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Salt, Hot Water, and Silicon Compounds Tracing Massive Twin Disks
The Astrophysical Journal Letters ( IF 8.8 ) Pub Date : 2020-08-24 , DOI: 10.3847/2041-8213/abadfc
Kei E. I. Tanaka 1, 2 , Yichen Zhang 3 , Tomoya Hirota 1, 4 , Nami Sakai 3 , Kazuhito Motogi 5 , Kengo Tomida 2, 6 , Jonathan C. Tan 7, 8 , Viviana Rosero 9 , Aya E. Higuchi 1 , Satoshi Ohashi 3 , Mengyao Liu 8 , Koichiro Sugiyama 1, 10
Affiliation  

We report results of ##IMG## [http://ej.iop.org/images/2041-8205/900/1/L2/apjlabadfcieqn1.gif] {$0\buildrel{\prime\prime}\over{.} 05$} -resolution observations toward the O-type proto-binary system IRAS 16547–4247 with the Atacama Large Millimeter/submillimeter Array. We present dynamical and chemical structures of the circumbinary disk, circumstellar disks, outflows, and jets, illustrated by multi-wavelength continuum and various molecular lines. In particular, we detect sodium chloride, silicon compounds, and vibrationally excited water lines as probes of the individual protostellar disks at a scale of 100 au. These are complementary to typical hot-core molecules tracing the circumbinary structures on a 1000 au scale. The H 2 O line tracing inner disks has an upper-state energy of ##IMG## [http://ej.iop.org/images/2041-8205/900/1/L2/apjlabadfcieqn2.gif] {${E}_{u}/k\gt 3000\,{\rm{K}}$} , indicating a high temperature of the dis...

中文翻译:

追踪大量双盘的盐,热水和硅化合物

我们报告## IMG ##的结果[http://ej.iop.org/images/2041-8205/900/1/L2/apjlabadfcieqn1.gif] {$ 0 \ buildrel {\ prime \ prime} \ over {。 } 05 $}-使用Atacama大毫米/亚毫米阵列对O型原型二元系统IRAS 16547-4247的分辨率观测。我们介绍了由多波长连续体和各种分子线说明的环盘,星盘,流出和射流的动力学和化学结构。特别是,我们检测氯化钠,硅化合物和振动激发的水线,作为单个原恒星圆盘的探针,规模为100 au。这些与在1000 au规模上追踪周围结构的典型热核分子互补。跟踪内部磁盘的H 2 O线的状态能量为## IMG ## [http://ej.iop。
更新日期:2020-08-26
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