<?xml version="1.0" encoding="UTF-8"?>
<?xml-model href="https://pds.nasa.gov/pds4/pds/v1/PDS4_PDS_1L00.sch" schematypens="http://purl.oclc.org/dsdl/schematron"?>

<Product_Collection 
    xmlns="http://pds.nasa.gov/pds4/pds/v1" 
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
    xsi:schemaLocation="http://pds.nasa.gov/pds4/pds/v1 https://pds.nasa.gov/pds4/pds/v1/PDS4_PDS_1L00.xsd">
    
    <Identification_Area>
        <logical_identifier>urn:nasa:pds:ody.themis.sdp:data_visrdr</logical_identifier>
        <version_id>8.0</version_id>
        <title>2001 Mars Odyssey THEMIS Standard Data Products VIS-RDR Collection</title>
        <information_model_version>1.21.0.0</information_model_version>
        <product_class>Product_Collection</product_class>
        <Alias_List>
            <Alias>
                <alternate_id>USA_NASA_PDS_ODTSDP_100XX</alternate_id>
                <alternate_title>MARS ODYSSEY THEMIS Standard Data Products</alternate_title>
                <comment>This Product_Collection was originally published as the described PDS3 Volume Set.</comment>
            </Alias>
            <Alias>
                <alternate_id>ODY-M-THM-3.VISRDR-1.0</alternate_id>
                <alternate_title>Odyssey THEMIS Visbile Calibrated (RDR)</alternate_title>
                <comment>Some products in this Product_Collection were originally published as the described PDS3 Data Set.</comment>
            </Alias>
        </Alias_List>
        <Citation_Information>
            <author_list>Christensen, P.R.</author_list>
            <editor_list>Murray, K.C</editor_list>
            <publication_year>2002</publication_year>
            <keyword>THEMIS</keyword>
            <description>This collection contains the raw and calibrated data collected by the Thermal Emission Imaging System (THEMIS) instrument aboard the 2001 Mars Odyssey (ODY) spacecraft.
            </description>
        </Citation_Information>
        <Modification_History>
            <Modification_Detail> 
                <modification_date>2026-04-01</modification_date> 
                <version_id>8.0</version_id>
                <description>Adding Release_id=(0081,0082,0095) products to collection
                </description>
            </Modification_Detail>
            <Modification_Detail> 
                <modification_date>2026-02-01</modification_date> 
                <version_id>7.0</version_id>
                <description>Adding Release_id=(0001,0002,0083) products to collection
                </description>
            </Modification_Detail>
            <Modification_Detail> 
                <modification_date>2026-01-01</modification_date> 
                <version_id>6.0</version_id>
                <description>Adding Release_id=0094 products to collection
                </description>
            </Modification_Detail>
            <Modification_Detail> 
                <modification_date>2025-10-01</modification_date> 
                <version_id>5.0</version_id>
                <description>Adding Release_ID=0093 products to collection
                </description>
            </Modification_Detail>
            <Modification_Detail> 
                <modification_date>2025-09-01</modification_date> 
                <version_id>4.0</version_id>
                <description>Adding Release_id=(0084,0085,0086,0087) products to collection
                </description>
            </Modification_Detail>
            <Modification_Detail> 
                <modification_date>2025-07-01</modification_date> 
                <version_id>3.0</version_id>
                <description>Adding Release_id=0092 and 0088 products to collection
                </description>
            </Modification_Detail>
            <Modification_Detail> 
                <modification_date>2025-04-01</modification_date> 
                <version_id>2.0</version_id>
                <description>Adding Release_id=(0089,0091) products to collection
                </description>
            </Modification_Detail>
            <Modification_Detail> 
                <modification_date>2025-01-01</modification_date> 
                <version_id>1.0</version_id>
                <description>This PDS4 Collection was generated to bring the 2001 ODYSSEY THEMIS archive into compliance with PDS4 standards. The initial collection includes products from release_id=0090.
                </description>
            </Modification_Detail>
            
        </Modification_History>
    </Identification_Area>

    <Context_Area>
        <!-- update comment when collection complete -->
        <comment>This Product Collection contains a subset of the THEMIS data products originally published under PDS3 standards. 
            See start and end date_time values in Time_Coordinates for current approximate collection coverage.
        </comment>
        <Time_Coordinates>
            <start_date_time>2021-11-26T00:00:00Z</start_date_time>
            <stop_date_time>2025-09-01T00:00:00Z</stop_date_time>
        </Time_Coordinates>
        <Primary_Result_Summary> 
            <purpose>Science</purpose>
            <processing_level>Calibrated</processing_level>
        </Primary_Result_Summary>
        <Investigation_Area>
            <name>2001 Mars Odyssey</name>
            <type>Mission</type>
            <Internal_Reference>
                <lid_reference>urn:nasa:pds:context:investigation:mission.2001_mars_odyssey</lid_reference>
                <reference_type>collection_to_investigation</reference_type>
            </Internal_Reference>
        </Investigation_Area>
        <Observing_System>
            <Observing_System_Component>
               <name>2001 Mars Odyssey</name>
               <type>Host</type>
               <Internal_Reference>
                 <lid_reference>urn:nasa:pds:context:instrument_host:spacecraft.ody</lid_reference>
                 <reference_type>is_instrument_host</reference_type>
               </Internal_Reference>
            </Observing_System_Component>
            <Observing_System_Component>
               <name>THEMIS</name>
               <type>Instrument</type>
               <description>Thermal Emission Imaging System</description>
               <Internal_Reference>
                 <lid_reference>urn:nasa:pds:context:instrument:ody.themis</lid_reference>
                 <reference_type>is_instrument</reference_type>
               </Internal_Reference>
            </Observing_System_Component>
        </Observing_System>
        <Target_Identification>
            <name>Mars</name>
            <type>Planet</type>
            <Internal_Reference>
                <lid_reference>urn:nasa:pds:context:target:planet.mars</lid_reference>
                <reference_type>collection_to_target</reference_type>
            </Internal_Reference>
        </Target_Identification>
    </Context_Area>

    <Reference_List>
        <Internal_Reference>
            <lid_reference>urn:nasa:pds:context:resource:resource.ody.themis.sdp_online</lid_reference>
            <reference_type>has_resource</reference_type>
        </Internal_Reference>
        <External_Reference>
          <doi>10.1023/B:SPAC.0000021008.16305.94</doi>
          <reference_text>Christensen, P.R., Jakosky, B.M., Kieffer, H.H. et al. 
              The Thermal Emission Imaging System (THEMIS) for the Mars 2001 Odyssey Mission. 
              Space Science Reviews 110, 85130 (2004). 
          </reference_text>
          <description>THEMIS Instrument overview in a journal publication</description>
        </External_Reference>
    </Reference_List>
    
    <Collection>
        <collection_type>Data</collection_type>
    </Collection>
    <File_Area_Inventory>
        <File>
            <file_name>collection_data_visrdr_inventory.csv</file_name> 
            <creation_date_time>2026-03-04T17:42:01Z</creation_date_time>
            <md5_checksum>fa39669f0cffbceadefd6e88e073b400</md5_checksum>
        </File>
        <Inventory>
            <offset unit="byte">0</offset>
            <parsing_standard_id>PDS DSV 1</parsing_standard_id>
            <records>31001</records>
            <record_delimiter>Carriage-Return Line-Feed</record_delimiter>
            <field_delimiter>Comma</field_delimiter>
            <Record_Delimited>
                <fields>2</fields>
                <groups>0</groups>
                <Field_Delimited>
                    <name>Member Status</name>
                    <field_number>1</field_number>
                    <data_type>ASCII_String</data_type>
                    <maximum_field_length unit="byte">1</maximum_field_length>
                </Field_Delimited>
                <Field_Delimited>
                    <name>LIDVID_LID</name>
                    <field_number>2</field_number>
                    <data_type>ASCII_LIDVID_LID</data_type>
                    <maximum_field_length unit="byte">255</maximum_field_length>
                </Field_Delimited>
            </Record_Delimited>
            <reference_type>inventory_has_member_product</reference_type>
        </Inventory>
    </File_Area_Inventory>
</Product_Collection>