Open Access
Table 4.
RMS differences between the daily plage areas derived from all analysed datasets and those from the Ko and MW series before and after their calibration.
| Uncalibrated | Calibrated | |||
|---|---|---|---|---|
| Ko | MW | Ko | MW | |
| Ar (before 29 May 1953) | 0.012 | 0.022 | 0.012 | 0.014 |
| Ar (after 29 May 1953) | 0.015 | 0.014 | 0.011 | 0.012 |
| Ko | 0.000 | 0.018 | 0.000 | 0.013 |
| MM | 0.013 | 0.019 | 0.011 | 0.016 |
| MD | 0.016 | 0.010 | 0.011 | 0.010 |
| Mi (before 01 February 1966) | 0.017 | 0.021 | 0.013 | 0.017 |
| Mi (after 01 February 1966) | 0.025 | 0.014 | 0.011 | 0.010 |
| MW (before 21 August 1923) | 0.020 | 0.000 | 0.007 | 0.000 |
| MW (after 21 August 1923) | 0.018 | 0.000 | 0.011 | 0.000 |
| Sc/WS | 0.015 | 0.019 | 0.014 | 0.015 |
Notes. The first two columns with RMS differences are for the uncalibrated series, while the last two are for the calibrated series, as described in Sect. 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.