Demographics of young stars and their protoplanetary disks: lessons learned on disk evolution and its connection to planet formation

CF Manara, M Ansdell, GP Rosotti, AM Hughes… - arXiv preprint arXiv …, 2022 - arxiv.org
Since Protostars and Planets VI (PPVI), our knowledge of the global properties of
protoplanetary and debris disks, as well as of young stars, has dramatically improved. At the …

Testing external photoevaporation in the σ-Orionis cluster with spectroscopy and disk mass measurements

K Maucó, CF Manara, M Ansdell, G Bettoni… - Astronomy & …, 2023 - aanda.org
Context. The evolution of protoplanetary disks is regulated by an interplay of several
processes, either internal to the system or related to the environment. As most of the stars …

Toward a population synthesis of disks and planets-II. Confronting disk models and observations at the population level

A Emsenhuber, R Burn, J Weder, K Monsch… - Astronomy & …, 2023 - aanda.org
Aims. We want to find the distribution of initial conditions that best reproduces disc
observations at the population level. Methods. We first ran a parameter study using a 1D …

The Time Evolution of in Protoplanetary Disks as a Way to Disentangle between Viscosity and MHD Winds

A Somigliana, L Testi, G Rosotti, C Toci… - The Astrophysical …, 2023 - iopscience.iop.org
As the classic viscous paradigm for protoplanetary disk accretion is challenged by the
observational evidence of low turbulence, the alternative scenario of MHD disk winds is …

Population study on MHD wind-driven disc evolution-Confronting theory and observation

J Weder, C Mordasini, A Emsenhuber - Astronomy & Astrophysics, 2023 - aanda.org
Context. Current research has established magnetised disc winds as a promising way of
driving accretion in protoplanetary discs. Aims. We investigate the evolution of large …

Photoevaporation obfuscates the distinction between wind and viscous angular momentum transport in protoplanetary discs

GAL Coleman, JK Mroueh… - Monthly Notices of the …, 2024 - academic.oup.com
How protoplanetary discs evolve remains an unanswered question. Competing theories of
viscosity and magnetohydrodynamic disc winds have been put forward as the drivers of …

The evolution of the Md–M⋆ and correlations traces protoplanetary disc dispersal

A Somigliana, L Testi, G Rosotti, C Toci… - Astronomy & …, 2024 - aanda.org
Observational surveys of entire star-forming regions have provided evidence of power-law
correlations between the disc-integrated properties and the stellar mass, especially the disc …

An analytical solution to measure the gas size in protoplanetary discs in the viscous self-similar scenario

C Toci, G Lodato, FG Livio, G Rosotti… - Monthly Notices of the …, 2023 - academic.oup.com
In order to understand which mechanism is responsible for accretion in protoplanetary discs,
a robust knowledge of the observed disc radius using gas tracers such as 12CO and other …

What governs the spin distribution of very young< 1 Myr low-mass stars

L Gehrig, EI Vorobyov - Astronomy & Astrophysics, 2023 - aanda.org
Context. The origin of the stellar spin distribution at young ages is still unclear. Even in very
young clusters (∼ 1 Myr), a significant spread is observed in rotational periods ranging …

Evolution of the relation between the mass accretion rate and the stellar and disk mass from brown dwarfs to stars

V Almendros-Abad, CF Manara, L Testi, A Natta… - Astronomy & …, 2024 - aanda.org
The time evolution of the dependence of the mass accretion rate with the stellar mass and
the disk mass represents a fundamental way to understand the evolution of protoplanetary …