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Time History of Events and Macroscale Interactions during Substorms (THEMIS)

The routines in this module can be used to load data from the THEMIS mission.

Instruments

  • Fluxgate magnetometer (FGM)
  • Search-coil magnetometer (SCM)
  • Electric Field Instrument (EFI)
  • Electrostatic Analyzer (ESA)
  • Solid State Telescope (SST)

Examples

Get started by importing pyspedas and tplot; these are required to load and plot the data:

import pyspedas
from pytplot import tplot

Fluxgate magnetometer (FGM)

fgm_vars = pyspedas.themis.fgm(probe='d', trange=['2013-11-5', '2013-11-6'])

tplot(['thd_fgs_btotal', 'thd_fgs_gse'])

Search-coil magnetometer (SCM)

scm_vars = pyspedas.themis.scm(probe='d', trange=['2013-11-5', '2013-11-6'])

tplot(['thd_scf_btotal', 'thd_scf_gse'])

Electric Field Instrument (EFI)

efi_vars = pyspedas.themis.efi(probe='d', trange=['2013-11-5', '2013-11-6'])

tplot('thd_efs_dot0_gse')

Electrostatic Analyzer (ESA)

esa_vars = pyspedas.themis.esa(probe='d', trange=['2013-11-5', '2013-11-6'])

tplot(['thd_peif_density', 'thd_peif_vthermal'])

Solid State Telescope (SST)

sst_vars = pyspedas.themis.sst(probe='d', trange=['2013-11-5', '2013-11-6'])

tplot('thd_psif_density')

Moments data

mom_vars = pyspedas.themis.mom(probe='d', trange=['2013-11-5', '2013-11-6'])

tplot(['thd_peim_velocity_gsm', 'thd_peim_density'])

Ground computed moments data

gmom_vars = pyspedas.themis.gmom(probe='d', trange=['2013-11-5', '2013-11-6'])

tplot(['thd_ptiff_velocity_gse', 'thd_pteff_density', 'thd_pteff_avgtemp'])

State data

state_vars = pyspedas.themis.state(probe='d', trange=['2013-11-5', '2013-11-6'])

tplot(['thd_pos', 'thd_vel'])

Ground magnetometer data

gmag_vars = pyspedas.themis.gmag(sites='ccnv', trange=['2013-11-5', '2013-11-6'])

tplot('thg_mag_ccnv')