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    <a href="/index.html" class="mdl-button mdl-button--raised mdl-button--primary">
      &crarr; Back
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    <h1 style="text-align: center">H-ESC - Heliopropa product</h1>

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      <div class="mdl-cell mdl-cell--12-col mdl-cell--12-col-tablet mdl-cell--12-col-phone">
        <h4>
          The CDPP Heliopropa product gives access to an heliospheric propagator for
          solar wind prediction at various targets in the Solar System  based on a
          1D magnetohydrodynamic propagation model originally developed by Tao et al.
          (2005, doi:10.1029/2004JA010959).
        </h4>

        <p>
          The product gives access to various solar wind parameters (dynamic pressure,
          velocity, tangential magnetic field, temperature and solar wind density) based
          on propagation of in-situ measurements from other solar sytem locations (currently
          Sun-Earth L1). The angles between the targets, Sun and Earth are also provided
          and are a useful indicator of accuracy which may be degraded away from the Sun-Earth line.
          For target-Sun-Earth angles away from the Sun-Earth line please be aware that non
          co-rotating features such as CMEs, either at the source or target, will mean that the resultant
          model output is not representative of the target environment.
          The currently the solar system target locations supported by the tool are all of the
          solar system planets. A shorter time interval can be selected by dragging the mouse
          in one of the time series plots. To return to the default period double click in a
          time series panel.
        </p>
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        <h4>Layout</h4>
        <p>
        The default layout is shown in the figure below and displays the dynamic pressure parameter
        for the planets from Mercury out to Saturn.</p>
        <center><img width=90% border=1 src="static/img/hp_default.png" /></center>
      </div>

      <div class="mdl-cell mdl-cell--6-col mdl-cell--6-col-tablet mdl-cell--12-col-phone">
        <h4>Instructions</h4>
        <p>Moving the cursor over the time series plots on the right side of the display
        will show the time and value of the parameters in pop-up bubbles and the locations
        of the planets in the solar system display in the top left will be updated to show
        their positions at the corresponding times.</p>
        <p>The <img height=18 src="static/img/zoom_in.png" /> and <img height=18 src="static/img/zoom_out.png" /> buttons below the solar system plot will show either
        just an inner solar system view or the entire solar system (to the furtherst planet selected)
        respectively.</p>
        <p>The <img height=18 src="static/img/download.png" /> button will return a CDF format file containing the data for all selected targets.</p>
        <p>In the top left of the display is a menu icon. Selecting this will slide open the options menu.
        From here:
          <ul>
            <li>The default time interval can be changed (data will need to be recalculated which may
            take some time, please be patient)</li>
            <li>The target planets to be displayed can be selected. Click on the corresponding planet
            item to toggle on/off.</li>
            <li>The parameters to be displayed for each target can be displayed. Click on the corresponding
            parameter to toggle on/off its inclusion in the time series panels.</li>
          </ul>
        Click in the main display to close the options menu.
        </p>
      </div>

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        <h4>Credits</h4>
        <p>
          The Heliopropa product has been developed by CDPP with support from the Europlanet 2020
          Research Infrastructure project through its Planetary Space Weather Services activities
          funded from the European Union's Horizon 2020 research and innovation programme under
          grant agreement Number 654208.
        </p>
{#        <center>#}
{#          <img style="width: 42px; height: 42px;" alt="cnrs" src="static/img/logo/logo_cnrs.png">#}
{#          <img style="width: 42px; height: 40px;" alt="cnes" src="static/img/logo/logo_cnes.png">#}
{#          <img style="width: 156px; height: 53px;" alt="ups" src="static/img/logo/logo_ups.png">#}
{#          <img style="width: 160px; height: 38px;" alt="europlanet" src="static/img/logo/logo_europlanet.png">#}
{#        </center>#}

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{#        <h2><i class="fas fa-balance-scale"></i> Fair Use</h2>#}
{#        <p>#}
{#          You may use this service as any public domain service.<br />#}
{#          We provide no warranty of any kind.<br />#}
{#          The source code is available for you to inspect and fork.<br />#}
{#          If you use this service, please cite it and let us know.#}
{#        </p>#}
{#      </div>#}
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