Tootfinder

Anatomy of the Class I protostar L1489 IRS with NOEMA -- I. Disk, streamers, outflow(s) and bubbles at 3mm
M. Tanious, R. Le Gal, R. Neri, A. Faure, A. Gupta, C. J. Law, J. Huang, N. Cuello, J. P. Williams, F. M\'enard
https://arxiv.org/abs/2403.18905

Anatomy of the Class I protostar L1489 IRS with NOEMA -- I. Disk, streamers, outflow(s) and bubbles at 3mm
Over the past few years, chemical studies have revealed multiple structures in the vicinity of young stellar objects (YSOs). It has become evident that specific physical conditions are associated with the emission of particular molecular lines, allowing us to use molecular probes of the YSO physics. Consequently, chemical surveys are now necessary to fully constrain the origin of the observed structures. Several surveys have been conducted to explore the chemistry of YSOs, focusing on Class 0 a…

Orbital dynamics in the GG Tau A system: investigating its enigmatic disc
Claudia Toci, Simone Ceppi, Nicol\'as Cuello, Gaspard Duch\^ene, Enrico Ragusa, Giuseppe Lodato, Francesca Farina, Fran\c{c}ois M\'enard, Hossam Aly
https://arxiv.org/abs/2404.07565

Orbital dynamics in the GG Tau A system: investigating its enigmatic disc
GG Tau is one of the most studied multiple young stellar systems: GG Tau A is a hierarchical triple surrounded by a massive disc and its companion, GG Tau B, is also a binary. Despite numerous observational attempts, an understanding of the geometry of the GG Tau A system is still elusive. We provide new astrometric measures of the system and we run a set of hydrodynamical simulations with two representative orbits to test how they impact a disc composed of dust and gas. We test the dynamical e…

Full orbital solutions in pre-main sequence high-order multiple systems: GG Tau Ab and UX Tau B
Gaspard Duch\^ene, Jean-Baptiste LeBouquin, Fran\c{c}ois M\'enard, Nicol\'as Cuello, Claudia Toci, Maud Langlois
https://arxiv.org/abs/2404.02469

Full orbital solutions in pre-main sequence high-order multiple systems: GG Tau Ab and UX Tau B
High-order multiple (triple and beyond) systems are relatively common. Their interaction with circumstellar and circumbinary material can have a large impact on the formation and evolution of planetary systems and depends on their orbital properties. GG\,Tau and UX\,Tau are two pre-main sequence high-order multiple systems in which the tightest pair has a projected separation of $\approx5$--20\,au. Characterizing precisely their orbits is crucial to establish their long-term stability, to predi…