Welcome to the XMM-Newton Helpdesk
Due to scheduled maintenance, some services offered in
the XMM-Newton SOC web site
(including the Target of Opportunity alert)
will be unavailable,
from 07:00 until 09:00 (UT) on Tuesday 5th May 2015.
The XMM-Newton SOC website has been relocated.
It may be accessed via the url: http://xmm.esac.esa.int/
The XMM-Newton Helpdesk can now be accessed from: