Welcome to the XMM-Newton Helpdesk
Due to programmed maintenance, XMM-Newton web service, Science Archive and some SOC computing services may be unavailable from Friday, 24 May, 14:30 until Sunday, 26 May, 20:00 (GMT).
During this period no ToO requests can be processed.
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: