2016ApJ...818..114K

Query : 2016ApJ...818..114K

2016ApJ...818..114K - Astrophys. J., 818, 114 (2016/February-3)

Fermi LAT discovery of extended gamma-ray emissions in the vicinity of the HB 3 supernova remnant.

KATAGIRI H., YOSHIDA K., BALLET J., GRONDIN M.-H., HANABATA Y., HEWITT J.W., KUBO H. and LEMOINE-GOUMARD M.

Abstract (from CDS):

We report the discovery of extended gamma-ray emission measured by the Large Area Telescope (LAT) onboard the Fermi Gamma-ray Space Telescope in the region of the supernova remnant (SNR) HB 3 (G132.7+1.3) and the W3 II complex adjacent to the southeast of the remnant. W3 is spatially associated with bright 12CO (J = 1-0) emission. The gamma-ray emission is spatially correlated with this gas and the SNR. We discuss the possibility that gamma rays originate in interactions between particles accelerated in the SNR and interstellar gas or radiation fields. The decay of neutral pions produced in nucleon-nucleon interactions between accelerated hadrons and interstellar gas provides a reasonable explanation for the gamma-ray emission. The emission from W3 is consistent with irradiation of the CO clouds by the cosmic rays accelerated in HB 3.

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Journal keyword(s): acceleration of particles - cosmic rays - gamma rays: ISM - ISM: individual: (HB 3, W3) - ISM: supernova remnants

Simbad objects: 13

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Number of rows : 13
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 2FGL J0214.5+6251c gam 02 14 33 +62 51.2           ~ 6 0
2 SNR G132.6+01.5 SNR 02 17 40 +62 45.0           ~ 179 0
3 2FGL J0218.7+6208c gam 02 18 43 +62 08.4           ~ 6 0
4 1FGL J0220.0+6257 gam 02 20 00 +62 57.7           ~ 7 0
5 1FGL J0224.0+6201c gam 02 24 02 +62 01.0           ~ 20 0
6 3EG J0229+6151 gam 02 25 53 +61 59.2           ~ 22 0
7 W 3 MoC 02 27 04.10 +61 52 27.1           ~ 1032 3
8 LS I +61 303 HXB 02 40 31.6644419688 +61 13 45.593918580 11.27 11.61 10.75 10.19 9.55 B0Ve 853 2
9 NAME Vela XYZ Rad 08 34.0 -45 50           ~ 1231 2
10 GRB 120911B gB 11 28 35 -37 41.8           ~ 11 0
11 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 14436 0
12 SNR G006.4-00.1 SNR 18 00 31.2011719 -23 25 48.001099           ~ 738 1
13 SNR G034.6-00.5 SNR 18 56 10.650 +01 13 21.30           ~ 965 2

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