Open Access
Table 1.
Results from our gas release model for the total masses, number densities in the belt, and column densities along the line of sight to a star.
| Species | Value |
|---|---|
| Total masses in M⊕ | |
| CO | 2 × 10−12 |
| CO+ | 2 × 10−14 |
| C0 | 10−12 |
| C+ | 6 × 10−12 |
| O0 | 10−12 |
| O+ | 8 × 10−12 |
| Number densities in cm−3 at the center of the belt (45 au) | |
| CO | 3 × 10−7 |
| CO+ | 3 × 10−10 |
| C0 | 4 × 10−9 |
| C+ | 5 × 10−12 |
| O0 | 4 × 10−9 |
| O+ | 5 × 10−12 |
| Column densities along the midplane of the belt in cm−2 | |
| CO | 2 × 108 |
| CO+ | 7 × 105 |
| C0 | 2 × 107 |
| O0 | 2 × 107 |
| C+ | 107 |
| O+ | 107 |
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