GO 10918

Sat May 02 21:26:14 EDT 2026

Principal Investigator: Wendy Freedman
PI Institution: University of Chicago
Investigators (XML)

Title: Reducing Systematic Errors on the Hubble Constant: Metallicity Calibration of the Cepheid PL Relation
Cycle: 15
External Allocation: 36 orbits
Parallel Allocation: 36 orbits
Proprietary Period: 12 months

Program Status: Program has been Completed

Program Coordinator: Alison Vick Contact

Program Contents

• APT File
• Formatted Listing
• Public PDF
• HST Archive Information

Visit Status Information (XML)

Related Programs

• 11297: Reducing Systematic Errors on the Hubble Constant: Metallicity Calibration of the Cepheid PL Relation