SIMBAD references

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.

Abstract Copyright:

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

Simbad objects: 9

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