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        <title>ACS experiment</title>
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            <author_list>ACS Team</author_list>
            <publication_year>2023</publication_year>
            <doi>10.57780/esa-yy83w6t</doi>
            <description>The raw data collection contains the raw science and housekeeping data from the instrument and the data is released publicly on a daily basis with a six month lag from the data being obtained. Physically the collection is organised by science phase, then orbit range in groups of 100 orbits, then orbit.Different data types e.g. HK plus science from different channels may be mixed in this time related directory. A description of the raw data products is given in the ACS Experiment to Archive InterfaceControl Document (EAICD), available under the Documents tab in the PSA user interface or via the DocumentCollection on the PSA ftp page (http://archives.esac.esa.int/psa/ftp/ExoMars2016/em16_tgo_acs/document). A quick start guide can also be found at: https://issues.cosmos.esa.int/socciwiki/display/PSAPUB1/ACS+Quick+Start+Guide</description>
        </Citation_Information>
        <Modification_History>
            <Modification_Detail>
                <modification_date>2016-04-20</modification_date>
                <version_id>1.0</version_id>
                <description>First version released in time for launch</description>
            </Modification_Detail>
            <Modification_Detail>
                <modification_date>2019-09-01</modification_date>
                <version_id>2.0</version_id>
                <description>First production version to support start of science operations, updated information model (v1.11)</description>
            </Modification_Detail>
            <Modification_Detail>
                <modification_date>2021-11-01</modification_date>
                <version_id>3.0</version_id>
                <description>From November 2021 and DPS version 3.18 all products produced are version 3.0 and information model v1.15.</description>
            </Modification_Detail>
            <Modification_Detail>
                <modification_date>2024-06-22</modification_date>
                <version_id>4.0</version_id>
                <description>From June 2024 and DPS version 5.0 all products produced are version 4.0 and information model v1.21. This includes both reprocessed products from before this date and newly generated products processed for the first time, hence for data generated by the TGO after this date, the first version will be version 4.0.</description>
            </Modification_Detail>
        </Modification_History>
    </Identification_Area>
    <Observation_Area>
        <comment>Observational Intent</comment>
        <Time_Coordinates>
            <start_date_time>2018-03-08T12:00:00.000Z</start_date_time>
            <stop_date_time>2018-03-08T17:59:59.999Z</stop_date_time>
        </Time_Coordinates>
        <Primary_Result_Summary>
            <purpose>Engineering</purpose>
            <processing_level>Raw</processing_level>
            <description>Summary of Results</description>
            <Science_Facets>
                <wavelength_range>Infrared</wavelength_range>
                <domain>Atmosphere</domain>
                <discipline_name>Atmospheres</discipline_name>
            </Science_Facets>
        </Primary_Result_Summary>
        <Investigation_Area>
            <name>ExoMars 2016</name>
            <type>Mission</type>
            <Internal_Reference>
                <lid_reference>urn:esa:psa:context:investigation:mission.em16</lid_reference>
                <reference_type>data_to_investigation</reference_type>
            </Internal_Reference>
        </Investigation_Area>
        <Observing_System>
            <description>Observing System for TGO+ACS</description>
            <Observing_System_Component>
                <name>TGO</name>
                <type>Host</type>
                <description>Instrument Host</description>
                <Internal_Reference>
                    <lid_reference>urn:esa:psa:context:instrument_host:spacecraft.tgo</lid_reference>
                    <reference_type>is_instrument_host</reference_type>
                </Internal_Reference>
            </Observing_System_Component>
            <Observing_System_Component>
                <name>ACS</name>
                <type>Instrument</type>
                <description>Instrument ACS</description>
                <Internal_Reference>
                    <lid_reference>urn:esa:psa:context:instrument:tgo.acs</lid_reference>
                    <reference_type>is_instrument</reference_type>
                </Internal_Reference>
            </Observing_System_Component>
        </Observing_System>
        <Target_Identification>
            <name>NON SCIENCE</name>
            <type>Calibration Field</type>
            <description>
	         	NON SCIENCE target identifies a calibration event in which the instrument was pointed at an onboard calibration target.
        	</description>
            <Internal_Reference>
                <lidvid_reference>urn:nasa:pds:context:target:calibrator.non_science::1.0</lidvid_reference>
                <reference_type>data_to_target</reference_type>
            </Internal_Reference>
        </Target_Identification>
        <Mission_Area>
            <psa:Mission_Information>
                <psa:Mission_Phase>
                    <psa:name>Aerobraking</psa:name>
                    <psa:id>ap</psa:id>
                </psa:Mission_Phase>
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                <psa:stop_orbit_number>1304</psa:stop_orbit_number>
            </psa:Mission_Information>
            <psa:Sub-Instrument>
                <psa:identifier>HK_NIR</psa:identifier>
                <psa:name>ACS Housekeeping Long Term TM</psa:name>
                <psa:type>Spectrometer</psa:type>
            </psa:Sub-Instrument>
            <psa:Processing_Context>
                <psa:processing_software_title>EM16 Data Processing System</psa:processing_software_title>
                <psa:processing_software_version>5.0.0</psa:processing_software_version>
            </psa:Processing_Context>
        </Mission_Area>
    </Observation_Area>
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            <lid_reference>urn:esa:psa:em16_tgo_acs:document:exm-ac-icd-iki-00001_acs_eaicd</lid_reference>
            <reference_type>data_to_document</reference_type>
        </Internal_Reference>
        <Internal_Reference>
            <lid_reference>urn:esa:psa:em16_spice:spice_kernels:mk_em16</lid_reference>
            <reference_type>data_to_spice_kernel</reference_type>
        </Internal_Reference>
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            <reference_type>data_to_telemetry_source_product</reference_type>
            <curating_facility>ExoMars 16 Science Operations Center</curating_facility>
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    </Reference_List>
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