Table 2.
Relative streamline angular deviation Δϕ between methods (a) and (c) and between (b) and (c) for the typical range of heliocentric distances covered by PSP (0.05–0.3 au), SolO (0.3–1 au), and Ulysses (> 1 au) based on the iso-poly ur profiles.
| Ecliptic plane (θ = 0°) | |||
|---|---|---|---|
| ur (1 au) | < 350 km s−1 | 350–550 km s−1 | > 550 km s−1 |
| |Δφ(a|c)| (PSP) | ≤3° | ≤1.5° | ≤0.5° |
| |Δφ(a|c)| (SolO) | ≤4° | ≤2″ | ≤1° |
| |Δφ(a|c)| (Ulysses) | ≤4° | ≤2° | ≤1° |
| |Δφ(b|c)| (PSP) | 5°–18° | 1.5°–5° | ≤0.5° |
| |Δφ(b|c)| (SolO) | 8″–18° | 3°–6° | ∼0.5° |
| |Δφ(b|c)| (Ulysses) | 8°–18° | 3°–6° | ∼0.5° |
| Polar region (θ = 60°) | |||
| ur (1 au) | < 350 km s−1 | 350–550 km s−1 | > 550 km s−1 |
| |Δφ(a|c)| (PSP) | 1.5°–6° | ≤2″ | ≤0.5° |
| |Δφ(a|c)| (SolO) | 3°–7° | 1.5″ − 3″ | ≤1° |
| |Δφ(a|c)| (Ulysses) | 2°–7° | 0.5°–3° | ≤1° |
| |Δφ(b|c)| (PSP) | 4°–14° | 1.5°–4° | ≤0.5° |
| |Δφ(b|c)| (SolO) | 6″–14° | 2°–4° | ∼0.5° |
| |Δφ(b|c)| (Ulysses) | 6°–14° | 2°–4° | ∼0.5° |
Notes. The wind speed indicated in the table is the typical ur computed at 1 au with the iso-poly models. Deviations for a mapping at polar latitude are also computed and summarized.
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.