{ "Spase": { "xmlns": "http://www.spase-group.org/data/schema", "xmlns:xsi": "http://www.w3.org/2001/XMLSchema-instance", "xsi:schemaLocation": "http://www.spase-group.org/data/schema https://www.spase-group.org/data/schema/spase-2_3_2.xsd", "Version": "2.3.2", "NumericalData": { "ResourceID": "spase://NASA/NumericalData/THEMIS/A/SCM/PT0.125S", "ResourceHeader": { "ResourceName": "THEMIS-A: Search Coil Magnetometer 1/8s, 1/128s and 1/8192s Data", "ReleaseDate": "2021-04-27T15:38:11Z", "Description": "THEMIS-A: Search Coil Magnetometer (SCM) magnetic field measurements. Includes FAST SURVEY, PARTICLE BURST and WAVE BURST data. FAST SURVEY (SCF): 1/8 second time resolution. PARTICLE BURST (SCP): 1/128 second time resolution; only short bursts of data. WAVE BURST (SCW): 1/8192 second time resolution; only short bursts of data. Sensor and electronics design provided by LPP, Roux and Le Contel.\n\nSCM Telemetry Modes (Only first 3 apply to level 2 SCM products):\n\n+-------------------------------------------------------------------------------------------------------------------------+\n| Fast Survey (scf) | Waveform data for the 3 SCM components; sampling rate between 2 and 256 S/s, nominal value is 8. |\n| Particle Burst (scp) | Waveform data nominally at 128 S/s. |\n| Wave Burst (scw) | Waveform data nominally at 8192 S/s. |\n| Filter Bank (fbk)^ | Mean signal value over 6 frequency bands (4-2 kHz, 1-0.5 kHz, 256-128 Hz, 64-32 Hz, 16-8 Hz. | \n| Particle Burst Spectra (ffp)^^ | Compressed FFT spectra in 16, 32, or 64 frequency bins; sampling between 1/4 to 8 S/s. |\n| Wave Burst Spectra (ffw)^^ | Compressed FFT spectra in 16, 32, or 64 frequency bins; sampling between 1/4 to 8 S/s. |\n+-------------------------------------------------------------------------------------------------------------------------+\n\n* ^Only two available inputs between all 3 SCM and 12 EFI data signals.\n* ^^Only four available inputs between 3 SCM and 16 other data signals.", "Acknowledgement": "NASA Contract NAS5-02099, V. Angelopoulos for use of data from the THEMIS Mission; also A. Roux and CETP for their work on the SCM.", "Contact": [ { "PersonID": "spase://SMWG/Person/Vassilis.Angelopoulos", "Role": "PrincipalInvestigator" }, { "PersonID": "spase://SMWG/Person/Alain.Roux", "Role": "PrincipalInvestigator" } ], "InformationURL": [ { "Name": "THEMIS Home Page", "URL": "http://themis.ssl.berkeley.edu/index.shtml", "Description": "The THEMIS project home page." }, { "Name": "THEMIS Data Policy and Credits", "URL": "http://themis.ssl.berkeley.edu/roadrules.shtml", "Description": "Details on THEMIS data policy and giving proper credits in publications." } ], "PriorID": [ "spase://VMO/NumericalData/THEMIS/A/SCM/PT0.125S", "spase://VSPO/NumericalData/THEMIS/A/SCM/PT0.125S" ] }, "AccessInformation": [ { "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWeb", "Availability": "Online", "AccessRights": "Open", "AccessURL": [ { "Name": "FTPS from SPDF (not with most browsers)", "URL": "ftps://spdf.gsfc.nasa.gov/pub/data/themis/tha/l2/scm/", "Description": "NASA/GSFC CDAWeb ftp access to the data." }, { "Name": "HTTPS from SPDF", "URL": "https://spdf.gsfc.nasa.gov/pub/data/themis/tha/l2/scm/", "Description": "In CDF via HTTP from SPDF" }, { "Name": "CDAWeb", "URL": "https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?dataset=THA_L2_SCM&index=sp_phys", "ProductKey": "THA_L2_SCM", "Description": "Access to ASCII, CDF, and plots via NASA/GSFC CDAWeb" } ], "Format": "CDF", "Encoding": "None" }, { "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF", "Availability": "Online", "AccessRights": "Open", "AccessURL": { "Name": "CDAWeb HAPI Server", "URL": "https://cdaweb.gsfc.nasa.gov/hapi", "Style": "HAPI", "ProductKey": [ "THA_L2_SCM@0", "THA_L2_SCM@1", "THA_L2_SCM@2" ], "Description": "Web Service to this product using the HAPI interface." }, "Format": "CSV" }, { "RepositoryID": "spase://SMWG/Repository/UCB/THEMIS", "Availability": "Online", "AccessRights": "Open", "AccessURL": { "Name": "THEMIS L2 SCM data at UC Berkeley", "URL": "http://themis.ssl.berkeley.edu/data/themis/tha/l2/scm/", "Description": "CDF data files for download, organized by date." }, "Format": "CDF", "Encoding": "None" } ], "ProcessingLevel": "Calibrated", "ProviderProcessingLevel": "Level 2", "ProviderVersion": "v1", "InstrumentID": "spase://SMWG/Instrument/THEMIS/A/SCM", "MeasurementType": "MagneticField", "TemporalDescription": { "TimeSpan": { "StartDate": "2007-02-24T00:00:00Z", "RelativeStopDate": "-P7D" }, "Cadence": "PT0.125S" }, "ObservedRegion": [ "Heliosphere.NearEarth", "Earth.Magnetosphere.Magnetotail", "Earth.Magnetosphere.Main", "Earth.Magnetosheath" ], "Caveats": "See THEMIS website for caveats", "Parameter": [ { "Name": "Fast-Survey Magnetic Field Magnitude", "ParameterKey": "tha_scf_btotal", "Description": "Total B-field magnitude from SCF data (fast-survey, 1/8 sec time resolution).", "Cadence": "PT0.125S", "Units": "nT", "UnitsConversion": "1e-9>T", "ValidMin": "0.0", "ValidMax": "25000.0", "FillValue": "NaN", "Field": { "Qualifier": [ "Total", "Magnitude" ], "FieldQuantity": "Magnetic" } }, { "Name": "Fast-Survey Magnetic Field Vector (GSE)", "ParameterKey": "tha_scf_gse", "Description": "B-Field vector from fast survey mode (1/8 sec time resolution) in GSE Coordinates.", "Cadence": "PT0.125S", "Units": "nT", "UnitsConversion": "1e-9>T", "CoordinateSystem": { "CoordinateRepresentation": "Cartesian", "CoordinateSystemName": "GSE" }, "Structure": { "Size": "3", "Element": [ { "Name": "Bx SCF-A", "Qualifier": "Component.I", "Index": "1", "ValidMin": "-25000.0", "ValidMax": "25000.0", "FillValue": "NaN" }, { "Name": "By SCF-A", "Qualifier": "Component.J", "Index": "2", "ValidMin": "-25000.0", "ValidMax": "25000.0", "FillValue": "NaN" }, { "Name": "Bz SCF-A", "Qualifier": "Component.K", "Index": "3", "ValidMin": "-25000.0", "ValidMax": "25000.0", "FillValue": "NaN" } ] }, "Field": { "Qualifier": "Vector", "FieldQuantity": "Magnetic" } }, { "Name": "Fast-Survey Magnetic Field Vector (GSM)", "ParameterKey": "tha_scf_gsm", "Description": "B-Field vector from fast survey mode (1/8 sec time resolution) in GSM Coordinates.", "Cadence": "PT0.125S", "Units": "nT", "UnitsConversion": "1e-9>T", "CoordinateSystem": { "CoordinateRepresentation": "Cartesian", "CoordinateSystemName": "GSM" }, "Structure": { "Size": "3", "Element": [ { "Name": "Bx SCF-A", "Qualifier": "Component.I", "Index": "1", "ValidMin": "-25000.0", "ValidMax": "25000.0", "FillValue": "NaN" }, { "Name": "By SCF-A", "Qualifier": "Component.J", "Index": "2", "ValidMin": "-25000.0", "ValidMax": "25000.0", "FillValue": "NaN" }, { "Name": "Bz SCF-A", "Qualifier": "Component.K", "Index": "3", "ValidMin": "-25000.0", "ValidMax": "25000.0", "FillValue": "NaN" } ] }, "Field": { "Qualifier": "Vector", "FieldQuantity": "Magnetic" } }, { "Name": "Fast-Survey Magnetic Field Vector (DSL)", "ParameterKey": "tha_scf_dsl", "Description": "B-Field vector from fast survey mode (1/8 sec time resolution) in DSL (despun spacecraft) coordinates.", "Cadence": "PT0.125S", "Units": "nT", "UnitsConversion": "1e-9>T", "CoordinateSystem": { "CoordinateRepresentation": "Cartesian", "CoordinateSystemName": "SR2" }, "Structure": { "Size": "3", "Element": [ { "Name": "Bx SCF-A", "Qualifier": "Component.I", "Index": "1", "ValidMin": "-25000.0", "ValidMax": "25000.0", "FillValue": "NaN" }, { "Name": "By SCF-A", "Qualifier": "Component.J", "Index": "2", "ValidMin": "-25000.0", "ValidMax": "25000.0", "FillValue": "NaN" }, { "Name": "Bz SCF-A", "Qualifier": "Component.K", "Index": "3", "ValidMin": "-25000.0", "ValidMax": "25000.0", "FillValue": "NaN" } ] }, "Field": { "Qualifier": "Vector", "FieldQuantity": "Magnetic" } }, { "Name": "Fast-Survey Time", "ParameterKey": "tha_scf_time", "Description": "Fast-survey mode data timestamp, UTC, in seconds since 01-Jan-1970 00:00:00.", "Caveats": "Not including leap seconds", "Cadence": "PT0.125S", "Units": "s", "ValidMin": "0.0", "ValidMax": "5.0E9", "FillValue": "NaN", "Support": { "SupportQuantity": 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"ValidMin": "-25000.0", "ValidMax": "25000.0", "FillValue": "NaN" }, { "Name": "Bz SCP-A", "Qualifier": "Component.K", "Index": "3", "ValidMin": "-25000.0", "ValidMax": "25000.0", "FillValue": "NaN" } ] }, "Field": { "Qualifier": "Vector", "FieldQuantity": "Magnetic" } }, { "Name": "Particle-Burst Magnetic Field Vector (GSM)", "ParameterKey": "tha_scp_gsm", "Description": "B-Field vector from particle burst mode (1/128 second time resolution) in GSM coordinates.", "Cadence": "PT0.0078125S", "Units": "nT", "UnitsConversion": "1e-9>T", "CoordinateSystem": { "CoordinateRepresentation": "Cartesian", "CoordinateSystemName": "GSM" }, "Structure": { "Size": "3", "Element": [ { "Name": "Bx SCP-A", "Qualifier": "Component.I", "Index": "1", "ValidMin": "-25000.0", "ValidMax": "25000.0", "FillValue": "NaN" }, { "Name": "By SCP-A", "Qualifier": "Component.J", "Index": "2", "ValidMin": "-25000.0", "ValidMax": "25000.0", "FillValue": "NaN" }, { "Name": "Bz SCP-A", "Qualifier": "Component.K", "Index": "3", "ValidMin": "-25000.0", "ValidMax": "25000.0", "FillValue": "NaN" } ] }, "Field": { "Qualifier": "Vector", "FieldQuantity": "Magnetic" } }, { "Name": "Particle-Burst Magnetic Field Vector (DSL)", "ParameterKey": "tha_scp_dsl", "Description": "B-Field vector from particle burst mode (1/128 second time resolution) in DSL (despun spacecraft) coordinates.", "Cadence": "PT0.0078125S", "Units": "nT", "UnitsConversion": "1e-9>T", "CoordinateSystem": { "CoordinateRepresentation": "Cartesian", "CoordinateSystemName": "SR2" }, "Structure": { "Size": "3", "Element": [ { "Name": "Bx SCP-A", "Qualifier": "Component.I", "Index": "1", "ValidMin": "-25000.0", "ValidMax": "25000.0", "FillValue": "NaN" }, { "Name": "By SCP-A", "Qualifier": "Component.J", "Index": "2", "ValidMin": "-25000.0", "ValidMax": "25000.0", "FillValue": "NaN" }, { "Name": "Bz SCP-A", "Qualifier": "Component.K", "Index": "3", "ValidMin": "-25000.0", "ValidMax": "25000.0", "FillValue": "NaN" } ] }, "Field": { "Qualifier": "Vector", "FieldQuantity": "Magnetic" } }, { "Name": "Particle-Burst Time", "ParameterKey": "tha_scp_time", "Description": "Particle Burst mode timestamp (1/128 second resolution), UTC, in seconds since 01-Jan-1970 00:00:00.", "Caveats": "Not including leap seconds", "Cadence": "PT0.0078125S", "Units": "s", "ValidMin": "0.0", "ValidMax": "5.0E9", "FillValue": "NaN", "Support": { "SupportQuantity": "Temporal" } }, { "Name": "Wave-Burst