2 papers
astro-ph.SR2025
The multi-faceted variability of HD 192639: Stochastic behaviour, regularities, and an exceptional mass-ejection event
Gregor Rauw, Yaël Nazé, Charles-Antoine Gilon
Spectroscopic and photometric variability is widespread among O-type supergiants. It is linked to various phenomena affecting the star and its circumstellar environment, thereby pr…
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…