Free Access
Table 1
Sky conditions at Chajnantor from Otárola et al. (2005): percentiles of the distribution of the 225 GHz sky optical depth τ225 with its corresponding value and the equivalent amount of precipitable water vapor (PWV).
| Percentile | τ 225 | PWV (mm) |
|
|
||
| 10% | 0.025 | 0.30 |
| 25% | 0.0383 | 0.58 |
| 50% | 0.0625 | 1.08 |
| 75% | 0.1174 | 2.22 |
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.