2013ApJ...779..117Y

Query : 2013ApJ...779..117Y

2013ApJ...779..117Y - Astrophys. J., 779, 117 (2013/December-3)

Fermi large area telescope detection of a break in the gamma-ray spectrum of the supernova remnant Cassiopeia A.

YUAN Y., FUNK S., JOHANNESSON G., LANDE J., TIBALDO L. and UCHIYAMA Y.

Abstract (from CDS):

We report on observations of the supernova remnant Cassiopeia A in the energy range from 100 MeV to 100 GeV using 44 months of observations from the Large Area Telescope on board the Fermi Gamma-Ray Space Telescope. We perform a detailed spectral analysis of this source and report on a low-energy break in the spectrum at 1.72–0.89+1.35 GeV. By comparing the results with models for the gamma-ray emission, we find that hadronic emission is preferred for the GeV energy range.

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Journal keyword(s): acceleration of particles - gamma rays: general - ISM: supernova remnants - radiation mechanisms: non-thermal - supernovae: individual: Cassiopeia A

Simbad objects: 10

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Number of rows : 10
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 NAME Per Arm PoG 03 30 +45.0           ~ 1672 0
2 IC 443 SNR 06 17 00.0000000 +22 34 11.998901           ~ 1314 1
3 SNR G034.6-00.5 SNR 18 56 10.650 +01 13 21.30           ~ 1034 2
4 PSR J2229+6114 Psr 22 29 05.262 +61 14 08.48           ~ 252 2
5 PSR J2238+5903 Psr 22 38 28.089 +59 03 43.37           ~ 42 0
6 PSR J2240+5832 Psr 22 40 42.939 +58 32 37.52           ~ 35 0
7 2FGL J2257.5+6222c gam 22 56 30.7 +62 12 36           ~ 9 0
8 NGC 7538 OpC 23 13 37 +61 30.0           ~ 920 1
9 NAME Cas A SNR 23 23 26.0 +58 48 41     14.30     ~ 3033 1
10 SNR G114.3+00.3 SNR 23 37 05.780 +61 51 01.69           ~ 130 1

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