2.7.1 https://spdx.org/licenses/ SPDX CC0-1.0 https://spdx.org/licenses/CC0-1.0.html Creative Commons Zero v1.0 Universal CC0 1.0 Universal is the Creative Commons license applicable to all publicly available SPASE metadata descriptions spase://NASA/NumericalData/MAVEN/SWIA/Level2/EnergySpectra/Survey/PT4S NASA NumericalData MAVEN SWIA Calibrated Onboard Survey Spectra Data Collection MVN_SWI_L2_ONBOARDSVYSPEC https://doi.org/10.17189/1414248 2025-12-04T13:29:54Z 2024-02-26T00:00:00 Draft metadata created by LFB (ADAPT code), final editing by AK 2025-09-30T14:25:20Z Updated PublishedBy name to match ROR Registry. Added ResourceType and NamingAuthority. Changed http to https in top-level schemaLocation attribute. Fixed version number separator in top-level schemaLocation attribute. Matched version number in schemaLocation attribute to updated value in Version tag. ZCB 2025-12-04T13:29:54Z Added MetadataRightsList and RightsList(s). Updated to 2.7.1. ZCB SWIA onboard spectra files with time-ordered angle-averaged ion energy spectra in units of differential energy flux, as computed onboard from Coarse ion distributions, as well as a header with ancillary information needed to interpret the spectra. Description of the SWIA instrument can be found on the SWIA home page https://lasp.colorado.edu/maven/science/instrument-package/swia/ and in the SWIA instrument publication https://doi.org/10.1007/s11214-013-0029-z. Please acknowledge the Principal Investigator J.S. Halekas for use of these data. Halekas, J. S. 2023-01-01T00:00:00 Planetary Data System; Space Physics Data Facility spase://SMWG/Person/Jasper.S.Halekas InstrumentLead spase://SMWG/Person/Lan.Jian MetadataContact spase://SMWG/Person/Andriy.Koval MetadataContact MAVEN Data Archive at PDS PPI Node https://pds-ppi.igpp.ucla.edu/search/?sc=MAVEN&facet=SPACECRAFT_NAME MAVEN home page at LASP https://lasp.colorado.edu/maven/ MAVEN home page at NASA.gov https://science.nasa.gov/mission/maven/ spase://SMWG/Repository/PDS/PPI Online Open PDS PPI https://pds-ppi.igpp.ucla.edu/search/view/?f=yes&id=pds://PPI/maven.swia.calibrated/data/onboard_svy_spec Access to Data in CDF Format at the Planetary Data System, Planetary Plasma Interactions node CDF None Please acknowledge the Principal Investigator D. Larson spase://SMWG/Repository/NASA/GSFC/SPDF Online Open https://spdx.org/licenses/ SPDX CC0-1.0 https://spdx.org/licenses/CC0-1.0.html Creative Commons Zero v1.0 Universal CC0 1.0 Universal is the Creative Commons license applicable to all publicly available NASA Heliophysics data products FTPS from SPDF (not with most browsers) ftps://spdf.gsfc.nasa.gov/pub/data/maven/swia/l2/onboardsvyspec/ Access to Data in CDF Format via ftps from SPDF HTTPS from SPDF https://spdf.gsfc.nasa.gov/pub/data/maven/swia/l2/onboardsvyspec/ Access to Data in CDF Format via https from SPDF CDAWeb https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?dataset=MVN_SWI_L2_ONBOARDSVYSPEC&index=sp_phys MVN_SWI_L2_ONBOARDSVYSPEC Access to ASCII, CDF, and Plots via NASA/GSFC CDAWeb CDF None Please acknowledge the Principal Investigator J.S. Halekas. Please acknowledge the Data Providers and CDAWeb when using these data. spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWeb Online Open https://spdx.org/licenses/ SPDX CC0-1.0 https://spdx.org/licenses/CC0-1.0.html Creative Commons Zero v1.0 Universal CC0 1.0 Universal is the Creative Commons license applicable to all publicly available NASA Heliophysics data products CDAWeb HAPI Server https://cdaweb.gsfc.nasa.gov/hapi MVN_SWI_L2_ONBOARDSVYSPEC Web Service to this product using the HAPI interface CSV Please acknowledge the Principal Investigator J.S. Halekas. Please also acknowledge the Data Providers and CDAWeb when using these data. Calibrated spase://SMWG/Instrument/MAVEN/SWIA EnergeticParticles ThermalPlasma 2014-03-19T14:20:43 -P6M PT4S Mars