<?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"?>
<?xml-model href="https://pds.nasa.gov/pds4/mission/vikinglander/v1/PDS4_VIKINGLANDER_1L00_1000.sch"  schematypens="http://purl.oclc.org/dsdl/schematron"?>

<Product_Ancillary xmlns="http://pds.nasa.gov/pds4/pds/v1" 
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
  xmlns:vikinglander="http://pds.nasa.gov/pds4/mission/vikinglander/v1"
  xsi:schemaLocation="http://pds.nasa.gov/pds4/pds/v1 https://pds.nasa.gov/pds4/pds/v1/PDS4_PDS_1L00.xsd
  http://pds.nasa.gov/pds4/mission/vikinglander/v1 https://pds.nasa.gov/pds4/mission/vikinglander/v1/PDS4_VIKINGLANDER_1L00_1000.xsd">
  <Identification_Area>
    <logical_identifier>urn:nasa:pds:vl_image_raw:calib:filter12</logical_identifier>
    <version_id>1.0</version_id>
    <title>Viking Lander Calibration File: filter12</title>
    <information_model_version>1.21.0.0</information_model_version>
    <product_class>Product_Ancillary</product_class>
    <Modification_History>
      <Modification_Detail>
        <modification_date>2024-05-13</modification_date>
        <version_id>1.0</version_id>
        <description>Initial version.</description>
      </Modification_Detail>
    </Modification_History>
  </Identification_Area>
  <Context_Area>
    <Time_Coordinates>
      <start_date_time>1976-07-20Z</start_date_time>
      <stop_date_time>1982-11-05Z</stop_date_time>
    </Time_Coordinates>
    <Investigation_Area>
      <name>Viking</name>
      <type>Mission</type>
      <Internal_Reference>
        <lid_reference>urn:nasa:pds:context:investigation:mission.viking</lid_reference>
        <reference_type>ancillary_to_investigation</reference_type>
      </Internal_Reference>
    </Investigation_Area>
    <Observing_System>
      <Observing_System_Component>
        <name>Viking Lander 1</name>
        <type>Host</type>
        <Internal_Reference>
          <lid_reference>urn:nasa:pds:context:instrument_host:spacecraft.vl1</lid_reference>
          <reference_type>is_instrument_host</reference_type>
        </Internal_Reference>
      </Observing_System_Component>
      <Observing_System_Component>
        <name>Camera 2 for VL1</name>
        <type>Instrument</type>
        <Internal_Reference>
          <lid_reference>urn:nasa:pds:context:instrument:cam2.vl1</lid_reference>
          <reference_type>is_instrument</reference_type>
        </Internal_Reference>
      </Observing_System_Component>
    </Observing_System>
  </Context_Area>  
    <File_Area_Ancillary>
    <File>
      <file_name>filter12.tab</file_name>
      <creation_date_time>1997-07-01</creation_date_time>
    </File>
    <Table_Character>
      <offset unit="byte">0</offset>
      <records>29</records>
      <description>This table contains data on the filter 
        spectral responsivities for camera 2 on Viking Lander 1. The data 
        are taken from Huck et al., Radiometric Performance of the Viking 
        Mars Lander Cameras, NASA TM X-72692, 1975.</description>
      <record_delimiter>Carriage-Return Line-Feed</record_delimiter>
      <Record_Character>
        <fields>12</fields>
        <groups>0</groups>
        <record_length unit="byte">84</record_length>
        <Field_Character>
          <name>wavelength</name>
          <field_number>1</field_number>
          <field_location unit="byte">1</field_location>
          <data_type>ASCII_Real</data_type>
          <field_length unit="byte">5</field_length>
          <unit>micrometers</unit>
          <description>The center wavelength of the interval 
            over which the data were sampled. Data in this file were sampled 
            every 0.025 micrometers between 0.4 and 1.1 micrometers.</description>
        </Field_Character>
        <Field_Character>
          <name>bb1_responsivity</name>
          <field_number>2</field_number>
          <field_location unit="byte">7</field_location>
          <data_type>ASCII_Real</data_type>
          <field_length unit="byte">6</field_length>
          <unit>A/W</unit>
          <description>The responsivity function for the BB1 
            photodiode.</description>
        </Field_Character>
        <Field_Character>
          <name>bb2_responsivity</name>
          <field_number>3</field_number>
          <field_location unit="byte">14</field_location>
          <data_type>ASCII_Real</data_type>
