Open Access

Table 1

Datasets used in this study.

Spacecraft Temporal coverage [yr] Radial coverage [au] Data source
PSP(a) 2018 – 2021(b) 0.08(b) −0.94 CDAWeb (PSP_COHOIHR_MERGED_MAG_PLASMA)
Helios 1 1974 – 1981 0.31 −0.98 CDAWeb (HELIOSI_COHOIHR_MERGED_MAG_PLASMA)
Helios 2 1976 – 1980 0.29 −0.98 CDAWeb (HELIOS2_COHOIHR_MERGED_MAG_PLASMA)
Mariner 2 1962 0.81 −1.00 OMNIWeb Plus
Mariner 10 1973 – 1974 0.46 −0.99 OMNIWeb Plus
Ulysses 1990 – 2009 1.02 −5.41 CDAWeb (UY_COHOIHR_MERGED_MAG_PLASMA)
Cassini 1997 – 2017 0.67 −10.07 CDAWeb (CASSINI_MAG_IMIN_MAGNETIC_FIELD)
Pioneer 10 1972 – 1995 0.99 −63.04 CDAWeb (PIONEERIS_COHOIHR_MERGED_MAG_PLASMA)
Pioneer 11 1973 – 1992 1.00 −36.26 CDAWeb (PIONEERII_COHOIHR_MERGED_MAG_PLASMA)
New Horizons (a) 2006 – 2020(b) 11.27 −46.43(b) CDAWeb (NEW_HORIZONS_SWAP_VALIDSUM)
Voyager 1(a) 1977 – 2006(c) 1.01 −100(c) CDAWeb (VOYAGERI_COHOIHR_MERGED_MAG_PLASMA)
Voyager 2(a) 1977 – 2012(c) 1.00 −100(c) CDAWeb (VOYAGER2_COHOIHR_MERGED_MAG_PLASMA)

Notes. (a)Ongoing mission. (b)Limit of publicly available data at time of access. (c)Artificial limit on radial coverage imposed for this study.

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