XMM-Newton-NEWS  #223,    20-Aug-2019

XMM-Newton Science Operations Centre at
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  • XMM-Newton Announcement of Opportunity (AO-19)
    • Letter of Invitation by the ESA Director of Science
    • Key milestones for this announcement
    • Timeline for Phase II proposal submission

Letter of Invitation by the ESA Director of Science

Dear Colleague,

I am pleased to invite you to respond to the nineteenth "Announcement of Opportunity" to submit proposals for observations to be performed with the XMM-Newton observatory.

This Announcement solicits proposals to be carried out between May 2020 and April 2021. Proposers from institutes located worldwide are welcome to participate. All proposals will be subject to peer review by the XMM-Newton Observing Time Allocation Committee.

The detailed schedule of milestones of the announcement, the required software tools and the documentation are available from:


I would appreciate if you would distribute this invitation to interested colleagues.

I wish you every success in using the XMM-Newton observatory.

Yours sincerely,

Prof. Günther Hasinger
Director of Science

Key milestones for this announcement

Announcement of Opportunity: 20 August 2019
Due date for Proposals 11 October 2019 (12:00 UT)
Final OTAC approved program late December 2019

Time line for Phase II proposal submission

After the cycle of proposal submission and selection, the observation details for successful proposals must be entered into the observatory system. This is done during "Phase II" proposal submission.

Find below for your information the anticipated timeline for that eventual Phase II:

Start of Phase II proposal submission 8 January 2020
Closure of Phase II proposal submission 31 January 2020


Yours sincerely,

XMM-Newton SOC