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    <Identification_Area>
        <logical_identifier>urn:nasa:pds:nh_lorri:kem1_raw</logical_identifier>
        <version_id>2.0</version_id>
        <title>New Horizons LOng Range Reconnaissance Imager (LORRI) Kuiper Belt Extended Mission (KEM1) Encounter Raw Data</title>
        <information_model_version>1.19.0.0</information_model_version>
        <product_class>Product_Collection</product_class>
        <Citation_Information>
            <author_list>Barnouin, O.; Daly, T.; Brown, L.; Hayes, J.; Singer, K. N.; Stern, S. A.</author_list>
            <editor_list>Enke, B.; Gobat, C.; Keeney, B.; Crombie, M. K.; Parker, J. Wm.; Hirsch, B.; Redfern, J.</editor_list>
            <publication_year>2026</publication_year>
            <doi>10.26007/d3a2-rf26</doi>
            <description>
                This data set contains raw data taken by the New Horizons Long Range
                Reconnaissance Imager instrument during the KEM1 ENCOUNTER mission
                phase.

                This version includes Distant Kuiper Belt Object (DKBO) observations of 2011 HF103,
                2011 HK103, 2011 HZ102, 2011 JA32, 2011 JW31, 2011 JX31, 2011 JY31, 2014 OE394,
                2014 OJ394, 2014 OS393, 2014 PN70, 2020 KP11, 2020 KR11, and 2020 KT11, plus data
                from a Cosmic Optical Background Demo and a Microlensing demo. There are also
                observations of 50000 QUAOAR (2002 LM60), ASTEROID 307261 (2002 MS4),
                ASTEROID 486958 (2014 MU69), HD 37962, INTERPLANETARY DUST, M7, NGC 3532,
                PROXIMA CENTAURI, TRITON, and WOLF 359. Stellar flux calibrations are included,
                along with high phase angle imaging of Saturn, cosmic background images, and
                dust observations.

                The dataset covers the approach and departure field around ASTEROID 486958
                Arrokoth (2014 MU69), as well as the actual encounter of Arrokoth. Empty
                sky images are also included.
            </description>
        </Citation_Information>
        <Modification_History>
            <Modification_Detail>
                <modification_date>2026-03-06</modification_date>
                <version_id>2.0</version_id>
                <description>Updated by New Horizons SOC for K7 delivery.</description>
            </Modification_Detail>
            <Modification_Detail>
                <modification_date>2025-07-07</modification_date>
                <version_id>1.0</version_id>
                <description>
                    (SBN: T. Barnes) Corrected some of the known product label issues before archiving including:
                    (1) author from S.A. Stern to H. Weaver (collection product only)
                    (2) typo in xml labels referencing invalid schema and schematron
                    (3) target type from "Calibrator" to "Calibration Field"
                    (4) context object names corrected to be character for character match with registered values
                </description>
            </Modification_Detail>
            <Modification_Detail>
                <modification_date>2024-06-26</modification_date>
                <version_id>1.0</version_id>
                <description>
                    Migrated from PDS3. New labels were written to the PDS4 standard, with metadata
                    incorporated into a New Horizons mission dictionary. The data are unchanged.
