GO 12302

Sat May 02 14:48:01 EDT 2026

Principal Investigator: Edward Guinan
PI Institution: Villanova University
Investigators (XML)

Title: Probing the Atmospheres of Cepheids with HST-COS: Pulsation Dependences, Plasma Dynamics and Heating Mechanisms
Cycle: 18
External Allocation: 16 orbits
Proprietary Period: 12 months

Program Status: Program has been Completed

Program Coordinator: Alison Vick Contact
Contact Scientist: Charles Proffitt Contact

Program Contents

Visit Status Information (XML)