Magnetic field Magnitude", "ParameterKey": "tha_scw_btotal", "Description": "Total B-Field magnitude from SCW data(wave burst mode, 1/8192 second time resolution).", "Cadence": "PT0.0001220703125S", "Units": "nT", "UnitsConversion": "1e-9>T", "ValidMin": "0.0", "ValidMax": "25000.0", "FillValue": "NaN", "Field": { "Qualifier": [ "Total", "Magnitude" ], "FieldQuantity": "Magnetic" } }, { "Name": "Wave-Burst Magnetic Field Vector (GSE)", "ParameterKey": "tha_scw_gse", "Description": "B-Field vector from wave burst mode(1/8192 second time resolution) in GSE coordinates.", "Cadence": "PT0.0001220703125S", "Units": "nT", "UnitsConversion": "1e-9>T", "CoordinateSystem": { "CoordinateRepresentation": "Cartesian", "CoordinateSystemName": "GSE" }, "Structure": { "Size": "3", "Element": [ { "Name": "Bx SCW-A", "Qualifier": "Component.I", "Index": "1", "ValidMin": "-25000.0", "ValidMax": "25000.0", "FillValue": "NaN" }, { "Name": "By SCW-A", "Qualifier": "Component.J", "Index": "2", "ValidMin": "-25000.0", "ValidMax": "25000.0", "FillValue": "NaN" }, { "Name": "Bz SCW-A", "Qualifier": "Component.K", "Index": "3", "ValidMin": "-25000.0", "ValidMax": "25000.0", "FillValue": "NaN" } ] }, "Field": { "Qualifier": "Vector", "FieldQuantity": "Magnetic" } }, { "Name": "Wave-Burst Magnetic Field Vector (GSM)", "ParameterKey": "tha_scw_gsm", "Description": "B-Field vector from wave burst mode(1/8192 second time resolution) in GSM coordinates.", "Cadence": "PT0.0001220703125S", "Units": "nT", "UnitsConversion": "1e-9>T", "CoordinateSystem": { "CoordinateRepresentation": "Cartesian", "CoordinateSystemName": "GSM" }, "Structure": { "Size": "3", "Element": [ { "Name": "Bx SCW-A", "Qualifier": "Component.I", "Index": "1", "ValidMin": "-25000.0", "ValidMax": "25000.0", "FillValue": "NaN" }, { "Name": "By SCW-A", "Qualifier": "Component.J", "Index": "2", "ValidMin": "-25000.0", "ValidMax": "25000.0", "FillValue": "NaN" }, { "Name": "Bz SCW-A", "Qualifier": "Component.K", "Index": "3", "ValidMin": "-25000.0", "ValidMax": "25000.0", "FillValue": "NaN" } ] }, "Field": { "Qualifier": "Vector", "FieldQuantity": "Magnetic" } }, { "Name": "Wave-Burst Magnetic Field Vector (DSL)", "ParameterKey": "tha_scw_dsl", "Description": "B-Field vector from wave burst mode(1/8192 second time resolution) in DSL (despun spacecraft) coordinates.", "Cadence": "PT0.0001220703125S", "Units": "nT", "UnitsConversion": "1e-9>T", "CoordinateSystem": { "CoordinateRepresentation": "Cartesian", "CoordinateSystemName": "SR2" }, "Structure": { "Size": "3", "Element": [ { "Name": "Bx SCW-A", "Qualifier": "Component.I", "Index": "1", "ValidMin": "-25000.0", "ValidMax": "25000.0", "FillValue": "NaN" }, { "Name": "By SCW-A", "Qualifier": "Component.J", "Index": "2", "ValidMin": "-25000.0", "ValidMax": "25000.0", "FillValue": "NaN" }, { "Name": "Bz SCW-A", "Qualifier": "Component.K", "Index": "3", "ValidMin": "-25000.0", "ValidMax": "25000.0", "FillValue": "NaN" } ] }, "Field": { "Qualifier": "Vector", "FieldQuantity": "Magnetic" } }, { "Name": "Wave-Burst Time", "ParameterKey": "tha_scw_time", "Description": "Wave Burst mode timestamp (1/8192 second resolution), UTC, in seconds since 01-Jan-1970 00:00:00", "Caveats": "Not including leap seconds", "Cadence": "PT0.0001220703125S", "Units": "s", "ValidMin": "0.0", "ValidMax": "5.0E9", "FillValue": "NaN", "Support": { "SupportQuantity": "Temporal" } } ] } } }