3 papers
astro-ph.IM2026
Verifying the STIS Time Dependent Sensitivity Trends with the Primary CALSPEC Standards
Daniel Stapleton, Svea Hernandez
The STIS team monitors the time dependent sensitivity (TDS) of each grating with one from a set of three secondary CALSPEC standard stars: GRW+70D5824, AGK+81D266, and BD+28D4211.…
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…
astro-ph.GA2024
Modeling Ionized Gas in the Small Magellanic Cloud: The Wolf-Rayet Nebula N76
Elizabeth Tarantino, Alberto D. Bolatto, Rémy Indebetouw +5
We present Cloudy modeling of infrared emission lines in the Wolf-Rayet (WR) nebula N76 caused by one of the most luminous and hottest WR stars in the low metallicity Small Magella…