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    <logical_identifier>urn:nasa:pds:context:instrument_host:spacecraft.spitzer</logical_identifier>
    <version_id>1.0</version_id>
    <title>Spitzer Space Telescope</title>
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    <Modification_History>
      <Modification_Detail>
        <modification_date>2019-11-13</modification_date>
        <version_id>1.0</version_id>
        <description>Creation</description>
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    <Internal_Reference>
      <lid_reference>urn:nasa:pds:context:investigation:mission.spitzer</lid_reference>
      <reference_type>instrument_host_to_investigation</reference_type>
    </Internal_Reference>
    <Internal_Reference>
      <lid_reference>urn:nasa:pds:context:instrument:spitzer.irs</lid_reference>
      <reference_type>instrument_host_to_instrument</reference_type>
    </Internal_Reference>
    <External_Reference>
      <doi>10.1086/422992</doi>
      <reference_text>The Spitzer Space Telescope Mission, Werner, M.,
        Roellig, T., Low, F., Rieke, G., Rieke, M., Hoffmann, W., Young,
        E., Houck, J., Brandl, B., Fazio, G., Hora, J., Gehrz, R.,
        Helou, G., Soifer, B., Stauffer, J., Keene, J., Eisenhardt, P.,
        Gallagher, D., Gautier, T., Irace, W., Lawrence, C., Simmons, L.,
        Van Cleve, J., Jura, M., Wright, E., 2004, ApJS, 154, 1.</reference_text>
      <description>Paper describing the scientific, technical, and
        operational performance of Spitzer.</description>
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    <name>Spitzer Space Telescope</name>
    <type>Spacecraft</type>
    <naif_host_id>-79</naif_host_id>
    <description>The Spitzer Space Telescope was a 3-axis stabilized,
      pointing and scanning observatory in a solar, Earth-trailing orbit
      with three crogenically-cooled instruments operating from the near-
      to far-infrared. The telescope had an aperture of 85 cm, a
      diffraction limit of 5.5 microns, a field of view of ~5 arcmin x 5
      arcmin for each band, a pointing stability of &lt;0.1 arcsec, and a
      maximum tracking rate of 1.0 arcsec/sec. Its three instruments were
      the InfraRed Array Camera (IRAC), InfraRed Spectrograph (IRS), and
      Multiband Imaging Photometer for Spitzer (MIPS).</description>
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