Proxima Centauri b Atmospheric Escape

Overview

Loss of a hydrogen envelope, surface water and build-up oxygen due to stellar+flares XUV stripping.

Date	11/22/21
Author	Laura Amaral
Modules	AtmEsc FLARE STELLAR
Approx. runtime	23 seconds

This example shows the evolution of the planetary parameters of Proxima Centauri b, comparing when the planet is reached by flares with a constant FFD, a FFD time-dependent and when only the quiescent XUV luminosity is consider.

To run this example

Note

You might need to install tqdm:

pip install tqdm

python makeplot.py <pdf | png>

Expected output

Surface water content (top left), envelope mass (top center left), planetary radius (top center right) quiescent+flares XUV luminosity and bolometric luminosity ratio (top right), oxygen content in the atmosphere (bottom left), habitable zone location (bottom center), envelope loss rate (bottom center right) and XUV flux (bottom right).