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XMM-Newton Guest Observer Facility

XMM-Newton is (over) 20 years old!

In October 2019, we celebrated the milestone anniversary of XMM-Newton (XMM), which was launched 1999 December 10 from Kourou, French Guiana. The agenda and presentations have been posted online. Worldwide interest in the mission remains high, while continued improvements in observation flexibility, software, and calibration provide steady support for guest observers:

  • XMM data have been used in over 5,900 refereed papers.
  • Recent science highlights include: studies of the missing baryons in the Universe, the X-ray chimney connecting the galactic center to the Fermi bubbles, detecting relativistic reverberation and QPOs in tidal disruption events, and discovering a new ULX pulsar class.
  • XMM's source catalogs are growing in value as deeper, wide-field multiwavelength surveys become available.
  • Large serendipitous and slew catalogs are increasingly robust.
  • More than 5,000 scientists have used XMM.
  • XMM has detected over a half million X-ray sources.

Anniversary Video: Scientists who received their PhDs using XMM-Newton discuss X-ray astronomy, their inspiration, and ways that XMM-Newton has impacted their careers.

Latest News - Rev. 3731
  • XMM-Newton Stacked Serendipitous Source Catalogue: 4XMM-DR12s Released (28 Jul 2022)
    12th release of the 4XMM stacked catalogue
  • XMM-Newton AO-21 Results Released (9 Dec 2021)
    The list of XMM-Newton observing proposals accepted by the AO-21 Observing Time Allocation Committee is now available.
  • XMM-Newton AO-21 Solicitation Released (17 Aug 2021)
    XMM-Newton observing proposals are solicited in response to the Twenty-first Announcement of Opportunity.
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    If you have any questions concerning XMM-Newton send e-mail to xmmhelp@lists.nasa.gov