          <field_length unit="byte">6</field_length>
          <unit>A/W</unit>
          <description>The responsivity function for the BB2 
            photodiode.</description>
        </Field_Character>
        <Field_Character>
          <name>bb3_responsivity</name>
          <field_number>4</field_number>
          <field_location unit="byte">21</field_location>
          <data_type>ASCII_Real</data_type>
          <field_length unit="byte">6</field_length>
          <unit>A/W</unit>
          <description>The responsivity function for the BB3 
            photodiode.</description>
        </Field_Character>
        <Field_Character>
          <name>bb4_responsivity</name>
          <field_number>5</field_number>
          <field_location unit="byte">28</field_location>
          <data_type>ASCII_Real</data_type>
          <field_length unit="byte">6</field_length>
          <unit>A/W</unit>
          <description>The responsivity function for the BB4
            photodiode.</description>
        </Field_Character>
        <Field_Character>
          <name>blue_responsivity</name>
          <field_number>6</field_number>
          <field_location unit="byte">35</field_location>
          <data_type>ASCII_Real</data_type>
          <field_length unit="byte">6</field_length>
          <unit>A/W</unit>
          <description>The responsivity function for the blue 
            photodiode.</description>
        </Field_Character>
        <Field_Character>
          <name>green_responsivity</name>
          <field_number>7</field_number>
          <field_location unit="byte">42</field_location>
          <data_type>ASCII_Real</data_type>
          <field_length unit="byte">6</field_length>
          <unit>A/W</unit>
          <description>The responsivity function for the green 
            photodiode.</description>
        </Field_Character>
        <Field_Character>
          <name>red_responsivity</name>
          <field_number>8</field_number>
          <field_location unit="byte">49</field_location>
          <data_type>ASCII_Real</data_type>
          <field_length unit="byte">6</field_length>
          <unit>A/W</unit>
          <description>The responsivity function for the red 
            photodiode.</description>
        </Field_Character>
        <Field_Character>
          <name>ir1_responsivity</name>
          <field_number>9</field_number>
          <field_location unit="byte">56</field_location>
          <data_type>ASCII_Real</data_type>
          <field_length unit="byte">6</field_length>
          <unit>A/W</unit>
          <description>The responsivity function for the IR1 
            photodiode.</description>
        </Field_Character>
        <Field_Character>
          <name>ir2_responsivity</name>
          <field_number>10</field_number>
          <field_location unit="byte">63</field_location>
          <data_type>ASCII_Real</data_type>
          <field_length unit="byte">6</field_length>
          <unit>A/W</unit>
          <description>The responsivity function for the IR2 
            photodiode.</description>
        </Field_Character>
        <Field_Character>
          <name>ir3_responsivity</name>
          <field_number>11</field_number>
          <field_location unit="byte">70</field_location>
          <data_type>ASCII_Real</data_type>
          <field_length unit="byte">6</field_length>
          <unit>A/W</unit>
          <description>The responsivity function for the IR3 
            photodiode.</description>
        </Field_Character>
        <Field_Character>
          <name>survey_responsivity</name>
          <field_number>12</field_number>
          <field_location unit="byte">77</field_location>
          <data_type>ASCII_Real</data_type>
          <field_length unit="byte">6</field_length>
          <unit>A/W</unit>
          <description>The responsivity function for the survey 
            photodiode.</description>
        </Field_Character>
      </Record_Character>
    </Table_Character>
  </File_Area_Ancillary>
  <File_Area_Ancillary>
    <File>
      <file_name>filter12.lbl</file_name>
    </File>
    <Stream_Text>
      <offset unit="byte">0</offset>
      <parsing_standard_id>PDS3</parsing_standard_id>
      <record_delimiter>Carriage-Return Line-Feed</record_delimiter>
    </Stream_Text>
  </File_Area_Ancillary>
</Product_Ancillary>
