3 papers
astro-ph.GA2025
Spiral arms across stellar populations in simulations via the local dimension method
J. Ardèvol, M. Semczuk, T. Antoja +3
Context. The origin and nature of spiral arms remain unclear. Star forming regions and young stars are generally strongly associated to the spiral structure, but there are few quan…
astro-ph.SR2024
Transferring spectroscopic stellar labels to 217 million Gaia DR3 XP stars with SHBoost
A. Khalatyan, F. Anders, C. Chiappini +14
In this paper, we explore the feasibility of using machine learning regression as a method of extracting basic stellar parameters and line-of-sight extinctions from spectro-photome…
astro-ph.GA2024
Discovery of a large and faint nebula at the Triangulum galaxy
Aleix Roig, Raúl Infante-Sainz, Judith Ardèvol
We report the discovery of a previously uncatalogued arch-shaped filamentary nebula at the outer part of the Triangulum galaxy (M33) centred at R.A. = 1h34m25s, Dec = +30d20m17s (I…