The Demographics of Exoplanets. (arXiv:2011.04703v2 [astro-ph.EP] UPDATED)

The Demographics of Exoplanets. (arXiv:2011.04703v2 [astro-ph.EP] UPDATED)
<a href="http://arxiv.org/find/astro-ph/1/au:+Gaudi_B/0/1/0/all/0/1">B. Scott Gaudi</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Christiansen_J/0/1/0/all/0/1">Jessie L. Christiansen</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Meyer_M/0/1/0/all/0/1">Michael R. Meyer</a>

In the broadest sense, the primary goal of exoplanet demographic surveys is
to determine the frequency and distribution of planets as a function of as many
of the physical parameters that may influence planet formation and evolution as
possible, over as broad of a range of these parameters as possible.
Empirically-determined exoplanet demographics provide the ground truth that all
planet formation and evolution theories must reproduce. By comparing these
planet distributions to the predictions of planet formation theories, we can
begin to both test and refine these theories. In this chapter, we review the
major results on exoplanet demographics to date. In this context, we identify a
set of important open questions that remain to be answered. We outline the
challenges of measuring the demographics of exoplanets using the variety of
detection methods at our disposal. Finally, we summarize some of the future
opportunities for refining and expanding our understanding of exoplanet
demographics.

In the broadest sense, the primary goal of exoplanet demographic surveys is
to determine the frequency and distribution of planets as a function of as many
of the physical parameters that may influence planet formation and evolution as
possible, over as broad of a range of these parameters as possible.
Empirically-determined exoplanet demographics provide the ground truth that all
planet formation and evolution theories must reproduce. By comparing these
planet distributions to the predictions of planet formation theories, we can
begin to both test and refine these theories. In this chapter, we review the
major results on exoplanet demographics to date. In this context, we identify a
set of important open questions that remain to be answered. We outline the
challenges of measuring the demographics of exoplanets using the variety of
detection methods at our disposal. Finally, we summarize some of the future
opportunities for refining and expanding our understanding of exoplanet
demographics.

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