<_Note>Nodes prefixed with a _ are not valid SPASE, but are included for debugging. Values prefixed with a x_ are not valid SPASE but may considered for addition for completeness. 2.6.1 <_MasterURL>https://cdaweb.gsfc.nasa.gov/pub/software/cdawlib/0JSONS/psp_swp_spi_sf0a_l3_mom_00000000_v01.json (from all.xml) spase://NASA/NumericalData/ParkerSolarProbe/SWEAP/SPAN-I/Level-3/AlphaPartialMoments/VariableCadence.xml <_ResourceID>Source: https://github.com/rweigel/cdawmeta-spase/blob/main/ResourceID.json Partial moments of the Alpha distribution function in the SPAN-Ion instrument, PSP spacecraft, and RTN coordinate systems. User should be aware that the full ion distribution is typically NOT in the FOV of the instrument. <_ResourceName>Source: Master/CDFglobalAttributes/Logical_source_description psp_swp_spi_sf0a_L3_mom <_AlternateName>Source: Master/CDFglobalAttributes/Logical_source http://sprg.ssl.berkeley.edu/data/psp/pub/sci/sweap/description/ <_Description>Source: Master/CDFglobalAttributes/TEXT <_Rights> SPDX Creative Commons Zero v1.0 Universal https://spdx.org/licenses/CC0-1.0.html https://spdx.org/licenses/ PSP/SWEAP/SPAN Electron and Ion Data https://doi.org/10.48322/9z9b-sz73 <_DOI>Source: https://github.com/rweigel/cdawmeta-spase/blob/main/DOI.json <_AccessInformation>Source: https://github.com/rweigel/cdawmeta-spase/blob/main/AccessInformation.json 2018-10-02T04:04:15Z 2025-11-28T12:18:20Z <_TemporalDescription>Generated from all.xml/@timerange_start and all.xml/@timerange_stop PT55.924138S <_Cadence>Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/psp/sweap/spi/l3/spi_sf0a_l3_mom/2018/psp_swp_spi_sf0a_l3_mom_20181002_v04.cdf. The most common cadence, 55924138496 [ns] = PT55.924138S, occurred for 21.2714% of the 174 timesteps. <_ObservedRegion>Source: https://github.com/rweigel/cdawmeta-spase/blob/main/ObservedRegion.json <_ProcessingLevel>Processing level is not available in the master file; it should be there instead of, say, https://github.com/rweigel/cdawmeta-spase/blob/main/ProcessingLevel.json spase://SMWG/Instrument/ spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb. Please also acknowledge the data producer: Michael L. Stevens at Center for Astrophysics, Harvard and Smithsonian HTTPS from SPDF https://cdaweb.gsfc.nasa.gov/pub/data/psp/sweap/spi/l3/spi_sf0a_l3_mom In CDF via HTTP from CDAWeb psp_swp_spi_sf0a_l3_mom_%Y%m%d_%Q.cdf %Y PSP_SWP_SPI_SF0A_L3_MOM CDF spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb. Please also acknowledge the data producer: Michael L. Stevens at Center for Astrophysics, Harvard and Smithsonian FTPS from SPDF ftps://cdaweb.gsfc.nasa.gov/pub/data/psp/sweap/spi/l3/spi_sf0a_l3_mom In CDF via HTTP from CDAWeb psp_swp_spi_sf0a_l3_mom_%Y%m%d_%Q.cdf %Y PSP_SWP_SPI_SF0A_L3_MOM CDF spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb. Please also acknowledge the data producer: Michael L. Stevens at Center for Astrophysics, Harvard and Smithsonian CDAWeb Web Service https://cdaweb.gsfc.nasa.gov/WebServices/ Instructions for using web services to access this dataset an other other metadata and options for CDAWeb datasets. The ProductKey here corresponds to the query parameter 'dataset' in the tables at the AccessURL in a dataset-related request can be made. PSP_SWP_SPI_SF0A_L3_MOM CDF CSV GIF NetCDF PNG PS PDF XML x_Script.IDL x_Script.Python Text.ASCII x_WAV spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb. Please also acknowledge the data producer: Michael L. Stevens at Center for Astrophysics, Harvard and Smithsonian CDAWeb Web Service user interface https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?index=sp_phys&dataset=PSP_SWP_SPI_SF0A_L3_MOM PSP_SWP_SPI_SF0A_L3_MOM Web service user