Physics of the Cosmos
Exploring fundamental questions regarding the physical forces of the universe

Program News and Announcements

13 September 2023

INTEGRAL's Final Call for Guest Observing Time, AO-21, is Open

The ESA Director of Science (Prof. Carole Mundell) released the 21st Announcement of Opportunity (AO-21) for observing proposals with the INTErnational Gamma-Ray Astrophysics Laboratory (INTEGRAL).

This is the last AO for INTEGRAL, and therefore the last chance to benefit from this special observatory and its unique capabilities. New INTEGRAL proposers are welcome, and some information especially targeting newcomers can be found in the 7-page brochure “INTEGRAL's final AO: Capabilities and Science Highlights” [PDF].

This announcement solicits proposals for observations to be carried out from January 2024. Proposers from all over the world are welcome to participate. All proposals will be subject to an independent peer review by the INTEGRAL Time Allocation Committee (TAC). The deadline for proposal submission is Friday 29 September 2023 at 2pm Central European Summer Time (8am Eastern/5am Pacific).

More information can be found on the INTEGRAL AO-21 webpage.

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