{ "id": "GE_H0_CPI", "url": "http://hpde.io/JAXA/NumericalData/Geotail/CPI/SWA/PT48S", "data-file": "./data/spase_hpde_io/info/GE_H0_CPI.json", "data": { "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 http://www.spase-group.org/data/schema/spase-2_3_0.xsd'", "Version": "2.3.0", "NumericalData": { "ResourceID": "spase://JAXA/NumericalData/Geotail/CPI/SWA/PT48S", "ResourceHeader": { "ResourceName": "Geotail CPI Definitive Solar Wind Moments", "ReleaseDate": "2021-04-27T17:52:35Z", "Description": "The CPI Solar Wind analyzer definitive plasma moments. The CPI/SW data are good in the solar wind and may be usefull in the magnetosheath.", "Contact": [ { "PersonID": "spase://SMWG/Person/Louis.A.Frank", "Role": "PrincipalInvestigator" }, { "PersonID": "spase://SMWG/Person/Kent.L.Ackerson", "Role": "DataProducer" }, { "PersonID": "spase://SMWG/Person/Jan.Merka", "Role": "MetadataContact" } ], "InformationURL": { "Name": "CPI Survey Plots", "URL": "http://www-pi.physics.uiowa.edu/cpi/", "Description": "Geotail CPI description and survey plots." }, "PriorID": [ "spase://VMO/NumericalData/Geotail/CPI/UIOWA_PT48S", "spase://VMO/NumericalData/Geotail/CPI/SWA_PT48S", "spase://VSPO/NumericalData/Geotail/CPI/SWA/PT48S" ] }, "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/geotail/cpi/cpi_h0/" }, "Format": "CDF", "Encoding": "None" }, { "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWeb", "Availability": "Online", "AccessRights": "Open", "AccessURL": { "Name": "HTTPS from SPDF", "URL": "https://spdf.gsfc.nasa.gov/pub/data/geotail/cpi/cpi_h0/", "Description": "In CDF via HTTP from SPDF" }, "Format": "CDF", "Encoding": "None" }, { "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWeb", "Availability": "Online", "AccessRights": "Open", "AccessURL": { "Name": "CDAWeb", "URL": "https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?dataset=GE_H0_CPI&index=sp_phys", "ProductKey": "GE_H0_CPI" }, "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": "GE_H0_CPI", "Description": "Web Service to this product using the HAPI interface." }, "Format": "CSV" }, { "RepositoryID": "spase://SMWG/Repository/UIowa/ParticlesImagingGroup", "Availability": "Online", "AccessRights": "Open", "AccessURL": { "Name": "University of Iowa: Geotail CPI SW data", "URL": "http://www-pi.physics.uiowa.edu/cpi-data/sw/" }, "Format": "Text", "Encoding": "ASCII" } ], "InstrumentID": "spase://SMWG/Instrument/Geotail/CPI/SWA", "MeasurementType": [ "ThermalPlasma", "IonComposition" ], "TemporalDescription": { "TimeSpan": { "StartDate": "1992-09-28T00:00:33", "RelativeStopDate": "-P2M" }, "Cadence": "PT48S" }, "ObservedRegion": [ "Heliosphere.NearEarth", "Earth.Magnetosheath" ], "Caveats": "The CPI solar wind ion analyzer is an E/Q analyzer and the initial distribution functions were calculated assuming that the plasma is H+. Care must be taken when multi-component plasmas are present. If He++ is present and is flowing with the same speed as the H+ component, it will contribute to the distribution function at twice the velocity (four times the energy) of the H+. To facilitate the automated processing of the data the integral was evaluated between vmin = 171 km/s and vmax = 1.35 × u . The resulting temperatures produce excellent fits to the observations. When He++ is present the distribution functions are consistent with an He++ temperature, THe++ = 4 × TH+, i.e., the H+ and He++ have similar thermal velocities.", "Parameter": { "Epoch": { "Name": "Time", "ParameterKey": "Epoch", "Description": "Time in milliseconds, centered, since CDF Epoch", "Units": "ms", "UnitsConversion": "1e-3>s", "ValidMin": "08-Sep-1992 00:00:00.000", "ValidMax": "31-Dec-2020 