Discovery of shocked CO within a supernova remnant.
Discovery of shocked CO within a supernova remnant.
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DOI：
10.1086/183057
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发表时间：
1979-09
期刊：
影响因子：
--
通讯作者：
L. Denoyer
中科院分区：
文献类型：
--
作者：
L. Denoyer
在超新星遗迹IC 443中可以看到受冲击的CO，与加速的H I和OH云有关。CO线的速度宽度为20 km /s /sup -1/，看起来很薄。受冲击气体中的Co柱密度约为。10/sup 16/ cm/sup -2/，与震前云中测量到的相似。在一个激波区，基态OH/CO柱密度比激波前云提高了两个数量级。
Shocked CO is seen within the supernova remnant IC 443, in association with the accelerated H I and OH clouds. The CO lines have velocity widths of 20 km s/sup -1/ and appear to be optically thin. Co column densities in the shocked gas, approx.10/sup 16/ cm/sup -2/, are similar to those measured in the preshock cloud. The ratio of ground-state OH/CO column densities is enhanced by two orders of magnitude in one shocked region, as compared with preshock cloud.