2017MNRAS.466.3434S

Query : 2017MNRAS.466.3434S

2017MNRAS.466.3434S - Mon. Not. R. Astron. Soc., 466, 3434-3441 (2017/April-2)

Suzaku analysis of the supernova remnant G306.3-0.9 and the gamma-ray view of its neighbourhood.

SEZER A., ERGIN T. and YAMAZAKI R.

Abstract (from CDS):

We present an investigation of the supernova remnant (SNR) G306.3-0.9, using archival multiwavelength data. The Suzaku spectra are well described by two-component thermal plasma models: the soft component is in ionization equilibrium and has a temperature ∼0.59 keV, while the hard component has temperature ∼3.2 keV and ionization time-scale ∼2.6 x 1010 cm–3 s. We clearly detected Fe K-shell line at energy of ∼6.5 keV from this remnant. The overabundances of Si, S, Ar, Ca and Fe confirm that the X-ray emission has an ejecta origin. The centroid energy of the Fe K line supports that G306.3-0.9 is a remnant of a Type Ia supernova (SN) rather than a core-collapse SN. The GeV gamma-ray emission from G306.3-0.9 and its surrounding were analysed using about 6-yr of Fermi data. We report about the non-detection of G306.3-0.9 and the detection of a new extended gamma-ray source in the south-west of G306.3-0.9 with significance of ∼13σ. We discuss several scenarios for these results with the help of data from other wavebands to understand the SNR and its neighbourhood.

Abstract Copyright: © 2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): ISM: individual objects: G306.3-0.9 - ISM: supernova remnants - gamma-rays: ISM - X-rays: ISM - X-rays: ISM

Nomenclature: Fig. 3, Paragr.3.2: [SEY2017] SourceA N=1.

Simbad objects: 17

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Number of rows : 17
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 G130.7+03.1 SNR 02 05 35.73 +64 49 41.3           ~ 661 4
2 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
3 M 1 SNR 05 34 31.8 +22 01 03           ~ 6516 1
4 NAME Vela X Psr 08 33 08.880 -45 11 24.36           ~ 302 1
5 PSR J1301-6305 Psr 13 02 47.9992676 -63 10 48.001099           ~ 139 2
6 3FGL J1305.7-6241 gam 13 05 35.1 -62 41 38           ~ 13 0
7 3FGL J1311.8-6230 gam 13 12 37 -62 31.7           ~ 14 0
8 2FGL J1312.0-6458 Bla 13 16 15 -64 46.2           ~ 10 0
9 SNR G306.3-00.8 gam 13 17.3 -62 58           ~ 2 1
10 1FGL J1317.5-6318c gam 13 17 31.3 -63 16 43           ~ 16 0
11 SNR G306.3-00.9 SNR 13 21 50.9 -63 33 50           ~ 28 0
12 3A 1510-590 Psr 15 13 17.000 -59 04 54.00           ~ 434 3
13 SNR G338.3-00.0 SNR 16 40 43.2 -46 31 48           ~ 175 2
14 SNR G349.7+00.2 SNR 17 18 10.160 -37 18 53.80           ~ 196 0
15 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
16 SNR G031.9+00.0 SNR 18 49 16.3 -00 55 01           ~ 368 2
17 NAME Galactic Ridge ? ~ ~           ~ 543 1

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