2 papers
astro-ph.IM2025
Revisiting x-CTE in WFC3/UVIS
Jay Anderson
Most discussion of charge-transfer-efficiency (CTE) losses involves the parallel transfer of charge in the y-direction down the chip columns (y-CTE). Serial charge-transfer efficie…
astro-ph.IM2025
How Single-Star Guiding affects HST's Pointing Stability
Jay Anderson, Sylvia Baggett
HST is designed to use two guide stars (GSs) in the fine-guidance sensors (FGSs) to maintain its pointing and tracking during exposures. The primary GS holds the boresight fixed an…