XMM-Newton AO-26 is Open
Effective 19 August 2026, XMM-Newton observing proposals are solicited in response to the Twenty-sixth Announcement of Opportunity, AO-26. Deadline for proposal submission is Friday 9 October 2026, at 12 noon UTC. The post XMM-Newton AO-26 is Open appeared first on NASA Science .
Effective 19 August 2026, XMM-Newton observing proposals are now being solicited for the Twenty-sixth Announcement of Opportunity (AO-26). The XMM-Newton Project has established joint programs with various observatories and missions, including the Very Large Telescope (VLT), National Radio Astronomy Observatory (NRAO), Hubble Space Telescope (HST), James Webb Space Telescope (JWST), High Energy Spectroscopic Space Telescope (HESS), MAGIC, as well as Chandra, IXPE, NuSTAR, Swift, and XRISM.
Participants in XMM-Newton AO-26 can potentially gain observation time on these partner facilities. ESA's Director of Science has extended an invitation to join the community program through a letter, available in electronic form as a PDF. The deadline for submitting proposals is Friday, 9 October 2026, at 12 noon UTC (8a Eastern, 5a Pacific).
Written by urgent.news from NASA Science's reporting — not their text. Machine-written — may contain errors; check the original before relying on it.
