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HEAD 22 Deadline for Late Abstracts

The 22nd meeting of the AAS High Energy Astrophysics Division (HEAD) will be held 12 – 16 October 2025 at the Hilton St. Louis at the Ballpark in St. Louis, Missouri.

Late-abstract submission is now open for posters only. Submit abstracts by Wednesday, 6 August 2025.

If you have any questions regarding HEAD 22, please contact the AAS meetings team at 202-328-2010 or meetings@aas.org.

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This cropped horizontal image has layers of semi-opaque rusty red colored gas and dust that starts at the bottom right and goes toward the top left. There are three prominent pillars rising toward the top left. The left pillar is the largest and widest. The peaks of the second and third pillars are set off in darker shades of brown and have red outlines.