The XMM-Newton HelpDesk


Welcome to the XMM-Newton Helpdesk

The XMM-Newton HelpDesk Web interface is undergoing a major revision in order to comply with ESA policy on Personal Data Protection.
Until a revised interface is available, HelpDesk requests can be submitted only via e-mail.

The XMM-Newton HelpDesk is staffed Mon-Fri, 09:00-17:00 GMT, except on public holidays.
Users should get a response within at most two working days.

Submitting a HelpDesk request

HelpDesk requests have to be submitted via e-mail, to

We advise users to make the (short) question the subject of the request.

Please send a separate request for each question. The message will receive a unique ID, by which it can be identified in the database.

Once the new interface is available, questions, and later their answers, will be by default visible to the public. To avoid this, the requests have to be marked as PRIVATE. To do so, enter "PRIVATE:" at the beginning of the subject line (e.g. "PRIVATE: Problems running emproc").

Help with SAS

If you encounter problems in analyzing XMM-Newton data with the SAS software please try to give as much information as needed to reproduce your problem, including the following details:

  • Operating system
  • Output of the sasversion command
  • Observation identifier

XMM-NEWS mailing list

Astronomers who wish to be kept up-to-date with the most important XMM-Newton related news can subscribe to the XMM-Newton Newsletter at