Supernova Remnants in the Magellanic Clouds. V. The Complex Interior Structure of the N206 Supernova Remnant
Supernova Remnants in the Magellanic Clouds. V. The Complex Interior Structure of the N206 Supernova Remnant
复制标题
麦哲伦云中的超新星遗迹。
DOI：
10.1086/431349
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发表时间：
2005
期刊：
影响因子：
--
通讯作者：
G. Hobbs
中科院分区：
文献类型：
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作者：
R. Williams;You;J. Dickel;R. Gruendl;F. Seward;M. A. Guerrero;G. Hobbs
大麦哲伦星云中的N206超新星遗迹（SNR）一直被认为是一个典型的“混合形态”SNR。然而，最近的观察结果给这个熟悉的情节增加了一个新的转折：在信噪比面投影中可以看到一个细长的径向定向无线电特征。利用哈勃太空望远镜、钱德拉和xmm -牛顿的高分辨率和灵敏度，我们获得了光学发射线图像和空间分辨率的x射线光谱图，这是一个有趣的信噪比。我们的研究结果表明，信噪比本身是其进化中后期的残余。与射电线性特征相关的x射线发射强烈表明它是一个脉冲星风星云（PWN）。在这个特征的外端发现了一个小的x射线结。该特征的细长形态和周围的楔形x射线增强强烈提示弓形激波PWN结构。
The N206 supernova remnant (SNR) in the Large Magellanic Cloud has long been considered a prototypical "mixed morphology" SNR. Recent observations, however, have added a new twist to this familiar plot: an elongated, radially oriented radio feature seen in projection against the SNR face. Utilizing the high resolution and sensitivity available with the Hubble Space Telescope, Chandra, and XMM-Newton, we have obtained optical emission line images and spatially resolved X-ray spectral maps for this intriguing SNR. Our findings present the SNR itself as a remnant in the middle to late stages of its evolution. X-ray emission associated with the radio linear feature strongly suggests it to be a pulsar wind nebula (PWN). A small X-ray knot is discovered at the outer tip of this feature. The feature's elongated morphology and the surrounding wedge-shaped X-ray enhancement strongly suggest a bow shock PWN structure.