Heliospheric Weather Expert Service Centre - Statistical Products

Solar Energetic Particles (recent)

This section provides information on the solar energetic particle environment over the last 27, 120 or 240 days (currently data are only available from end-October 2022). This is represented by the flux of 10 MeV and above proton particles measured at geostationary altitudes by the GOES spacecraft (>50MeV and >100MeV can also additionally be selected from the options for reference). The amount of time spent above one of five activity threshold limits will be calculated. Horizontal red lines are shown on the plot indicating the time intervals listed at the bottom of the page that match the user criteria.

The analysis is based on the primary GOES data supplied via the SEP/E product.

The interval and threshold can be selected from the pull down menu. The time interval display cannot be edited directly. The mouse can be used to zoom the time selection (the Y scale is fixed). Pressing submit will recalculate the display for the new interval.

This product only contains recent measurements. Please use the OMNI based product for historical data P > 10 MeV.

Select interval to process and flux limit to be applied
Processing for interval   
Show options

The following options allow some limited tailoring of the display elements.

Don't show the initial title
Don't show the time series plot
   Also show the integral flux for P > 50MeV
   Also show the integral flux for P > 100MeV
   Don't show intervals on the plot
   Show intervals outside rather than inside the range
   Invert the list of intervals
   Don't show the current Carrington phase
Don't show the stats table
Don't show the list of intervals
   Format list as linked VOTable
Show the onion skin plot
(Plot as a function of solar rotation with the line fading for older data)
Include a plot of Dst.
(Intervals with Dst < -50 nT are shown with a green line). NB: The plot is actually of SYM-H as the de facto high-resolution Dst.

You can also quickly jump to another parameter for the current time interval using the following links (other options are not retained):-







Print image
SWE Portal > H-ESC > HPARC > HPARC/ST > p > 10 MeV

This web page forms part of the European Space Agency's network of space weather services and service development activities, and is supported under ESA contract number 4000134036/21/D/MRP. For further product related information or enquiries contact the helpdesk. E-mail: helpdesk.swe@esa.int All publications and presentations using data obtained from this site should acknowledge RAL Space and The ESA Space Safety Programme. For further information about space weather in the ESA Space Safety Programme see: https://www.esa.int/spaceweather Access the ESA SWE Portal here: https://swe.ssa.esa.int.