<?xml version="1.0" encoding="UTF-8"?>
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  <Version>2.0.0</Version>
  <Instrument>
    <ResourceID>spase://SMWG/Instrument/Ulysses/GRB</ResourceID>
    <ResourceHeader>
      <ResourceName>Solar X-Rays and Cosmic Gamma-Ray Bursts (HUS/GRB)</ResourceName>
      <AlternateName>GRB</AlternateName>
      <AlternateName>HUS</AlternateName>
      <ReleaseDate>2019-05-05T12:34:56Z</ReleaseDate>
      <Description>The objectives of this investigation are to study the acceleration and storage of energetic electrons accelerated during solar flares by measuring solar X-radiation; to identify gamma-ray burst sources with known celestial objects or phenomena; and to study plasma and energetic charged particle processes in the Jovian magnetosphere. The instrument consists of two hemispherical cesium iodide (sodium) crystals coupled to curved cathode photomultipliers; two small solid-state detectors with an americium 241 radioactive source deposited on the sensors, and a digital electronics unit. The scintillation counters measure X rays in the energy range from 15 to 150 keV, while the solid state detectors measure X rays from 5 to 15 keV. The instrument has a mass of 2.0 kg, uses 2.6 W of power, and has a data rate of 20 bps in storage mode and 40 bps in tracking mode.</Description>
      <Contact>
        <PersonID>spase://SMWG/Person/Kevin.C.Hurley</PersonID>
        <Role>PrincipalInvestigator</Role>
</Contact>
      <InformationURL>
        <Name>NSSDC's Master Catalog</Name>
        <URL>https://nssdc.gsfc.nasa.gov/nmc/experiment/display.action?id=1990-090B&amp;ex=1</URL>
        <Description>Information about the Solar X-Rays and Cosmic Gamma-Ray Bursts (HUS/GRB) experiment on the Ulysses mission.</Description>
</InformationURL>
</ResourceHeader>
    <InstrumentType>Unspecified</InstrumentType>
    <InvestigationName>Solar X-Rays and Cosmic Gamma-Ray Bursts (HUS/GRB) on Ulysses</InvestigationName>
    <ObservatoryID>spase://SMWG/Observatory/Ulysses</ObservatoryID>
</Instrument>
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