GO 1638

Mon Apr 20 01:36:17 EDT 2026

Principal Investigator: Kristen McQuinn
PI Institution: Space Telescope Science Institute
Investigators (XML)

Title: Securing the TRGB Distance Indicator: A Pre-Requisite for a JWST Measurement of H_0
Cycle: 1
External Allocation: 9.5 hours
Parallel Allocation: 2.0 hours
Allocation Change History
Exclusive Access Period: 12 months

Program Status: Program has been Completed

Program Coordinator: Blair Porterfield Contact

NIRCAM Reviewer: Alicia Canipe Contact
NIRISS Reviewer: Stephanie La Massa Contact

Program Contents

Visit Status Information (XML)

Requests