3 papers
astro-ph.EP2025
The reflex instability: exponential growth of a large-scale mode in astrophysical discs
Aurélien Crida, Clément Baruteau, Jean-François Gonzalez +5
We report the finding of a linear, non-axisymmetric, global instability in gas discs around stars, which may be relevant to other astrophysical discs. It takes the form of an …
astro-ph.EP2025
On inertial forces (indirect terms) in problems with a central body
Aurélien Crida, Clément Baruteau, Philippine Griveaud +14
Gravitational systems in astrophysics often comprise a body -- the primary -- that far outweights the others, and which is taken as the centre of the reference frame. A fictitious…
astro-ph.IM2025
Towards sustainable space research in France
Alexandre Santerne, Héloïse Meheut, Didier Barret +8
During the 2024's quinquennial scientific roadmap of CNES, a specific group worked on setting recommendations to decrease the environmental footprint of space science activities. T…