Table 1

Table of selected proton catalogs used to compile the generalized proton event list used in this study (pfu − proton flux unit).

Catalog name Satellite/Instrument Energy coverage Yearly coverage Median peak proton intensity
SEPEM GOES 7.23–10.45 MeV 1997–2013 15.5 (cm2 sr s MeV)−1; Crosby et al. (2015)
GOES-NOAA GOES >10 MeV 1996–2016 64 pfu
GOES-SSE GOES >10 MeV 1996–2013 47.5 pfu
Dierckxsens et al. (2015)
GOES-SEP GOES >10 MeV 1996–2013 24.2 pfu
Papaioannou et al. (2016)
IMP-8 IMP-8; SOHO >25 MeV 1997–2006 0.008 (cm2 sr s MeV)−1
Cane et al. (2010)
Wind/EPACT Wind/EPACT 19–28 MeV 1996–2016 0.0361 (cm2 sr s MeV)−1; Miteva et al. (2017b)
SEPServer SOHO/ERNE 55–80 MeV 1996–2015 0.005 (cm2 sr s MeV)−1; Vainio et al. (2013)

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