20:00:00.000", "FillValue": "-1.0E31", "Support": { "SupportQuantity": "Temporal" } }, "SW_V": { "Name": "Vi GSE (r,theta,phi)", "ParameterKey": "SW_V", "Description": "Ion bulk flow velocity vector in spherical GSE coordinates", "Caveats": "From 5 deg angular bins", "Units": "km/s", "UnitsConversion": "1e3>m/s", "CoordinateSystem": { "CoordinateRepresentation": "Spherical", "CoordinateSystemName": "GSE" }, "RenderingHints": { "ValueFormat": "F9.2" }, "Structure": { "Size": "3", "Element": [ { "Name": "Vr", "Qualifier": "Magnitude", "Index": "1", "Units": "km/s", "ValidMin": "0.0", "ValidMax": "1200.0", "FillValue": "-1.0E31" }, { "Name": "Vtheta", "Qualifier": "DirectionAngle.ElevationAngle", "Index": "2", "Units": "deg", "ValidMin": "0.0", "ValidMax": "180.0", "FillValue": "-1.0E31" }, { "Name": "Vphi", "Qualifier": "DirectionAngle.AzimuthAngle", "Index": "3", "Units": "deg", "ValidMin": "0.0", "ValidMax": "360.0", "FillValue": "-1.0E31" } ] }, "Particle": { "ParticleType": [ "Proton", "AlphaParticle", "Ion" ], "Qualifier": [ "Moment", "Vector" ], "ParticleQuantity": "FlowVelocity" } }, "SW_Vc": { "Name": "Vi GSE", "ParameterKey": "SW_Vc", "Description": "Ion bulk flow velocity vector in GSE cartesian coordinates", "Caveats": "From 5 deg angular bins", "Units": "km/s", "UnitsConversion": "1e3>m/s", "CoordinateSystem": { "CoordinateRepresentation": "Cartesian", "CoordinateSystemName": "GSE" }, "RenderingHints": { "ValueFormat": "F7.0" }, "Structure": { "Size": "3", "Element": [ { "Name": "Vx", "Qualifier": "Component.I", "Index": "1", "ValidMin": "-1400.0", "ValidMax": "1400.0", "FillValue": "-1.0E31" }, { "Name": "Vy", "Qualifier": "Component.J", "Index": "2", "ValidMin": "-1400.0", "ValidMax": "1400.0", "FillValue": "-1.0E31" }, { "Name": "Vz", "Qualifier": "Component.K", "Index": "3", "ValidMin": "-1400.0", "ValidMax": "1400.0", "FillValue": "-1.0E31" } ] }, "Particle": { "ParticleType": [ "Proton", "AlphaParticle", "Ion" ], "Qualifier": [ "Moment", "Vector" ], "ParticleQuantity": "FlowVelocity" } }, "SW_T": { "Name": "Ti", "ParameterKey": "SW_T", "Description": "Kinetic temperature of hydrogen component of solar wind, scalar", "Caveats": "Calculated by integrating the distribution function", "Units": "Component.K", "RenderingHints": { "ValueFormat": "F7.0" }, "ValidMin": "10000.0", "ValidMax": "1.0E7", "FillValue": "-1.0E31", "Particle": { "ParticleType": "Proton", "Qualifier": [ "Moment", "Scalar" ], "ParticleQuantity": "Temperature" } }, "SW_P_Den": { "Name": "Np", "ParameterKey": "SW_P_Den", "Description": "Ion number density (SWA), scalar", "Caveats": "Assuming no helium (0.3 - several hundred) if the density is less than 0.3/cc the higher moments (velocity, temperature) shall not be used because of the poor counting statistics.", "Units": "cm^-3", "UnitsConversion": "1e6>m^-3", "RenderingHints": { "ValueFormat": "F8.3" }, "ValidMin": "0.01", "ValidMax": "1000.0", "FillValue": "-1.0E31", "Particle": { "ParticleType": "Proton", "Qualifier": [ "Moment", "Scalar" ], "ParticleQuantity": "NumberDensity" } }, "SW_Pressure": { "Name": "Psw", "ParameterKey": "SW_Pressure", "Description": "Ion pressure (assuming protons measured and adding 5% alphas, from SWA), scalar", "Caveats": "Assuming Vp = Va, P = C * Np * mp * Vp*Vp * [1 + 4(.05)]. mp = 1.67 * 10^(-27), C = 10^(21), Np in #/cc, Vp in km/s. Pressure not provided for density less than 0.3/cc because of the poor counting statistics.", "Units": "nPa", "UnitsConversion": "1e-9>Pa", "ValidMin": "1.0E-4", "ValidMax": "100.0", "FillValue": "-1.0E31", "Particle": { "ParticleType": [ "Proton", "AlphaParticle", "Ion" ], "Qualifier": "Scalar", "ParticleQuantity": "Pressure" } } } } } } }