3 papers
astro-ph.GA2026
Probing the IMF in the Early Universe -- Direct measurements in the Boötes I UFD with JWST/NIRCam
Keyi Ding, Mario Gennaro, Roberto J. Avila +20
The dependence of the stellar initial mass function (IMF) on star-formation environment, particularly at low metallicities and high redshifts, remains poorly constrained. Ultra-fai…
astro-ph.IM2026
Using 23 Years of ACS/SBC Data to Understand Backgrounds: Explaining & Predicting Background Variations
Christopher J. R. Clark, Roberto J. Avila, Alyssa Guzman +1
Recent analysis of 23 years of Hubble Space Telescope ACS/SBC data has shown that background levels can vary considerably between observations, with most filters showing over an or…
astro-ph.IM2026
Using 23 Years of ACS/SBC Data to Understand Backgrounds: Significant Reductions in Expected Background Levels
Christopher. J. R. Clark, Roberto J. Avila, Alyssa Guzman +1
We have used 23 years of Hubble Space Telescope ACS/SBC data to study what background levels are encountered in practice and how much they vary. The backgrounds vary considerably,…