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Title:
A Deep Chandra Observation of the O-Rich SNR 0540-69.3 in the LMC
Authors:
Park, Sangwook; Hughes, J.; Slane, P.; Burrows, D.; Mori, K.
Affiliation:
AA(Pennsylvania State Univ), AB(Rutgers Univ), AC(CfA), AD(Pennsylvania State Univ), AE(Univ of Miyazaki, Japan)
Publication:
2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #156.18; Bulletin of the American Astronomical Society, Vol. 38, p.1115
Publication Date:
12/2006
Origin:
AAS
Bibliographic Code:
2006AAS...20915618P

Abstract

We performed a deep 120 ks Chandra observation of supernova remnant (SNR) 0540-69.3 in the Large Magellanic Cloud (LMC). SNR 0540-69.3 is one of only two members classified as "oxygen-rich" SNRs in the LMC. This SNR also contains a 50 ms pulsar and its wind-blown nebula (PWN). We search for the O-rich ejecta material whose presence is known in the optical band, but has been controversial in X-rays. High photon statistics obtained with the deep exposure allow us to characterize the spectral properties of the complex network of the shocked ISM and the faint nonthermal arcs. Using the 1/4 subarray mode of the ACIS, our data are less contaminated by the pile-up than previous observations, which is useful for the spectral study of the PWN. We present the first results of the spectral and imaging analyses. This work was supported in part by the SAO grant GO5-6063X.
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