3 papers
astro-ph.IM2026
Ground calibration plan for the Athena/X-IFU microcalorimeter spectrometer
Alexeï Molin, François Pajot, Marc Audard +24
The X-ray Integral Field Unit is the X-ray imaging spectrometer on-board one of ESA's next large missions, Athena. Athena is set to investigate the theme of the Hot and Energetic U…
stat.ME2026
A comparison of methods for Poisson regression in the presence of background
Massimiliano Bonamente, Vinay Kashyap, Xiaoli Li +1
This paper provides a statistical analysis of three common methods of regression for Poisson data in the presence of Poisson background, namely the joint fit with two parametric mo…
astro-ph.IM2025
The X-ray Integral Field Unit at the end of the Athena reformulation phase
Philippe Peille, Didier Barret, Edoardo Cucchetti +279
The Athena mission entered a redefinition phase in July 2022, driven by the imperative to reduce the mission cost at completion for the European Space Agency below an acceptable ta…