MMS Fly's Eye Energetic Particle Sensor

FEEPS quicklook plot in SPEDAS

SPEDAS provides command line and GUI access to the MMS FEEPS data.

For more information on the EPD-FEEPS instrument, please see the EPD Data Products Guide:

https://lasp.colorado.edu/mms/sdc/public/datasets/epd/ (EPD Data Products Guide 13Apr16 v4)

FEEPS Data

For more complete examples, see the FEEPS crib sheets located in the /projects/mms/examples/ folder.

Examples

Electron Data

To load and plot the MMS1 FEEPS electron data on March 7, 2016: <syntaxhighlight lang="idl"> MMS> mms_load_feeps, datatype='electron', trange=['2016-02-15', '2016-02-16'], probe=1, data_rate='srvy'

MMS> tplot, 'mms1_epd_feeps_srvy_l2_electron_intensity_omni_spin' </syntaxhighlight>

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  MMS1 FEEPS electron omni spin data on February 15, 2016

Ion Data

To load and plot the MMS1 FEEPS electron data on March 7, 2016: <syntaxhighlight lang="idl"> MMS> mms_load_feeps, datatype='ion', trange=['2016-02-15', '2016-02-16'], probe=1, data_rate='srvy'

MMS> tplot, 'mms1_epd_feeps_srvy_l2_ion_intensity_omni_spin' </syntaxhighlight>

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  MMS1 FEEPS ion omni spin data on February 15, 2016

Quicklook Plots

To create FEEPS quicklook plots, see the crib sheet: mms_load_feeps_crib_qlplots.pro

<syntaxhighlight lang="idl"> MMS> .run mms_load_feeps_crib_qlplots </syntaxhighlight>

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  MMS1 FEEPS Quick Look data from February 15, 2016

FEEPS Sector Spectrograms

Examples

Sector-Time Spectrograms, No Sun Contamination Removed

To create sector spectrograms of FEEPS data on January 20, 2016: <syntaxhighlight lang="idl"> MMS> mms_load_feeps, trange=['2016-01-20/19:50', '2016-01-20/19:55'], probe=1, data_rate='brst', level='l2', /time_clip

MMS> mms_feeps_sector_spec, probe=1, data_rate='brst'

MMS> tplot, ['mms1_epd_feeps_brst_l2_electron_bottom_count_rate_sensorid_3_sectspec', 'mms1_epd_feeps_brst_l2_electron_bottom_count_rate_sensorid_4_sectspec', 'mms1_epd_feeps_brst_l2_electron_bottom_count_rate_sensorid_5_sectspec', 'mms1_epd_feeps_brst_l2_electron_bottom_count_rate_sensorid_10_sectspec', 'mms1_epd_feeps_brst_l2_electron_bottom_count_rate_sensorid_11_sectspec'] </syntaxhighlight>

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  MMS1 FEEPS Sector-Time Spectrogram on January 20, 2016

Sector-Time Spectrograms, With Sun Contamination removed

To create sector spectrograms of FEEPS data on January 20, 2016: <syntaxhighlight lang="idl"> MMS> mms_load_feeps, trange=['2016-01-20/19:50', '2016-01-20/19:55'], probe=1, data_rate='brst', level='l2', /time_clip

MMS> mms_feeps_sector_spec, probe=1, data_rate='brst', /remove_sun

MMS> tplot, ['mms1_epd_feeps_brst_l2_electron_bottom_count_rate_sensorid_3_sectspec_sun_removed', 'mms1_epd_feeps_brst_l2_electron_bottom_count_rate_sensorid_4_sectspec_sun_removed', 'mms1_epd_feeps_brst_l2_electron_bottom_count_rate_sensorid_5_sectspec_sun_removed', 'mms1_epd_feeps_brst_l2_electron_bottom_count_rate_sensorid_10_sectspec_sun_removed', 'mms1_epd_feeps_brst_l2_electron_bottom_count_rate_sensorid_11_sectspec_sun_removed'] </syntaxhighlight>

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  MMS1 FEEPS Sector-Time Spectrogram With Sun Contamination Removed