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Multi-Source Spectral Plots (MSSP-1) of energetic particle H and He fluxes

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Check leftmost check boxes for inclusion in spectra plot, or click Data source for flux-vs-time plot/list

Data source, Plot/List Resolution Species Time span Energy range
Mev/n
   ACE EPAM, FunTech.     1day    He 1997-08-30 - 2015-05-30     0.4-3.9
   ACE SIS, Caltech     1hr    He 1997-08-29 - 2024-09-29     3.4-41.2
   ACE ULEIS, Caltech     1hr H, He 1998-02-19 - 2024-09-29     0.06-8.7
   ACE SEPICA, Caltech     1hr H, He 1997-10-07 - 2005-02-05     0.40-6.0
   GOES8,11 NOAA     1hr H, He 1995-01-01- 2010-12-31     0.6-500.
   GOES13,14 NOAA     1hr H, He 2010-05-01- 2020-03-03     0.7-500.
   Helios1 E6, U.Kiel     ~1hr H, He 1974-12-11 - 1983-12-31     4.0-51.0
   Helios1 E7, GSFC    30min. H, He 1974-12-16 - 1982-12-31     3.4-206.5
   Helios2 E6, U.Kiel     ~1hr H, He 1976-01-16 - 1980-03-08     4.0-51.0
   Helios2 E7, GSFC    30min. H, He 1976-01-19 - 1979-12-23     3.4-204.5
   IMP8 CRNC, U.Chi/UNH     1hr H,He 1973-10-30 - 2001-10-26     10.9-95.0
   IMP8 GME, GSFC     30-min H,He 1973-10-30 - 2001-10-26     0.9-237.0
    NEW HORIZONS, new V3, PEPSSI     1hr H,He 2015-01-16 - 2016-10-29     0.002 - 0.37
   Pioneer10, CRT, GSFC     6hr H,He 1972-03-06 - 1994-12-31     3.4-413.0
   Pioneer11, CRT, GSFC     6hr H,He 1973-04-06 - 1994-12-31     3.4-413.0
    PSP, ISOIS-EPIHI_L2-HET, A     1hr H,He 2018-10-02 - 2024-06-16     6.7 - 107.
    PSP, ISOIS-EPIHI_L2-HET, B     1hr H,He 2018-10-02 - 2024-06-16     6.7 - 107.
    PSP, ISOIS-EPIHI_L2-LET1, A     1hr H,He 2018-10-02 - 2024-06-16     0.6 - 53.
    PSP, ISOIS-EPIHI_L2-LET1, B     1hr H,He 2018-10-02 - 2024-06-16     0.6 - 53.
    PSP, ISOIS-EPIHI_L2-LET2, C     1hr H,He 2018-10-02 - 2024-06-16     0.6 - 45.
   SOHO, ERNE_l2     1hr H,He 1996-05-07 - 2024-11-07     1.3-130.0
   SOHO, EPHIN_l3     1hr H,He 1995-12-08 - 2024-11-09     4.3-53.0
   STEREO-A IMPACT/HET     1hr H 2006-12-01 - 2024-11-20     13.6-100.
   STEREO-A IMPACT/LET     1hr H,He 2007-03-29 - 2024-09-30     1.8-15.0
   STEREO-A SIT (Caltech)     1hr H,He 2007-01-01 - 2024-09-11     0.3-3.62
   STEREO-A SIT (Berkley)     1hr H,He 2007-03-15 - 2024-07-31     0.3-10.24
   STEREO-A IMPACT/SEPT     1hr H(Ions) 2006-11-14 - 2024-05-31     0.0-6.5
   STEREO-B IMPACT/HET     1hr H 2006-12-01 - 2014-09-27     13.6-100.
   STEREO-B IMPACT/LET     1hr H,He 2007-03-29 - 2014-09-27     1.8-15.0
   STEREO-B SIT (Caltech)     1hr H,He 2007-01-27 - 2014-09-27     0.1-10.2
   STEREO-B SIT (Berkley)     1hr H,He 2007-03-15 - 2014-09-27     0.3-10.24
   STEREO-B IMPACT/SEPT     1hr H(Ions) 2006-11-14 - 2014-09-27     0.0-6.5
   Ulysses COSPIN, LET&HET     1day H,He 1990-10-23 - 2009-06-30     2.0-95.0
   Ulysses HISCALE, FunTech.     1day    He 1990-11-14 - 2009-06-09      0.3-3.9
   Voyager1 CRS, CIT/GSFC     6hr H,He 1977-09-08 - 2022-03-31     1.9-480.5
   Voyager1 LECP_H, APL     1hr H 1977-09-12 - 2023-09-06     0.5-31.0
   Voyager1 LECP_Ion, APL     1hr H(Ion) 1977-09-12 - 2023-09-06     0.04-4.0
   Voyager1 LECP_Ion_BG, APL     1-day H(Ion_BG) 2002-01-01 - 2012-08-25     0.04-4.0
   Voyager2 CRS, CIT/GSFC     6hr H,He 1977-08-25 - 2022-03-31     1.8-457.4
   Voyager2 LECP_H, APL     1hr H 1977-09-12 - 2023-08-30     0.5-30.0
   Voyager2 LECP_Ion, APL     1hr H(Ion) 1977-09-12 - 2023-08-30     0.028-3.5
   Voyager2 LECP_Ion_BG, APL     1-day H(Ion_BG) 2004-01-01 2018-10-31     0.028-3.5
   Wind EPACT, GSFC     1hr    He 1994-11-03 - 2024-06-30     2.0-7.4
   Wind EPACT/APE-B, GSFC     1hr    H 1994-11-03 - 2024-06-30     18.9-21.9
   Wind EPACT/STEP     1hr    He 1995-01-01 - 2021-12-12     0.04-2.5
----------------Fluxes with very low energy ------------------
  ACE SWICS (prelim.)     1hr H, He 1998-01-28 - 2011-12-31(H,He)
2012-01-01 - 2016-12-31(H)
    1.5e-04 - 8.7e-02
----------------Fluxes with very high energy ------------------
  ISS AMS2     27-day H, He 2011-05-20- 2017-04-13      4.0e+02 - 6.0e+04

*Species:         Protons (H)     Alpha particles (He)       For higher Z go HERE

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Listing of Solar Proton Events Affecting the Earth Environment
This interface was built for the Virtual Energetic Particle Observatory
If you have any questions/comments about this service contact: Dr. Natalia Papitashvili, SPDF, Code 672, NASA/Goddard Space Flight Center, Greenbelt, MD 20771

NASA Official: Robert Candey (Robert.M.Candey@nasa.gov), Head of the Space Physics Data Facility