2 papers
astro-ph.IM2026
Frequency Standard Contributions to Limitations on the Signal-to-Noise Ratio in Very Long Baseline Interferometric (VLBI) Observations
Eric Burt, Todd Ely, Geoff Bower +3
Since its observation in 2019, the first image of a super-massive black hole using Very Long Baseline Interferometry (VLBI) with an Earth-scale baseline has generated much scientif…
astro-ph.IM2026
STIS Cycle 30 Calibration Programs
D. Welty, R. Bohlin, J. Carlberg +8
We discuss the suite of STIS calibration programs executed during HST Cycle 30, covering the period 2022 Nov 07 through 2023 Nov 05. For each of the 19 current regular calibration…