Free Access
Table 2
Constraints used by the CAST long-term, mid-term, and short-term schedulers.
| Constraint | Long-term | Mid-term | Short-term |
|
|
|||
| Hard constraints | |||
|
|
|||
| Night | √ | √ | √ |
| Elevation | √ | √ | √ |
| Moon influence | √ | √ | √ |
| Visibility duration | √ | √ | √ |
| Pointing | √ | √ | √ |
| Overlapping | √ | √ | |
| Overhead time | √ | √ | |
| Environmental conditions | √ | ||
|
|
|||
| Soft constraints | |||
|
|
|||
| Observing time | √ | √ | |
| Observation deviation | √ | √ | |
| Observing cadence | √ | ||
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.