The paper contains links to the raw data, descriptions of the data transformations they did, and links to some github projects, but it's all way over my head :)

The paper contains links to the raw data, descriptions of the data transformations they did, and links to some github projects, but it's all way over my head :) https://www.aanda.org/articles/aa/pdf/forth/aa49198-24.pdf https://www.aanda.org/articles/aa/pdf/forth/aa49198-24.pdf