                    The values of some PDS4 geometry attributes that also appear in the FITS headers
                    have been recalculated using a newer SPICE kernel. (B. Hirsch)
                </description>
            </Modification_Detail>
        </Modification_History>
    </Identification_Area>
    <Context_Area>
        <Time_Coordinates>
            <start_date_time>2018-08-16T00:00:00.025Z</start_date_time>
            <stop_date_time>2021-09-30T19:13:06.117Z</stop_date_time>
        </Time_Coordinates>
        <Primary_Result_Summary>
            <purpose>Science</purpose>
            <processing_level>Raw</processing_level>
        </Primary_Result_Summary>
        <Investigation_Area>
            <name>New Horizons Kuiper Belt Extended Mission</name>
            <type>Mission</type>
            <Internal_Reference>
                <lid_reference>urn:nasa:pds:context:investigation:mission.new_horizons_kem1</lid_reference>
                <reference_type>collection_to_investigation</reference_type>
            </Internal_Reference>
        </Investigation_Area>
        <Observing_System>
            <Observing_System_Component>
                <name>New Horizons Spacecraft</name>
                <type>Host</type>
                <description>The New Horizons spacecraft observatory includes propulsion, navigation, and communications systems, plus the payload. The spacecraft is roughly 2.5 meters across and its mass is 465 kg including propellant. Design features include 64 Gbits of redundant solid-state data storage, a 290 m/s propulsion budget, and the capability to transmit data from 32 AU at almost 1 kilobit/second.</description>
                <Internal_Reference>
                    <lid_reference>urn:nasa:pds:context:instrument_host:spacecraft.nh</lid_reference>
                    <reference_type>is_instrument_host</reference_type>
                </Internal_Reference>
            </Observing_System_Component>
            <Observing_System_Component>
                <name>LOng Range Reconnaissance Imager</name>
                <type>Instrument</type>
                <description>LORRI is a narrow angle (field of view=0.29 deg), high resolution (instantaneous field of view = 4.94 urad), Ritchey-Chretien telescope with a 20.8 cm diameter primary mirror, a focal length of 263 cm, and a three lens field-flattening assembly. A 1024 x 1024 pixel (optically active region), back-thinned, backside-illuminated charge-coupled device (CCD) detector (model CCD 47-20 from E2V Technologies) is located at the telescope focal plane and is operated in standard frame-transfer mode.</description>
                <Internal_Reference>
                    <lid_reference>urn:nasa:pds:context:instrument:nh.lorri</lid_reference>
                    <reference_type>is_instrument</reference_type>
                </Internal_Reference>
            </Observing_System_Component>
        </Observing_System>
        <Target_Identification>
            <name>(486958) Arrokoth</name>
            <type>Trans-Neptunian Object</type>
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                <lid_reference>urn:nasa:pds:context:target:trans-neptunian_object.486958_2014_mu69</lid_reference>
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            </Internal_Reference>
        </Target_Identification>
    </Context_Area>
    <Reference_List>
       <Internal_Reference>
            <lid_reference>urn:nasa:pds:context:resource:resource.nh_lorri_colxn_kem1_raw_online</lid_reference>
            <reference_type>has_resource</reference_type>
        </Internal_Reference>
        <Internal_Reference>
            <lid_reference>urn:nasa:pds:context:resource:resource.nh_lorri_online</lid_reference>
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        </Internal_Reference>
        <Internal_Reference>
            <lidvid_reference>urn:nasa:pds:nh_lorri:kem1_raw:overview::2.0</lidvid_reference>
            <reference_type>collection_to_document</reference_type>
            <comment>LORRI KEM1 Raw Collection Overview</comment>
        </Internal_Reference>
        <Internal_Reference>
            <lid_reference>urn:nasa:pds:nh_lorri:kem1_cal</lid_reference>
            <reference_type>collection_to_data</reference_type>
            <comment>LORRI KEM1 Cal Data Collection</comment>
        </Internal_Reference>
        <Internal_Reference>
            <lid_reference>urn:nasa:pds:nh_lorri:calibration_files</lid_reference>
            <reference_type>collection_to_calibration</reference_type>
            <comment>LORRI Calibration Files Collection</comment>
        </Internal_Reference>
        <Internal_Reference>
            <lid_reference>urn:nasa:pds:nh_documents:mission</lid_reference>
            <reference_type>collection_to_document</reference_type>
            <comment>Document collection for the New Horizons mission.</comment>
        </Internal_Reference>
        <Internal_Reference>
            <lid_reference>urn:nasa:pds:nh_documents:lorri</lid_reference>
            <reference_type>collection_to_document</reference_type>
            <comment>Document collection for the LORRI instrument.</comment>
        </Internal_Reference>
        <Internal_Reference>
            <lid_reference>urn:nasa:pds:nh_documents:mission:nhkem1_mission_overview</lid_reference>
            <reference_type>collection_to_document</reference_type>
        </Internal_Reference>
        <Internal_Reference>
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        </Internal_Reference>
    </Reference_List>
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        <collection_type>Data</collection_type>
    </Collection>
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