Pitch-angle resolved electron flux measurements in the Earth's radiation belt

These data are electron flux measurements in the Earth's radiation belt obtained with the MagEIS instrument on the NASA Van Allen Probe B satellite. They are an extension of a previously published data set (https://doi.org/10.5068/D1RQ2W). In the original dataset, the fluxes were averaged between 80 and 100 degrees local pitch angle (i.e., equatorial pitch angles between ~70 and 110 degrees) and used to study electron decay time scales or "lifetimes" (see https://doi.org/10.1029/2019GL086053 and https://doi.org/10.1029/2019GL086056). In this new data set, the data are obtained and processed in the same way, but here multiple equatorial pitch angle bins are provided. The contents of the data files are described in greater detail in a "readme" file.

Methods
These data are daily (UTC) flux averages. The L parameter is McIlwain L and was obtained from the Olson-Pfitzer quiet 1977 magenetic field model. The data are provided in L bins of 0.1L width from L = 1.0 to 7.6 and in equatorial pitch angle bins from 0 to 180 degrees with 12 degree bin width.

Three flux variables are provided:

FEDU: Uncorrected differential electron flux (cm2 s sr keV)^-1

FEDU_CORR: Background corrected (standard algorithm) differential electron flux (cm2 s sr keV)^-1

FEDU_CORR_ALT: Background corrected (alternative algorithm)  differential electron flux (cm2 s sr keV)^-1.

All flux arrays are 4D and have dimensions ~ [ntime x nenergy x nL x nalpha].