 PSR B2334+61 Psr 23 37 05.779 +61 51 01.69           ~ 206 1
43 SNR G114.3+00.3 SNR 23 37 05.780 +61 51 01.69           ~ 130 1
44 SNR G116.5+01.1 SNR 23 53 42.000 +63 15 00.00           ~ 74 0
45 CTB 1 SNR 23 59 13 +62 26.2           ~ 173 0
46 SNR G203.0+12.0 SNR ~ ~           ~ 8 1

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