Time, start of sample, in TT2000 time base epoch Time, start of sample, in TT2000 time base This Parameter exhibits an increasing Monotonic Progression ns 1.0e-9>s TimeSeries epoch I22 6.3650426674691e+13 6.3650513070271e+13 2013-11-17T23:59:59.999998080 2030-12-31T23:58:59.999998080 9999-12-31T23:59:59.999999999 Temporal Time, start of sample, in raw mission elapsed time Time series defined by using: epoch time_met Time, start of sample, in raw mission elapsed time This Parameter exhibits an increasing Monotonic Progression PT4S s TimeSeries Time (MET) F25.6 5.36501e+08 5.36587e+08 4.38005e+08 9.78264e+08 -1.0e+31 Temporal Time, start of sample, in Unix time Time series defined by using: epoch time_unix Time, start of sample, in Unix time This Parameter exhibits an increasing Monotonic Progression PT4S s TimeSeries Time (UNIX) F25.6 1.48323e+09 1.48332e+09 1.38473e+09 1.92499e+09 -1.0e+31 Temporal Raw Instrument Counts (as spectrogram) Time series defined by using: epoch spectra_counts Raw Instrument Counts (as spectrogram) PT4S Spectrogram Raw Counts F18.7 0.0 100000.0 LogScale 48 Element 1 1 23244.8 Element 2 2 20114.5 Element 3 3 17405.7 Element 4 4 15061.7 Element 5 5 13033.4 Element 6 6 11278.2 Element 7 7 9759.41 Element 8 8 8445.14 Element 9 9 7307.85 Element 10 10 6323.72 Element 11 11 5472.12 Element 12 12 4735.21 Element 13 13 4097.53 Element 14 14 3545.72 Element 15 15 3068.23 Element 16 16 2655.04 Element 17 17 2297.49 Element 18 18 1988.09 Element 19 19 1720.36 Element 20 20 1488.69 Element 21 21 1288.21 Element 22 22 1114.73 Element 23 23 964.611 Element 24 24 834.709 Element 25 25 722.301 Element 26 26 625.031 Element 27 27 540.859 Element 28 28 468.023 Element 29 29 404.996 Element 30 30 350.456 Element 31 31 303.261 Element 32 32 262.422 Element 33 33 227.082 Element 34 34 196.501 Element 35 35 170.039 Element 36 36 147.140 Element 37 37 127.325 Element 38 38 110.179 Element 39 39 95.3412 Element 40 40 82.5019 Element 41 41 71.3916 Element 42 42 61.7774 Element 43 43 53.4580 Element 44 44 46.2590 Element 45 45 40.0294 Element 46 46 34.6387 Element 47 47 29.9740 Element 48 48 25.9375 0.0 1.0e+10 -1.0e+31 Ion Array Counts Raw Instrument Counts (as time series). Time series defined by using: epoch spectra_counts_time Raw Instrument Counts (as time series). This parameter is virtual. It is calculated by calling the function ALTERNATE_VIEW with the following input parameters: spectra_counts. PT4S TimeSeries F18.7 0.0 100000.0 LinearScale 48 Cts at E0 1 23244.8 Cts at E1 2 20114.5 Cts at E2 3 17405.7 Cts at E3 4 15061.7 Cts at E4 5 13033.4 Cts at E5 6 11278.2 Cts at E6 7 9759.41 Cts at E7 8 8445.14 Cts at E8 9 7307.85 Cts at E9 10 6323.72 Cts at E10 11 5472.12 Cts at E11 12 4735.21 Cts at E12 13 4097.53 Cts at E13 14 3545.72 Cts at E14 15 3068.23 Cts at E15 16 2655.04 Cts at E16 17 2297.49 Cts at E17 18 1988.09 Cts at E18 19 1720.36 Cts at E19 20 1488.69 Cts at E20 21 1288.21 Cts at E21 22 1114.73 Cts at E22 23 964.611 Cts at E23 24 834.709 Cts at E24 25 722.301 Cts at E25 26 625.031 Cts at E26 27 540.859 Cts at E27 28 468.023 Cts at E28 29 404.996 Cts at E29 30 350.456 Cts at E30 31 303.261 Cts at E31 32 262.422 Cts at E32 33 227.082 Cts at E33 34 196.501 Cts at E34 35 170.039 Cts at E35 36 147.140 Cts at E36 37 127.325 Cts at E37 38 110.179 Cts at E38 39 95.3412 Cts at E39 40 82.5019 Cts at E40 41 71.3916 Cts at E41 42 61.7774 Cts at E42 43 53.4580 Cts at E43 44 46.2590 Cts at E44 45 40.0294 Cts at E45 46 34.6387 Cts at E46 47 29.9740 Cts at E47 48 25.9375 0.0 1.0e+10 -1.0e+31 Ion Array Counts Calibrated differential energy flux (as spectrogram) Time series defined by using: epoch spectra_diff_en_fluxes Calibrated differential energy flux (as spectrogram) PT4S eV/[eV cm^2 sr s] 1.0e4>J/(m^2 s sr J) Spectrogram Differential Energy Flux F18.7 0.0 1.0e+11 LogScale 48 Element 1 1 23244.8 Element 2 2 20114.5 Element 3 3 17405.7 Element 4 4 15061.7 Element 5 5 13033.4 Element 6 6 11278.2 Element 7 7 9759.41 Element 8 8 8445.14 Element 9 9 7307.85 Element 10 10 6323.72 Element 11 11 5472.12 Element 12 12 4735.21 Element 13 13 4097.53 Element 14 14 3545.72 Element 15 15 3068.23 Element 16 16 2655.04 Element 17 17 2297.49 Element 18 18 1988.09 Element 19 19 1720.36 Element 20 20 1488.69 Element 21 21 1288.21 Element 22 22 1114.73 Element 23 23 964.611 Element 24 24 834.709 Element 25 25 722.301 Element 26 26 625.031 Element 27 27 540.859 Element 28 28 468.023 Element 29 29 404.996 Element 30 30 350.456 Element 31 31 303.261 Element 32 32 262.422 Element 33 33 227.082 Element 34 34 196.501 Element 35 35 170.039 Element 36 36 147.140 Element 37 37 127.325 Element 38 38 110.179 Element 39 39 95.3412 Element 40 40 82.5019 Element 41 41 71.3916 Element 42 42 61.7774 Element 43 43 53.4580 Element 44 44 46.2590 Element 45 45 40.0294 Element 46 46 34.6387 Element 47 47 29.9740 Element 48 48 25.9375 0.0 1.0e+14 -1.0e+31 Ion Array Differential EnergyFlux Calibrated differential energy flux (as overlaid time series) Time series defined by using: epoch spectra_diff_en_fluxes_stack Calibrated differential energy flux (as overlaid time series) This parameter is virtual. It is calculated by calling the function ALTERNATE_VIEW with the following input parameters: spectra_diff_en_fluxes. PT4S eV/[eV cm^2 sr s] 1.0e4>J/(m^2 s sr J) Differential Energy Flux E15.7 0.0 1.0e+11 LogScale 48 Element 1 1 23244.8 Element 2 2 20114.5 Element 3 3 17405.7 Element 4 4 15061.7 Element 5 5 13033.4 Element 6 6 11278.2 Element 7 7 9759.41 Element 8 8 8445.14 Element 9 9 7307.85 Element 10 10 6323.72 Element 11 11 5472.12 Element 12 12 4735.21 Element 13 13 4097.53 Element 14 14 3545.72 Element 15 15 3068.23 Element 16 16 2655.04 Element 17 17 2297.49 Element 18 18 1988.09 Element 19 19 1720.36 Element 20 20 1488.69 Element 21 21 1288.21 Element 22 22 1114.73 Element 23 23 964.611 Element 24 24 834.709 Element 25 25 722.301 Element 26 26 625.031 Element 27 27 540.859 Element 28 28 468.023 Element 29 29 404.996 Element 30 30 350.456 Element 31 31 303.261 Element 32 32 262.422 Element 33 33 227.082 Element 34 34 196.501 Element 35 35 170.039 Element 36 36 147.140 Element 37 37 127.325 Element 38 38 110.179 Element 39 39 95.3412 Element 40 40 82.5019 Element 41 41 71.3916 Element 42 42 61.7774 Element 43 43 53.4580 Element 44 44 46.2590 Element 45 45 40.0294 Element 46 46 34.6387 Element 47 47 29.9740 Element 48 48 25.9375 0.0 1.0e+14 -1.0e+31 Ion Array Differential EnergyFlux Attenuator state Time series defined by using: epoch atten_state Attenuator state, 1 = open, 2 = closed, 3 = cover closed PT4S TimeSeries Attenuator State I7 1 3 1 3 255 InstrumentMode Number of Accumulations Summed Time series defined by using: epoch num_accum Number of Accumulations Summed PT4S TimeSeries Accumulations I7 0 512 0 512 -32768 InstrumentMode Decommutation Flag Time series defined by using: epoch decom_flag Decommutation Flag: 0 = uncertain mode/attenuator flags, 1 = known mode/attenuator flags PT4S TimeSeries Decommutation Flag F15.7 0.0 1.0 0.0 1.0 -1.0e+31 InstrumentMode Full Analyzer Geometric Factor geom_factor Full Analyzer Geometric Factor cm^2 sr eV/eV 1.0e-4>m^2 sr J/J TimeSeries geom_factor F15.7 0.0 0.01 0.0 1.0 -1.0e+31 Ion GeometricFactor Spectra DeltaE/E de_over_e_spectra Spectra DeltaE/E eV/eV 1.0>J/J TimeSeries de_over_e_spectra F15.7 0.0 0.2 0.0 1.0 -1.0e+31 InstrumentMode Spectra Integration Time accum_time_spectra Spectra Integration Time s TimeSeries accum_time_spectra F15.7 0.0 2.0 0.0 4.0 -1.0e+31 Temporal Spectra Energy Table energy_spectra Spectra Energy Table eV 1.602176565e-19>J TimeSeries Energy F15.7 0.0 30000.0 48 0.0 50000.0 -1.0e+31 Ion Array Energy Number of Spectra in File num_spec Number of Spectra in File TimeSeries num_spec I7 0 21600 0 21600 -32768 Other