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INTEGRAL U.S. Guest Observer Facility

INTEGRAL Proposals and AO-News

The latest INTEGRAL AO news from ESA can be found at the INTEGRAL Science Operation Center (ISOC).


The AO-13 call for proposals was released on March 9, 2015, with a deadline on April 17, 2015. The AO-13 cycle of observations will begin on January 1, 2016 and has a duration of 12 months.

Release of AO-13: call for observing time proposals:   March 9, 2015
Deadline for submission of observing time proposals:   April 17, 2015 (14:00 CEST)
Meeting of the Time Allocation Committee:   May 16-28, 2015
Start of AO-13 cycle of observations:   January 1, 2016


The INTEGRAL AO-12 General Programme, as recommended by the Time Allocation Committee (TAC) and approved on June 12, 2014 by ESA's Director of Science and Robotic Exploration (Prof. Alvaro Gimenez), was released and the observers were informed.

The AO-12 cycle of observations started on January 1st and will last 12 months. The INTEGRAL target lists and sky maps are available. The AO-12 Long-Term Plan is still in preparation, pending the new orbit.

Prior AOs

The observing schedules and lists of approved targets for AO-1 to AO-11 are available from ESA's INTEGRAL web site. The AO-1 through AO-11 observing targets are also listed in the INTEGRAL Observing Program Catalog (INTEGRALAO) in the HEASARC INTEGRAL archive. It is searchable using either Browse or Xamin.

Tables of NASA funded investigators

  • AO-5.
  • AO-4.
  • AO-3.
  • Archival/Theoretical Guest Investigations for AO-3.

    Proposal Tools

    Proposal preparation tools, and instructions for responding to AOs are available through the INTEGRAL Science Operation Center (ISOC).

    Last updated:Monday, 09-Mar-2015 13:41:41 EDT .