Open Access
Table 2.
Ca, Ca+, and O column density in cm−2.
| Epoch/Age | [Ca II]λ7323 | [Ca II]λ7291 | [O I]λ6364 | [O I]λ6300 | [Ca I]λ6573 |
|---|---|---|---|---|---|
| 1/10 | 5.0e17 | 5.0e17 | 3.4e20 | 3.8e20 | 8.0e13 |
| 2/15 | 5.5e17 | 4.0e17 | 2.0e20 | 2.2e20 | 1.3e14 |
| 3/17 | 5.5e17 | 3.7e17 | 1.9e20 | 2.3e20 | 1.4e14 |
| 4/25 | 5.5e17 | 5.0e17 | 1.6e20 | 3.4e20 | 2.4e14 |
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