2006PASJ...58L..11T


Query : 2006PASJ...58L..11T

2006PASJ...58L..11T - Publ. Astron. Soc. Jap., 58, L11-L14 (2006/February-0)

Discovery of a featureless X-ray spectrum in the supernova remnant shell of G330.2+1.0.

TORII K., UCHIDA H., HASUIKE K., TSUNEMI H., YAMAGUCHI Y. and SHIBATA S.

Abstract (from CDS):

begin{HTML} We report here on the first pointed X-ray observation of the supernova remnant (SNR) G330.2+1.0. The X-ray morphology is characterized by an extended shell. Its X-ray spectrum is well represented by a single power-law function with a photon index of g ≃2.8 and interstellar absorption of n<sub>H</sub> ≃2.6 x 10<sup>22</sup> [cm<sup>-2</sup>]. We interpret this emission as synchrotron radiation from accelerated electrons at the SNR shock, as seen in SN 1006. The surface brightness of the X-ray emission is anti-correlated with the radio emission, and the power-law spectrum is dominated at the western shell where the radio emission is weak. The co-existence of two distinct (radio bright/X-ray faint and radio faint/X-ray bright) shells in a single supernova remnant challenges our understanding of the particle acceleration and radiation mechanisms in different interstellar environments. The object may be a good target for searching TeV gamma-rays and molecular gas surrounding the blast shock. We also report on the nature of a bright point-like source (AX J1601-5143) to the south of the SNR.

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Journal keyword(s): acceleration of particles - ISM: supernova remnants - X-rays: individual: G330.2+1.0

Simbad objects: 9

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Number of rows : 9
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 SN 1572A SN* 00 25 21.5 +64 08 27           B8 1254 1
2 NAME Vela Jr SN SNR 08 52.0 -46 20           ~ 507 2
3 NAME Lupus SN SNR 15 02 22.1 -42 05 49           ~ 1407 1
4 NAME Nor Arm PoG 16 00 -50.0           ~ 485 0
5 AX J1600.9-5142 WR* 16 00 50.47872 -51 42 44.9784           WC8+WN4-6b 27 1
6 SNR G330.2+01.0 SNR 16 01.1 -51 34           ~ 93 1
7 SNR G347.3-00.5 SNR 17 12 27 -39 41.2     12.27     ~ 761 1
8 NAME Kepler's SN SNR 17 30 40.51 -21 29 14.4           ~ 851 3
9 NAME Cas A SNR 23 23 26.0 +58 48 41     14.30     ~ 3033 1

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