interface for this product. CDF GIF PDF Text.ASCII x_WAV spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb. Please also acknowledge the data producer: Michael L. Stevens at Center for Astrophysics, Harvard and Smithsonian CDAWeb Python Script https://cdaweb.gsfc.nasa.gov/WS/cdasr/1/dataviews/sp_phys/datasets/PSP_SWP_SPI_SF0A_L3_MOM/clientLibraryExample/ PSP_SWP_SPI_SF0A_L3_MOM Web service that generates a Python script to access this product. x_Script.IDL x_Script.Python spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/SSCWeb. Please also acknowledge the data producer: Michael L. Stevens at Center for Astrophysics, Harvard and Smithsonian 4D Orbit Viewer https://sscweb.gsfc.nasa.gov/4dorbit/?sc=PSP_SWP_SPI_SF0A_L3_MOM PSP_SWP_SPI_SF0A_L3_MOM Web Service to this product. HTML spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb and the HAPI project. Please also acknowledge the data producer: Michael L. Stevens at Center for Astrophysics, Harvard and Smithsonian CDAWeb HAPI Server https://hapi-server.org/servers/#server=CDAWeb&dataset=PSP_SWP_SPI_SF0A_L3_MOM PSP_SWP_SPI_SF0A_L3_MOM Web Service to this product using the HAPI interface. CSV JSON Binary spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb and the HAPI project. Please also acknowledge the data producer: Michael L. Stevens at Center for Astrophysics, Harvard and Smithsonian CDAWeb HAPI Script in Multiple Languages https://hapi-server.org/servers/#server=CDAWeb&dataset=PSP_SWP_SPI_SF0A_L3_MOM&return=script PSP_SWP_SPI_SF0A_L3_MOM Web Service user interface that generates scripts in IDL, Javascript, MATLAB, Python, Autoplot, curl, wget to access this product. See https://hapi-server.org/servers/api for the API. x_Script.IDL x_Script.Javascript x_Script.MATLAB x_Script.Python x_Script.Autoplot x_Script.curl x_Script.wget spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb and the HAPI project. Please also acknowledge the data producer: Michael L. Stevens at Center for Astrophysics, Harvard and Smithsonian HAPI visualizations https://hapi-server.org/plot/?server=https://cdaweb.gsfc.nasa.gov/hapi&dataset=PSP_SWP_SPI_SF0A_L3_MOM&format=gallery PSP_SWP_SPI_SF0A_L3_MOM Web Service that generates plots. See https://hapi-server.org/plot/ for the API. PNG PDF SVG Parker Solar Probe (from all.xml/observatory/description/@short) Parker Solar Probe/Solar Wind Electrons Alphas and Protons/Solar Probe ANalyzers (from all.xml/instrument/description/@short) Heliospheric Physics (from Master/CDFglobalAttributes/Discipline) Particles (from Master/CDFglobalAttributes/Discipline) PSP (from Master/CDFglobalAttributes/Source_name) Parker Solar Probe (from Master/CDFglobalAttributes/Source_name) Solar Wind Particle Distributions (from Master/CDFglobalAttributes/Data_type) PSP/SWEAP/SPAN (from all.xml/instrument/@ID) Heliosphere Heliosphere.Inner Heliosphere.NearEarth Sun.Corona EnergeticParticles ThermalPlasma Time in TT2000 format Epoch CATDESC: 'Time at middle of sample'. Notes not in Master CDF: 'The units are the units in CDF files. For other web services, this variable is may be represented as a time string.' ns Scalar Temporal Time in TT2000 format Epoch Master CDF CATDESC: 'Time at middle of sample'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' ns 9999-12-31T23:59:59.999999999 Time in UTC format TIME Master CDF CATDESC: 'Time at middle of sample'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' s NaN Counts CNTS Master CDF CATDESC: 'Counts'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' NaN Quality Flag QUALITY_FLAG Master CDF CATDESC: 'Quality Flag'. Master CDF VAR_NOTES: 'The quality flag is a two-byte unsigned integer (CDF_UINT2) with its least significant bit (Bit 0) indicating: Counter Overflow, Bit 1: Survey Snapshot ON (not applicable to archive products), Bit 2: Alternate Energy Table, Bit 3: Spoiler Test, Bit 4: Attenuator Engaged, Bit 5: Highest Archive Rate, Bit 6: No Targeted Sweep, Bit 7: SPAN-Ion New Mass Table (not applicable to electrons), Bit 8: Over-deflection, Bit 9: Archive Snapshot ON, Bit 10: Bad Energy Table, Bit 11: MCP Test, Bit 12: Survey Available, Bit 13: ُArchive Available, Bits 14-15: Reserved.