Table 1.
Metis cosmic-ray matrix GCR and SEP track average observations in February 2023 in comparison to GCR observations in 2020 and 2022.
| Straight | Slant | Squares | Total | |
|---|---|---|---|---|
| May 2020 | ||||
| (GCRs) | ||||
| Average | 188 | 79 | 4 | 271 ± 22 |
| May 2022 | ||||
| (GCRs) | ||||
| Average | 151 | 57 | 4 | 212 ± 6 |
| February 2023 | ||||
| (GCRs) | ||||
| Average | 83 | 36 | 1 | 120 ± 5 |
| February 2023 | ||||
| (GCRs+SEPs) | ||||
| Average | 108 | 51 | 2 | 161 ± 5 |
Notes. The uncertainties indicate the standard deviations from averages for each set of cosmic-ray matrices. Data gathered in 2022 and 2023 have been normalized to one minute exposure time for comparison with the previous analyses carried out in 2020. Examples of the track topologies are reported in Fig. 7.
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