XMM-Newton Twenty-fourth Announcement of Opportunity (AO-24)
Anticipated Timeline


The Twenty-fourth Announcement of Opportunity (AO-24) is not yet open

The planned key milestones for the twenty-fourth XMM-Newton "Announcement of Opportunity" have been established. Within this AO-24 a new call to submit proposals for observations to be performed with the XMM-Newton observatory will be issued.

To be prepared for this, please find below the anticipated timeline:

The planned key milestones for AO-24 are:
  Announcement of Opportunity 20 August 2024
  Due date for Proposals 11 October 2024 (12:00 UT)
  Final OTAC approved programme mid December 2024
For approved proposals only:
  Start of Phase II proposal submission 8 January 2025
  Closure of Phase II proposal submission 31 January 2025
  Start of AO-24 observations May 2025

The official "Announcement of Opportunity" will be made public in the XMM-Newton News and on the XMM-Newton Science Operations Centre Home Page.