AstroTime-Analysis Modeling and analysis on astronomical time scales Structure IERS The folder contains the downloaded data from IERS. Basically the files from bulletin A, B, C, and D are downloaded. References https://www.iers.org/IERS/EN/Publications/Bulletins/bulletins.html https://webspace.science.uu.nl/~gent0113/deltat/deltat_modern.htm https://maia.usno.navy.mil/products/daily.htm