<?xml version="1.0" encoding="UTF-8"?>
<?xml-model href="https://pds.nasa.gov/pds4/pds/v1/PDS4_PDS_1G00.sch"
schematypens="http://purl.oclc.org/dsdl/schematron"?>
<?xml-model href="https://pds.nasa.gov/pds4/particle/v2/PDS4_PARTICLE_1G00_2010.sch" 
schematypens="http://purl.oclc.org/dsdl/schematron"?>
<Product_Observational xmlns="http://pds.nasa.gov/pds4/pds/v1"
    xmlns:particle="http://pds.nasa.gov/pds4/particle/v2"
    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_1G00.xsd
                        http://pds.nasa.gov/pds4/particle/v2
                        https://pds.nasa.gov/pds4/particle/v2/PDS4_PARTICLE_1G00_2010.xsd">
    <Identification_Area>
        <logical_identifier>urn:nasa:pds:vex-aspera4-els:data_derived:elslrthr_20121011627</logical_identifier>
        <version_id>1.0</version_id>
        <title>VEX ELS Low Energy Range 1-count Threshold 2012-04-10 16:27</title>
        <information_model_version>1.16.0.0</information_model_version>
        <product_class>Product_Observational</product_class>
        <Citation_Information>
            <publication_year>2021</publication_year>
            <description>
                The product contains ELS Low energy Range 1-count THReshold (ELSLRTHR) for each ELS anode (sector).
            </description>
        </Citation_Information>
        <Modification_History>
            <Modification_Detail>
                <modification_date>2021-08-18</modification_date>
                <version_id>1.0</version_id>
                <description>Initial version</description>
            </Modification_Detail>
        </Modification_History>
    </Identification_Area>
    <Observation_Area>
        <Time_Coordinates>
            <start_date_time>2012-04-10T16:27:38.198Z</start_date_time>
            <stop_date_time>2012-04-10T18:30:48.318Z</stop_date_time>
        </Time_Coordinates>
        <Primary_Result_Summary>
            <purpose>Science</purpose>
            <processing_level>Derived</processing_level>
            <Science_Facets>
                <discipline_name>Particles</discipline_name>
                <facet1>Electrons</facet1>
                <facet2>Energetic</facet2>
            </Science_Facets>
        </Primary_Result_Summary>
        <Investigation_Area>
            <name>Venus_Express</name>
            <type>Mission</type>
            <Internal_Reference>
                <lid_reference>urn:esa:psa:context:investigation:mission.venus_express</lid_reference>
                <reference_type>data_to_investigation</reference_type>
            </Internal_Reference>
        </Investigation_Area>
        <Observing_System>
            <Observing_System_Component>
                <name>VEX</name>
                <type>Host</type>
                <Internal_Reference>
                    <lid_reference>urn:esa:psa:context:instrument_host:spacecraft.vex</lid_reference>
                    <reference_type>is_instrument_host</reference_type>
                </Internal_Reference>
            </Observing_System_Component>
            <Observing_System_Component>
                <name>ASPERA4-ELS</name>
                <type>Instrument</type>
                <Internal_Reference>
                    <lid_reference>urn:esa:psa:context:instrument:vex.aspera4-els</lid_reference>
                    <reference_type>is_instrument</reference_type>
                </Internal_Reference>
            </Observing_System_Component>
        </Observing_System>
        <Target_Identification>
            <name>Venus</name>
            <type>Planet</type>
            <Internal_Reference>
                <lid_reference>urn:nasa:pds:context:target:planet.venus</lid_reference>
                <reference_type>data_to_target</reference_type>
            </Internal_Reference>
        </Target_Identification>
        <Mission_Area>
            
        </Mission_Area>
        <Discipline_Area>
            <particle:Particle_Observation>
                <particle:energy_range_minimum unit="keV">.01</particle:energy_range_minimum>
                <particle:energy_range_maximum unit="keV">20</particle:energy_range_maximum>
                <particle:Particle_Parameter>
                    <particle:particle_type>Electrons</particle:particle_type>
                    <particle:particle_measurement_type>Flux</particle:particle_measurement_type>
                </particle:Particle_Parameter>
            </particle:Particle_Observation>
        </Discipline_Area>
    </Observation_Area>
    <File_Area_Observational>
        <File>
            <file_name>ELSLRTHR_20121011627_V1.0.CSV</file_name>
            <creation_date_time>2021-08-18T15:36</creation_date_time>
            <records>25760</records>
            <md5_checksum>47afc2749288485c4af6c9f87e2ac40c</md5_checksum>
            <comment>
                This table contains ELS Low energy Range 1-count THReshold (ELSLRTHR) for each anode (sector).
