| Autor: |
Schutte, WA, Greenberg, JM, Van Dishoeck, EF, Tielens, AGGM, Boogert, ACA, Whittet, DCB |
| Přispěvatelé: |
Kapteyn Astronomical Institute |
| Jazyk: |
angličtina |
| Rok vydání: |
1998 |
| Předmět: |
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| Zdroj: |
Astrophysics and Space Science, 255(1-2), 61-66 |
| ISSN: |
0004-640X |
| Popis: |
ISO-SWS observations of the highly obscured young stellar object W 33A reveal two broad absorption features centered at 7.24 and 7.40 mu m The position and width of these features indicates that they are due to the XH bending mode (X= C, N, or O) of molecules in the solid state. Comparison to interstellar ice analogs shows that the 7.24 mu m band can be well matched by solid formic acid (HCOOH), while the 7.40 mu m band can be fitted both by the formate ion (HCOO-) and acetaldehyde (CH3HCO). The laboratory spectra reveal additional strong features of these molecules which should make a more definite identification straightforward. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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