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    • Voyager 2 Uranus Plasma Science (PLS) Derived Ion Fits, Version 1.0, 48 s Summary Data

    Metadata Updated: April 10, 2026

    • Data Set Overview\n* =================\n\nThis Data Set contains the total Ion Density obtained from Voyager 2 PLS Data (Voltage Range 10 eV/Q to 5950 eV/Q) at Uranus by fitting the measured Spectra with isotropic Maxwellian Distributions. It is a Subset of the Data Set VG2-U-PLS-5-RDR-IONFIT-48SEC. Up to three isotropic Proton Components (warm, hot, and intermediate) were used to match the Observations. These were then summed to give total Ion Density. This Determination does not include possible Plasma outside the PLS Energy Range; Limits on a cold Component can be derived in the Charging Region from 19:39 to 21:58 on Day 24. It is found that if a cold Component exists it will increase the total Ion Density by at most a Factor of Two. Uncertainties in Plasma Parameters are a Factor of Two in the Charging Region, less than 20% elsewhere. A complete Description of this Data Set is given in (McNutt et al., 1987) and (Selesnick and McNutt, 1987). Data Format: the first six Columns are Time Tags (6I4), the last Column is the total Ion Density in cm^-3 (E11.3). Flag Values of 1.0E32 indicate that the Parameter could not be obtained from the Data using the standard Analysis Technique. Additional Information about this Data Set and the Instrument which produced it can be found elsewhere in this Catalog. An Overview of the Data in this Data Set can be found in (McNutt et al., 1987) and (Selesnick and McNutt, 1987) and a complete Instrument Description can be found in (Bridge, 1977).\n\n+----------------------------------------------------+\n| Parameter Characteristics | Value |\n------------------------------------------------------\n| Sampling Parameter Name | TIME |\n| Sampling Parameter Resolution | 48.000000 |\n| Minimum Sampling Parameter | N/A |\n| Maximum Sampling Parameter | N/A |\n| Sampling Parameter Interval | 48.000000 |\n| Minimum Available Sampling Int | 24.000000 |\n| Sampling Parameter Unit | SECOND |\n| Data Set Parameter Name | ION DENSITY |\n| Noise Level | N/A |\n| Data Set Parameter Unit | CM^-3 |\n+----------------------------------------------------+\n\n+----------------------------------------------------+\n| Parameter Characteristics | Value |\n------------------------------------------------------\n| Sampling Parameter Name | TIME |\n| Sampling Parameter Resolution | 48.000000 |\n| Minimum Sampling Parameter | N/A |\n| Maximum Sampling Parameter | N/A |\n| Sampling Parameter Interval | 48.000000 |\n| Minimum Available Sampling Int | 24.000000 |\n| Sampling Parameter Unit | SECOND |\n| Data Set Parameter Name | ION THERMAL SPEED |\n| Noise Level | N/A |\n| Data Set Parameter Unit | KM/S |\n+----------------------------------------------------+

    Access & Use Information

    Public: This dataset is intended for public access and use. License: See this page for license information.

    Downloads & Resources

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    Dates

    Metadata Created Date March 13, 2026
    Metadata Updated Date April 10, 2026

    Metadata Source

    Harvested from NASA Data.json

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date March 13, 2026
    Metadata Updated Date April 10, 2026
    Publisher PDS PPI
    Maintainer
    Identifier /SDE/SPASE_JSON/|dfd888760620c040f5b788ced2f92ddd
    Data Last Modified 2026-04-06
    Category Heliophysics
    Public Access Level public
    Bureau Code 026:00
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Harvest Object Id a22f1782-2eb4-4ecd-aef7-de671adfaa4a
    Harvest Source Id 58f92550-7a01-4f00-b1b2-8dc953bd598f
    Harvest Source Title NASA Data.json
    License https://www.usa.gov/government-works
    Program Code 026:000
    Source Datajson Identifier True
    Source Hash f551900d70feacbd638a475906afb68a1a2b987986ae280d8c5b82df4a002bbb
    Source Schema Version 1.1

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