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Iron Abundance and the Formation of Terrestrial Exoplanets

Iron Abundance and the Formation of Terrestrial Exoplanets

by Ali Crisp | Jan 20, 2022 | Daily Paper Summaries

There are still a lot of unknowns when it comes to extrasolar planet formation. Today’s authors take a look at a group of known terrestrial exoplanets to see if they can find a correlation between the planets’ compositions and the chemical abundances of their host stars.

Ecology to Astrobiology: Modeling the Habitability of Other Worlds

Ecology to Astrobiology: Modeling the Habitability of Other Worlds

by Ali Crisp | Oct 16, 2021 | Daily Paper Summaries

The field of ecology already has standardized models for determining a region’s habitability. How can astrobiologists use these models to determine habitability beyond Earth?

In-“creasing” Exomoon  Candidates Through Folding

In-“creasing” Exomoon Candidates Through Folding

by Ali Crisp | Sep 9, 2021 | Daily Paper Summaries

Lightcurve folding is frequently used to make signals in the data clearer. Today’s author describes a novel way to use the folding method to pick out exomoon signals from exoplanet transit lightcurves.

A Star Askew: A Potential Cause of the Misalignment of a Star and Its Planets

A Star Askew: A Potential Cause of the Misalignment of a Star and Its Planets

by Ali Crisp | Apr 13, 2021 | Daily Paper Summaries

When the rotation of a star is misaligned from the orbits of its planets, astronomers often attribute the misalignment to planetary dynamics. In the case of K2-290 A, today’s authors instead attribute its misalignment to its stellar companion.

Mind the Gap! Investigating a Potential Cause of the Exoplanet Radius Valley

Mind the Gap! Investigating a Potential Cause of the Exoplanet Radius Valley

by Ali Crisp | Dec 30, 2020 | Daily Paper Summaries

There is a low occurrence rate of exoplanets between 1.5 and 2.0 Earth radii. Today’s authors explore the density of the stellar field the planet resides in as a potential contributor to this gap.

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