Papers produced by the
Hubble Space Telescope
Astrometry Science Team
The Fine Guidance Sensors (FGS)
How they work
Why we choose FGS 3 for Astrometry
How well do they work?
Double star astrometry
Photometry with FGS 3
The Wide-Field / Planetary Camera (WFPC)
All Papers and Abstracts
Ancient history, but fun; we designed and built the world's first
Guide Star Selection System.
Our design was the basis for what now runs at the Space Telescope Science Institute