Open Access
Table 3.
Mean initial expansion speed and mean expansion speed after 3 min for observations and simulation.
| Instrument | Number of | Mean initial | Mean expansion | Standard deviation |
|---|---|---|---|---|
| parent granules | expansion speed (km s−1) | speed after 3 min (km s−1) | σ (km s−1) | |
| IRIS 2832 Å | 166 | 3.30 | 1.0 | 1.0 |
| HINODE 4504 Å | 381 | 1.9 | 0.90 | 0.5 |
| THEMIS 6500 Å | 131 | 3.05 | 1.2 | 1.6 |
| SDO 6173 Å | 161 | 3.30 | 0.7 | 0.8 |
| SIMULATION | 637 | 2.05 | 0.9 | 0.6 |
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.