Due to an equipment upgrade on RENATER network, all CDS services hosted at Strasbourg (Simbad main data base, VizieR main data base Aladin image server, Web sites, ...) will be unreachable during 30 minutes on Monday 30 May 2016 sometime between 6 and 8am local time (between 4 and 6am GMT).

We apologize for any inconvenience. Users wishing to access CDS services during the outage are suggested to use our mirrors.