GO 17410

Sat May 02 14:46:52 EDT 2026

Principal Investigator: Ryan Foley
PI Institution: University of California - Santa Cruz
Investigators (XML)

Title: Reducing Type Ia Supernova Distance Biases by Separating Reddening and Intrinsic Color
Cycle: 31
External Allocation: 30 orbits
Proprietary Period: 0 months

Program Status: Implementation

Program Coordinator: Tricia Royle Contact
Contact Scientist: Joel Green Contact

Program Contents

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

Visit Status Information (XML)

Requests

• Report a duplication of an observation in this program by another HST program.
• Request an observing change.
• Report an observing problem.
• Activate a target of opportunity.

Related Programs

• 17128: Reducing Type Ia Supernova Distance Biases by Separating Reddening and Intrinsic Color