GO 11684

Wed Apr 29 04:50:42 EDT 2026

Principal Investigator: Roeland van der Marel
PI Institution: Space Telescope Science Institute
Investigators (XML)

Title: The First Proper Motion Measurement for M31: Dynamics and Mass of the Local Group
Cycle: 17
External Allocation: 9 orbits
Parallel Allocation: 9 orbits
Proprietary Period: 12 months

Program Status: Program has been Completed

Program Coordinator: Tricia Royle Contact
Contact Scientist: John MacKenty Contact

ACS Reviewer: John Biretta Contact

Program Contents

Visit Status Information (XML)