October 6, 2021 Presentation Open Access

Müller, Simon; Helled, Ravit

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    <subfield code="a">planets and satellites: composition</subfield>
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    <subfield code="a">Müller, Simon</subfield>
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    <subfield code="a">Synthetic Evolution Tracks of Giant Planets</subfield>
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    <subfield code="a">Planetary Modeling: from origin to current-state structure</subfield>
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    <subfield code="a">&lt;p&gt;Giant planet evolution models play a crucial role in interpreting observations and constraining formation pathways. However, the simulations can be slow or prohibitively difficult.&lt;br&gt;
&lt;br&gt;
To address this issue, we calculate a large suite of giant planet evolution models using a state-of-the-art planetary evolution code. Using these data, we create the python program &lt;em&gt;planetsynth&lt;/em&gt; that generates synthetic coolingtracks by interpolation. Given the planetary mass, bulk &amp;amp; atmospheric metallicity, and incident stellar irradiation, the program calculates how the planetary radius, luminosity, effective temperature, and surface gravity evolve with time.&lt;br&gt;
&lt;br&gt;
We demonstrate the capabilities of our models by&amp;nbsp;estimating the metallicities from mass-radius measurements and by showing how atmospheric measurements can further constrain the planetary bulk composition. We also estimate the mass and metallicity of the young giant planet 51 Eri b from its observed luminosity.&lt;br&gt;
&lt;br&gt;
Synthetic evolution tracks have many applications, and we suggest that they are valuable for both theoretical and observational investigations into the nature of giant planets.&lt;/p&gt;</subfield>
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