Solar flare particle environment on 4-9 November 1997
The large solar event on 4-9 November 1997 was observed by the
spacecraft in seven proton integral flux channels ranging from >1
MeV to >100 MeV. In the following, the measured proton spectra
are given both as plots and as tables in two-day periods (4-5, 6-7
and 8-9 November). The tabulated data starts at 00.00 for each of
the three sets, is given in 5 minute intervals, and contain the
|Column 1:||>1 MeV proton flux (1/cm2/s/sr)|
|Column 2:||>5 MeV proton flux (1/cm2/s/sr)|
|Column 3:||>10 MeV proton flux (1/cm2/s/sr)|
|Column 4:||>30 MeV proton flux (1/cm2/s/sr)|
|Column 5:||>50 MeV proton flux (1/cm2/s/sr)|
|Column 6:||>60 MeV proton flux (1/cm2/s/sr)|
|Column 7:||>100 MeV proton flux (1/cm2/s/sr)|
The plots contain also >2 MeV electron data, but these are partly
missing on 6 November, presumably due to pile-up in the detector
caused by the high fluxes.
We have additionally translated these integral fluxes into differential
proton fluxes as a function of time. A JPEG movie (~4 MB, ActiveMovie
2.0) of this data has been constructed by
Evans (ESTEC), and can be downloaded here.
Note the two separate surges on November 4 and 6, and especially
on November 6 the onset of, first ~100 MeV protons, and afterwards,
lower-energy ~10 MeV protons.
For more data, please access the
The high-energy particle emission from this solar event was also
detected by several neutron monitors. Preliminary data from Moscow,
Tixie Bay, and Apatity stations have been provided to us by the
IZMIRAN Cosmic Ray
Department in Moscow, and are shown in the TEC-EES Solar
Energetic Proton Events WWW page.
For questions, comments, and further information, contact
Nieminen at ESA/ESTEC.