The University of Strasbourg is reorganizing its computer network. Consequently, all CDS services in Strasbourg (Simbad, VizieR, Aladin, etc.) will be inaccessible on Oct 12 from 10 p.m. to midnight, and from Oct 14 from 10 p.m. to Oct 15 at 4 a.m. (UTC + 1). All the CDS mirror sites will remain accessible, in particular simbad.harvard.edu and vizier.cfa.harvard.edu, vizier.iucaa.in, ... We apologize for any inconvenience.