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Chemistry in Shocked Interstellar Gas
| Content Provider | Scilit |
|---|---|
| Author | Mitchell, George F. |
| Copyright Year | 1987 |
| Description | In its passage through the interstellar gas, a shock imposes massive and irreversible changes on the chemical composition of the gas. The synthesis of molecules from atoms and atomic ions can be highly efficient behind non-dissociative (i.e. slow) shocks. Results of kinetic calculations behind non-dissociative shocks are reviewed here, with emphasis given to the dependence of the postshock molecular composition on initial cloud properties. It is shown that a dense cloud shock can convert essentially all neutral atoms into various molecules. Even in diffuse and unshielded regions, a variety of molecules can attain a high abundance behind shocks. The suggestion that the widespread diffuse cloud species $CH^{+}$ is shock synthesized is critically examined in the light of new calculations. |
| Related Links | https://www.cambridge.org/core/services/aop-cambridge-core/content/view/16BD6CFE9732DA1A525EC9B2334CCA70/S0074180900154154a.pdf/div-class-title-chemistry-in-shocked-interstellar-gas-div.pdf |
| Ending Page | 287 |
| Page Count | 13 |
| Starting Page | 275 |
| ISSN | 00741809 |
| DOI | 10.1017/s0074180900154154 |
| Journal | Symposium - International Astronomical Union |
| Volume Number | 120 |
| Language | English |
| Publisher | Cambridge University Press (CUP) |
| Publisher Date | 1987-01-01 |
| Access Restriction | Open |
| Subject Keyword | International Astronomical Union Physical Chemistry |
| Content Type | Text |
| Resource Type | Article |
