Jean-Marie Mariotti Center

We apologize for the service outage during the transfert of the JMMC domain name (DNS) between wednesday and thursdayi, October 7-8th. Please report your problems so we can focus and prioritize reliability improvements.

Welcome to the JMMC

The JMMC is the French Center for Infrared and Optical Interferometry. It provides support for the users of the astronomical interferometers currently in operation around the world.