            </comment>
        </File>
        <Table_Delimited>
            <offset unit="byte">0</offset>
            <parsing_standard_id>PDS DSV 1</parsing_standard_id>
            <records>25760</records>
            <record_delimiter>Carriage-Return Line-Feed</record_delimiter>
            <field_delimiter>Comma</field_delimiter>
            <Record_Delimited>
                <fields>5</fields>
                <groups>1</groups>
                <Field_Delimited>
                    <name>Start Time</name>
                    <field_number>1</field_number>
                    <data_type>ASCII_Date_Time_DOY</data_type>
                    <maximum_field_length unit="byte">21</maximum_field_length>
                    <description>The START TIME field specifies the start time of the data sample(s)
                                 being returned in the current row.  The Start Time and Stop Time
                                 fields define the time range covered by the data in the current row.
                                 Format is YYYY-DDDTHH:MM:SS.mmm, in UTC
                    </description>
                </Field_Delimited>
                <Field_Delimited>
                    <name>Stop Time</name>
                    <field_number>2</field_number>
                    <data_type>ASCII_Date_Time_DOY</data_type>
                    <maximum_field_length unit="byte">21</maximum_field_length>
                    <description>The STOP TIME field specifies the stop time of the data sample(s)
                                 being returned in the current row.  The Start Time and Stop Time
                                 fields define the time range covered by the data in the current row.
                                 Format is YYYY-DDDTHH:MM:SS.mmm, in UTC
                    </description>
                </Field_Delimited>
                <Field_Delimited>
                    <name>Data Type Name</name>
                    <field_number>3</field_number>
                    <data_type>ASCII_String</data_type>
                    <maximum_field_length unit="byte">14</maximum_field_length>
                    <field_format>%-14s</field_format>
                    <description>The DATA TYPE NAME field identifies the type of the data sample(s)  
                                 being returned in the current row.  Valid entries include:
                                       SENSOR          - primary data
                    </description>
                </Field_Delimited>
                <Field_Delimited>
                    <name>Data Name</name>
                    <field_number>4</field_number>
                    <data_type>ASCII_String</data_type>
                    <maximum_field_length unit="byte">50</maximum_field_length>
                    <field_format>%-50s</field_format>
                    <description>The DATA NAME field identifies the name of the primary data associated with the data values
                                 being returned in the current row
                    </description>
                </Field_Delimited>
                <Field_Delimited>
                    <name>Data Unit</name>
                    <field_number>5</field_number>
                    <data_type>ASCII_String</data_type>
                    <maximum_field_length unit="byte">50</maximum_field_length>
                    <field_format>%-50s</field_format>
                    <description>The DATA UNIT field identifies the units that the data values are
                                 expressed in for the current row
                    </description>
                </Field_Delimited>
                <Group_Field_Delimited>
                    <repetitions>67</repetitions>
                    <fields>1</fields>
                    <groups>0</groups>
                    <Field_Delimited>
                        <name>Differential Number Flux</name>
                        <field_number>6</field_number>
                        <data_type>ASCII_Real</data_type>
                        <field_format>%11.5e</field_format>
                        <description>This field contains ELS low energy range 1-count 
                                     threshold differential number flux for the detector sector 
                                     listed in field #4. There are 60 values provided for this 
                                     time interval given in decreasing energy order.
                        </description>
                    </Field_Delimited>
                </Group_Field_Delimited>
            </Record_Delimited>
        </Table_Delimited>
    </File_Area_Observational>
</Product_Observational>
