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    xmlns:pds="http://pds.nasa.gov/pds4/pds/v1"                                                                           
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        <version_id>1.0</version_id>
        <title>Hapke Model Parameters for LMS-1 Phase Curve</title>
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        <product_class>Product_Observational</product_class>
        <Modification_History>
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            <stop_date_time>2021-09-15T00:00:00Z</stop_date_time>
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            <name>Lunar Simulants JSC-1A and LMS-1 Far-ultraviolet Reflectance</name>
            <type>Individual Investigation</type>
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            <name>LMS-1</name>
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            <lid_reference>urn:nasa:pds:lunar_simulants_fuv_reflectance_gimar_22:document:gimar_et_al_2022_preprint</lid_reference>
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            <doi>10.1029/2022JE007508</doi>
            <reference_text>Gimar, C. J., Raut, U., Poston, M. J., Stevanovic, A., Protopapa, S., Greathouse, T. K., et al. (2022).
                Far-ultraviolet photometric characteristics of JSC-1A and LMS-1 lunar regolith simulants: Comparative investigations 
                with Apollo 10084. Journal of Geophysical Research: Planets, 127, e2022JE007508. 
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            <name>Hapke Model Parameters for LMS-1 Phase Curve</name>
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            <field_delimiter>Comma</field_delimiter>                                
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                <groups>0</groups>

                <Field_Delimited>
                    <name>Wavelength</name>
                    <field_number>1</field_number>
                    <data_type>ASCII_Real</data_type>
                    <unit>nm</unit>
                    <description>
                        The wavelength of the incident light in nanometers.
                    </description>
                </Field_Delimited>
                
                <Field_Delimited>
                    <name>Single Scattering Albedo w</name>
                    <field_number>2</field_number>
                    <data_type>ASCII_Real</data_type>
                    <description>
                        The single scattering albedo derived from the Hapke photometric model fit.
                    </description>
                </Field_Delimited>

                <Field_Delimited>
                    <name>Negative Error w</name>
                    <field_number>3</field_number>
                    <data_type>ASCII_Real</data_type>
                    <description>The error of the fit for single scattering albedo in the negative direction.</description>
                </Field_Delimited>
                
                <Field_Delimited>
                    <name>Positive Error w</name>
                    <field_number>4</field_number>
                    <data_type>ASCII_Real</data_type>
                    <description>The error of the fit for single scattering albedo in the positive direction.</description>
                </Field_Delimited>
                
                <Field_Delimited>
                    <name>HG b Parameter</name>
                    <field_number>5</field_number>
                    <data_type>ASCII_Real</data_type>
                    <description>A unitless parameter of the Henyey-Greenstein (HG) single scattering phase function used in 
                        the Hapke model, controlling the width of this function's plotted curve.</description>
                </Field_Delimited>
                
                <Field_Delimited>
                    <name>Negative Error b</name>
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                    <data_type>ASCII_Real</data_type>
                    <description>The error of the fit for the HG b parameter in the negative direction.</description>
                </Field_Delimited>
                
                <Field_Delimited>
                    <name>Positive Error b</name>
                    <field_number>7</field_number>
                    <data_type>ASCII_Real</data_type>
                    <description>The error of the fit for the HG b parameter in the positive direction.</description>
                </Field_Delimited>
                
                <Field_Delimited>
                    <name>HG c Parameter</name>
                    <field_number>8</field_number>
                    <data_type>ASCII_Real</data_type>
                    <description>A second unitless parameter of the Henyey-Greenstein (HG) single scattering phase function, 
                        controlling the asymmetry of the function.</description>
                </Field_Delimited>
                
                <Field_Delimited>
                    <name>Negative Error c</name>
                    <field_number>9</field_number>
                    <data_type>ASCII_Real</data_type>
                    <description>The error of the fit for the HG c parameter in the negative direction.</description>
                </Field_Delimited>
                
                <Field_Delimited>
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                    <data_type>ASCII_Real</data_type>
                    <description>The error of the fit for the HG c parameter in the positive direction.</description>
                </Field_Delimited>
                
                <Field_Delimited>
                    <name>R^2</name>
                    <field_number>11</field_number>
                    <data_type>ASCII_Real</data_type>
                    <description>The coefficient of determination for the fitted Hapke model curve.</description>
                </Field_Delimited>
                
                <Field_Delimited>
                    <name>RMSE</name>
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                    <data_type>ASCII_Real</data_type>
                    <description>The root mean squared error between the data and the Hapke model curve.</description>
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