Welcome to ExoFOP

The Exoplanet Follow-up Observing Program (ExoFOP) website is designed to optimize resources and facilitate collaboration in follow-up studies of exoplanet candidates. ExoFOP serves as a repository for community-gathered follow-up data by allowing upload and display of data and derived astrophysical parameters.


7,557 stars
2,317 confirmed planets


208,579 targets
122 confirmed planets

K2 Campaign 9

Microlensing survey
627 events

Questions? Contact us at cfop@ipac.caltech.edu.