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    <logical_identifier>urn:nasa:pds:lro-l-lroc-5-rdr:lrolrc_2001_extras:browse.wac_pole.wac_pole_ill_pct_south.wac_pole_ill_pct_south_100m</logical_identifier>
    <version_id>2.0</version_id>
    <title>WAC_POLE_ILL_PCT_SOUTH_100M</title>
    <information_model_version>1.19.0.0</information_model_version>
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    <Alias_List>
      <Alias>
        <alternate_id>WAC_POLE_ILL_PCT_SOUTH_100M.TIF</alternate_id>
        <comment>Original filename at PDS3 archive, on-line at LROC Node</comment>
      </Alias>
    </Alias_List>
    <Citation_Information>
      <publication_year>2020</publication_year>
      <description>
        WAC polar illumination map (88 to 90 deg South) derived from repeat
        observations acquired over one year (see [SPEYERERETAL2013]). This map
        indicates the percentage (PCT) of observations where the surface was
        illuminated in the south polar region and is sampled at 100 m/pixel in a
        polar stereographic projection centered at 90.0 S, 0.0 E. This map does
        not take into account the non-linear temporal sampling between
        observations.
      </description>
    </Citation_Information>
    <Modification_History>
      <Modification_Detail>
        <modification_date>2024-01-27</modification_date>
        <version_id>2.0</version_id>
        <description>
          Updated PDS4 label
        </description>
      </Modification_Detail>
      <Modification_Detail>
        <modification_date>2023-06-01</modification_date>
        <version_id>1.0</version_id>
        <description>
          This PDS4 labeled (detached label) product (orig PDS3 image) is a result
          migrating Lunar Reconnaissance Orbiter Camera RDR data to PDS4.
        </description>
      </Modification_Detail>
    </Modification_History>
  </Identification_Area>
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    <Investigation_Area>
      <name>Lunar Reconnaissance Orbiter</name>
      <type>Mission</type>
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        <comment>This is the PDS4 logical identifier for LRO</comment>
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    </Investigation_Area>
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      <Observing_System_Component>
        <name>LUNAR RECONNAISSANCE ORBITER CAMERA</name>
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    <Internal_Reference>
      <lid_reference>urn:nasa:pds:lro-l-lroc-5-rdr:lrolrc_2001_extras:browse.wac_pole.wac_pole_ill_pct_south.wac_pole_ill_pct_south_100m.browse</lid_reference>
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      <comment>
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    </Internal_Reference>
    <External_Reference>
      <doi>10.1007/s11214-010-9634-2</doi>
      <reference_text>
        Robinson, M. S.; Brylow, S. M.; Tschimmel, M.; Humm, D.; Lawrence, S. J.; Thomas, P. C.;
        Denevi, B. W.; Bowman-Cisneros, E.; Zerr, J.; Ravine, M. A.; Caplinger, M. A.; Ghaemi, F. T.; Schaffner, J. A.;
        Malin, M. C.; Mahanti, P.; Bartels, A.; Anderson, J.; Tran, T. N.; Eliason, E. M.; McEwen, A. S. Turtle, E.;
        Jolliff, B. L.; Hiesinger, H., 2010, "Lunar Reconnaissance Orbiter Camera (LROC) Instrument Overview", Space
        Science Reviews, Volume 150, Issue 1-4, pp. 81-124
      </reference_text>
      <description>instrument overview</description>
    </External_Reference>
  </Reference_List>
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