GO 16676

Sat May 02 21:10:59 EDT 2026

Principal Investigator: Adam Riess
PI Institution: The Johns Hopkins University
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Title: A 1% Calibration of the Distance Ladder from Cepheids Using High Precision Cluster Parallaxes to Reveal the Origin of the Hubble Tension
Cycle: 29
External Allocation: 10 orbits
Proprietary Period: 6 months

Program Status: Program has been Completed

Program Coordinator: William Januszewski Contact
Contact Scientist: Adam Riess Contact

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