| 超新星遗迹 |
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| 引用本文： | 汪珍如.超新星遗迹[J].天文学进展,2001,19(2):238-240. |
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| 作者姓名： | 汪珍如 |
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| 作者单位： | 南京大学天文系 |
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| 摘 要： | 展示了近年来国际上由多波段观测发现的不寻常（异常）形态的超新星遗迹，其中有些是独一无二的，如CTB109的半圆形和SS433周围的一连串红红结节，有些是带有一定代表性的，如中心增亮但无点源，以及射电形态上的双瓣和对向等，介绍了作者主持并参与的在超新星异常形态方向较为系统的理论工作，指出其根本成因是由星队介质，星周介质和前身星的多样性引起的，此外，还介绍了Chandra卫星（美国宇航局发射的）在超新星遗迹上取得的最新进展，展示了若干著名遗迹的X射线图像，并作了简单的解释。
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| 关 键 词： | 超新星遗迹 异常形态 星队介质 星周介质 前身星 |
| 修稿时间： | 2000年12月28 |
Supernova Remnants |
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| Wang,zhenru.Supernova Remnants[J].Progress In Astronomy,2001,19(2):238-240. |
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| Authors: | Wang zhenru |
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| Abstract: | The images of supernova remnants(SNRs) with unusual morphology are presented. Some of them are unique, e. g., the semicircular shell of CTB109 and a string of infrared knots around SS433. The others are rather representational, e. g., the morphology of center-brightened but without central compact point source and that of the double lobes and bipolar in radio and so on. A series theoretical models for the unusual morphology of SNRs are suggested by us and are listed here. It can be seen from our models that the fundamental reasons of unusual morpology of SNRs are the diversilication of the interstellar medium, circumstellar medium around their supernovae and the nature or activity of their progenitors. Besides, the grest achievement of Chandra (the newest X-ray satillite launched by NASA) is introduced. The images of several famous SNRs obtained from Chandra are presented, and sample explanation of them is given. |
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| Keywords: | supernova- supernova renmant-unusual marphology |
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