Table 1.
Magnetic connectivity between spacecraft and the Sun.
(1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) |
---|---|---|---|---|---|---|---|---|---|
PFSS (a) |
ADAPT-WSA (a) |
||||||||
Spacecraft | r | Long. (b) | Lat. (b) | Vobs | Long. (b) | Lat. (b) | Polarity | Long. (b)(c) | Lat. (b)(c) |
(au) | (°) | (°) | (km s−1) | (°) | (°) | (O, M) | (°) | (°) | |
Flare | – | 203 | −17 | – | – | – | – | – | – |
BepiColombo | 0.63 | 180.3 | −0.2 | 400 (d) | 202.5 | 62.4 | (+, +) | 204.1 ± 2.8 | 62.2 ± 2.1 |
PSP | 0.42 | 104.3 | 3.8 | 328 | 146.7 | 28.6 | (+, +) | 131.1 ± 8.4 | 65.3 ± 1.1 |
Solar orbiter | 0.84 | 215.8 | 0.4 | 375 | 266.7 | −21.5 | (–, –) | 267.9 ± 0.2 | −21.8 ± 0.1 |
STA | 0.97 | 260.5 | −7.2 | 385 | 329.1 | −32.7 | (–, –) | 329.3 ± 0.3 | −32.5 ± 0.2 |
L1 | 1.00 | 314.2 | −5.4 | 601 | 347.4 | −21.8 | (–, –) | 347.4 ± 0.1 | −22.5 ± 0.1 |
Notes. Columns (1)–(4) present the respective observer and its location in Carrington coordinates (with the first row providing the flare location). Column (5) lists the measured solar wind speed. Columns (6)–(7) and (9)–(10) provide the backmapped magnetic footpoints of the observer at the solar surface using the simple PFSS and the ADAPT-WSA models, respectively. Column (8) presents the magnetic field polarity observed (O) in situ and modeled (M) by ADAPT-WSA and PFSS.
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