SNR Kes 41的天然分子云。完整表征
Natal molecular cloud of SNR Kes 41. Complete characterisation
摘要：
利用高分辨率的$^{12}$ CO和$^{13}$ CO（$J$ =1-0}）线发射的数据从Mopra南银道面CO调查结合中性氢观测从南银道面调查（SGPS）和中红外斯皮策数据，我们探索了大尺度环境的超新星遗迹Kes 41。在这些数据的基础上，我们第一次确定了Kes 41的整个扩展的母云，并调查了HII区域，脉泽和云中大质量年轻恒星天体的数量。整个被揭开的巨云，位于运动学距离12.0 $\pm$ 3.6 kpc，其平均总质量和大小为$\sim$ 10-30 $\times10^5$ M $_\odot$和$\sim$ $26^{\prime}$，也在$γ$射线中闪耀，正如费米卫星上的大区域望远镜所揭示的那样。我们测定了大分子复合物中的高平均质子密度$\sim$ 500-1000~cm $^{-3}$，其中来自中性原子和电离气体的质子仅占$\sim$的15%.
英文摘要：
Using high-resolution data of the $^{12}$CO and $^{13}$CO ($J$=1-0}) line emission from The Mopra Southern Galactic Plane CO Survey in conjunction with neutral hydrogen observations from the Southern Galactic Plane Survey (SGPS) and mid-infrared Spitzer data, we have explored the large-scale environment of the supernova remnant Kes 41. On the basis of these data, we identified for the first time the parent cloud of Kes 41 in its whole extension and surveyed the HII regions, masers, and the population of massive young stellar objects in the cloud. The whole unveiled giant cloud, located at the kinematic distance of 12.0 $\pm$ 3.6 kpc, whose average total mass and size are $\sim$10-30 $\times10^5$ M$_\odot$ and $\sim$$26^{\prime}$, also shines in $γ$-rays, as revealed by the Large Area Telescope on board the Fermi satellite. We determined a high average proton density $\sim$500-1000~cm$^{-3}$ in the large molecular complex, of which protons from the neutral atomic and ionised gases comprise only $\sim$15%.
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