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| Paper: |
Measuring ISM Molecular Abundances in the Direction of Cassiopeia A by Comparing X-ray and Radio Absorption Studies |
| Volume: |
99, Cosmic Abundances |
| Page: |
362 |
| Authors: |
Keohane, Jonathan W. |
| Abstract: |
ASCA derived column densities are compared with 21 cm H I and 18 cm OH optical depths in the direction of Cas A. The H I spin temperature and the ratio OH/H_2 are measured. Revised abundance ratios are calculated for the molecules: 13CO, 12CO, H2CO and NH3. |
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