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' 65535 Density DENS Master CDF CATDESC: 'Partial Moment Density'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' cm^-3 NaN Velocity (Instrument) VEL_INST Master CDF CATDESC: 'Partial Moment Velocity in Instrument Coordinates'. Master CDF VAR_NOTES: 'In instrument frame'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' km/s NaN 3 Velocity (Spacecraft) VEL_SC Master CDF CATDESC: 'Partial Moment Velocity in Spacecraft Coordinates'. Master CDF VAR_NOTES: 'In spacecraft frame, spacecraft velocity NOT removed'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' km/s NaN 3 Velocity (RTN_SUN) VEL_RTN_SUN Master CDF CATDESC: 'Partial Moment Velocity in RTN Coordinates and Sun reference frame'. Master CDF VAR_NOTES: 'In Sun frame, spacecraft velocity removed'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' km/s NaN 3 Temperature Tensor (Instrument) T_TENSOR_INST Master CDF CATDESC: 'Partial Moment Temperature Tensor in instrument frame'. Master CDF VAR_NOTES: 'In instrument frame'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' eV NaN 6 Temperature TEMP Master CDF CATDESC: 'Average of Trace of Partial Moment Temperature Tensor'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' eV NaN Eflux vs Energy EFLUX_VS_ENERGY Master CDF CATDESC: 'Differential Energy Flux vs Energy'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' eV/cm2-s-ster-eV NaN 32 Eflux vs Theta EFLUX_VS_THETA Master CDF CATDESC: 'Differential Energy Flux vs Theta'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' eV/cm2-s-ster-eV NaN 8 Eflux vs Phi EFLUX_VS_PHI Master CDF CATDESC: 'Differential Energy Flux vs Phi'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' eV/cm2-s-ster-eV NaN 8 Energy ENERGY_VALS Master CDF CATDESC: 'Energy'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' eV NaN 32 Instrument Theta THETA_VALS Master CDF CATDESC: 'Elevation Angle in instrument coordinates'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' Degrees NaN 8 Instrument Phi PHI_VALS Master CDF CATDESC: 'Azimuth Angle in instrument coordinates'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' Degrees NaN 8 Sun Distance SUN_DIST Master CDF CATDESC: 'Spacecraft Distance to the Sun'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' km NaN Venus Distance VENUS_DIST Master CDF CATDESC: 'Spacecraft Distance to Venus'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' km NaN Spacecraft Velocity (RTN_SUN) SC_VEL_RTN_SUN Master CDF CATDESC: 'Spacecraft Velocity in RTN Coordinates and Sun reference frame'. Master CDF VAR_NOTES: 'In Sun frame'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' km/s NaN 3 Quaternion QUAT_SC_TO_RTN Master CDF CATDESC: 'Quaternion for Rotating from Spacecraft to RTN Coordinates'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' NaN 4 Magnetic Field (Spacecraft) MAGF_SC Master CDF CATDESC: 'Magnetic Field in Spacecraft Coordinates'. Master CDF VAR_NOTES: 'In spacecraft frame'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' nT NaN 3 Magnetic Field (Instrument) MAGF_INST Master CDF CATDESC: 'Magnetic Field in Instrument Coordinates'. Master CDF VAR_NOTES: 'In instrument frame'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' nT NaN 3