pyrfu.mms.remove_imoms_background module

pyrfu.mms.remove_imoms_background.remove_imoms_background(n_i, v_gse_i, p_gse_i, n_bg_i, p_bg_i)

Remove the mode background population due to penetrating radiation from the the moments (density n_i, bulk velocity v_gse_i and pressure tensor p_gse_i) of the ion velocity distribution function using the method from [1].

Parameters:

• n_i (xarray.DataArray) – Time series of the ion density.

• v_gse_i (xarray.DataArray) – Time series of the ion bulk velocity.

• p_gse_i (xarray.DataArray) – Time series of the ion pressure tensor.

• n_bg_i (xarray.DataArray) – Time series of the background ion number density.

• p_bg_i (xarray.DataArray) – Time series of the background ion pressure scalar.

Returns:

• n_i_new (xarray.DataArray) – Time series of the corrected ion number density.

• v_gse_i_new (xarray.DataArray) – Time series of the corrected ion bulk velocity.

• p_gse_i (xarray.DataArray) – Time series of the corrected ion pressure tensor.

References

[1]

Gershman, D. J., Dorelli, J. C., Avanov,L. A., Gliese, U., Barrie, A., Schiff, C.,et al. (2019). Systematic uncertainties in plasma parameters reported by the fast plasma investigation on NASA’s magnetospheric multiscale mission. Journal of Geophysical Research: Space Physics, 124, https://doi.org/10.1029/2019JA026980