10 September 2025
The Astrophysics Research Knowledgebase Remote Proposal System (ARK/RPS) portal is now open for submission of proposals for the Imaging X-ray Polarimetry Explorer (IXPE) General Observer Cycle 3. Proposals are due on 11 September 2025.
Please refer to the IXPE Cycle 3 proposal web page for a description of the program, submission details, and schedule. We note that there have been several changes including the addition of Legacy Programs and of joint programs with XRISM and NRAO. We look forward to reviewing your proposals.