<?xml version="1.0" encoding="UTF-8"?>
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    xmlns="http://pds.nasa.gov/pds4/pds/v1"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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    <Identification_Area>
        <logical_identifier>urn:nasa:pds:context:telescope:ctio-cerro_tololo.soar_4m1</logical_identifier>
        <version_id>1.1</version_id>
        <title>SOAR</title>
        <information_model_version>1.19.0.0</information_model_version>
        <product_class>Product_Context</product_class>
        <Alias_List>
            <Alias><alternate_title>urn:nasa:pds:context:telescope:ctio.soar4m1</alternate_title></Alias>  <!-- deprecated LID -->
        </Alias_List>
        <Modification_History>
            <Modification_Detail>
                <modification_date>2021-12-07</modification_date>
                <version_id>1.0</version_id>
                <description>per RMS, deprecated ctio in favor of ctio-cerro_tololo</description>
            </Modification_Detail>
            <Modification_Detail>
                <modification_date>2023-03-02</modification_date>
                <version_id>1.1</version_id>
                <description>added reference to soi</description>
            </Modification_Detail>
        </Modification_History>
    </Identification_Area>
    <Reference_List>
        <Internal_Reference>
            <lid_reference>urn:nasa:pds:context:facility:observatory.ctio-cerro_tololo</lid_reference>
            <reference_type>telescope_to_facility</reference_type>
        </Internal_Reference>
        <Internal_Reference>
            <lid_reference>urn:nasa:pds:context:instrument:ctio-cerro_tololo.soar_4m1.ghts</lid_reference>
            <reference_type>telescope_to_instrument</reference_type>
        </Internal_Reference>
        <Internal_Reference>
            <lid_reference>urn:nasa:pds:context:instrument:ctio-cerro_tololo.soar_4m1.soi</lid_reference>
            <reference_type>telescope_to_instrument</reference_type>
        </Internal_Reference>
    </Reference_List>
    <Telescope>
        <aperture unit="m">4</aperture>
        <telescope_longitude unit="deg">289.266389</telescope_longitude>
        <telescope_latitude unit="deg">-30.238056</telescope_latitude>
        <telescope_altitude unit="m">2700</telescope_altitude>
        <coordinate_source>Astronomical</coordinate_source>
        <description>The Southern Astrophysical Research (SOAR) Telescope is a 4.1 meter aperture
telescope designed to produce the best quality images of any observatory in its
class, across a several arcmin field of view. It can work from 320 nm to the near
infrared, and features fast slewing and a suite of optical and infrared instruments
mounted and ready for use. It is situated on Cerro Pachón - IV Región - Chile, at
2,700 meters (8,775 feet) above sea level.</description>
    </Telescope>
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