activity
20222026
most citedALMA-IMF. V. Prestellar and protostellar core populations in the W43 cloud complex

51 citations · 254 across the 18 of their papers we have counts for

collaborators

21 papers

astro-ph.IM2026

Star Formation across the Galaxy

Alvaro Sanchez-Monge, Henrik Beuther, Maryvonne Gerin +41

Star formation is both a multi-scale and highly dynamic process. It is regulated by the combination of gravity, turbulence, feedback and magnetic fields, which connect more than si…

astro-ph.IM2026

Tracking the flow of interstellar gas across scales: from galaxies to star clusters

Ana Duarte-Cabral, Maxime Valeille-Manet, Mathilde Bouvier +30

While the baryon cycle of the interstellar medium - and its ability to form stars - plays a key role in galaxy evolution, unravelling the physical processes driving its evolution r…

astro-ph.GA2026

Challenges in probing turbulent and magnetic support in cores: the W43-MM1 protocluster case study

M. Valeille-Manet, F. Louvet, F. Motte +13

Estimating the level of non-thermal support in cores is both challenging and crucial for constraining the earliest stages of star formation. We quantify the kinetic and magnetic su…

astro-ph.SR2026

Virial-based extraction of structures in numerical simulations: The vibes tool

Simon Chevalier, Fabien Louvet, Yann Bernard +9

The processes that determine the stellar initial mass function (IMF) and its connection to the core mass function (CMF) are among the major open questions in star formation. The de…

astro-ph.GA2026

The 10-15 GHz radio continuum survey of the Galactic Plane with SKAO

A. Traficante, C. Mininni, F. Cavallaro +63

Star formation emerges from the complex interplay between gravity, turbulence, magnetic fields, and stellar feedback, all of which vary across spatial scales and Galactic environme…

astro-ph.GA2026

ALMA-IMF XXII. Role of core subfragmentation in the IMF origin: Hierarchical fragmentation cascade and CMF in W43-MM1

F. Motte, N. Le Nestour, R. Veyry +29

We aim to predict how the currently observed top-heavy CMF in the massive protocluster W43-MM1 evolves due to core subfragmentation. We used getsf to extract sources in 5 ALMA imag…

astro-ph.GA2026

S2D2: Small-scale Significant substructure DBSCAN Detection II. Tracing episodes and gradients of star formation activity

Marta González, Isabelle Joncour, Estelle Moraux +5

We provide the community with a homogeneous catalogue of small, significant substructures (henceforth NESTs) extracted from the spatial distribution of Young Stellar Objects (YSOs)…

astro-ph.GA2025

ALMA-IMF. XXI.: NH kinematics in the G012.80 protocluster: Evidence for filament rotation and evolution

J. Salinas, A. M. Stutz, R. H. Álvarez-Gutiérrez +20

(abridged) We aim to characterize kinematic processes in the G012.80 protocluster. We principally focus on the NH(10) emission to trace the dense and cold gas. Additiona…

astro-ph.GA2025

ALMA-IMF XX: Core fragmentation in the W51 high-mass star-forming region

T. Yoo, A. Ginsburg, J. Braine +27

We present a study of core fragmentation in the W51-E and W51-IRS2 protoclusters in the W51 high-mass star-forming region. The identification of core fragmentation is achieved by t…

astro-ph.GA2025★ 11 cited

ALMA-IMF XVII -- Census and lifetime of high-mass prestellar cores in 14 massive protoclusters

M. Valeille-Manet, S. Bontemps, T. Csengeri +24

High-mass prestellar cores are extremely rare. The search for such objects has long been hindered by small sample sizes, leading to large uncertainties in their lifetimes and the c…

astro-ph.GA2024★ 12 cited

ALMA-IMF XVI: Mass-averaged temperature of cores and protostellar luminosities in the ALMA-IMF protoclusters

F. Motte, Y. Pouteau, T. Nony +34

ALMA-IMF imaged 15 massive protoclusters down to a resolution of of 2 kau scales, identifying about 1000 star-forming cores. The mass and luminosity of these cores, which are funda…

astro-ph.GA2024★ 33 cited

ALMA-IMF XV: The core mass function in the high-mass star-formation regime

F. Louvet, P. Sanhueza, A. Stutz +38

The stellar initial mass function (IMF) is critical to our understanding of star formation and the effects of young stars on their environment. On large scales, it enables us to us…

astro-ph.GA2024

ALMA-IMF XII: Point-process mapping of 15 massive protoclusters

P. Dell'Ova, F. Motte, A. Gusdorf +29

A crucial aspect in addressing the challenge of measuring the core mass function, that is pivotal for comprehending the origin of the initial mass function, lies in constraining th…

astro-ph.GA2024★ 16 cited

ALMA-IMF XIII: NH kinematic analysis on the intermediate protocluster G353.41

R. H. Álvarez-Gutiérrez, A. M. Stutz, N. Sandoval-Garrido +23

The ALMA-IMF Large Program provides multi-tracer observations of 15 Galactic massive protoclusters at matched sensitivity and spatial resolution. We focus on the dense gas kinemati…

astro-ph.GA2024★ 25 cited

ALMA-IMF XI: The sample of hot core candidates A rich population of young high-mass proto-stars unveiled by the emission of methyl formate

M. Bonfand, T. Csengeri, S. Bontemps +28

Sites associated with high-mass star and cluster formation exhibit a so-called hot core phase, characterized by high temperatures and column densities of complex organic molecules.…

astro-ph.GA2024★ 18 cited

ALMA-IMF X -- The core population in the evolved W33-Main (G012.80) protocluster

M. Armante, A. Gusdorf, F. Louvet +21

We aimed to measure the CMF in the evolved W33-Main star-forming protocluster to compare it with CMF recently obtained in other Galactic star-forming regions, including the ones in…

astro-ph.GA2023★ 1 cited

ALMA-IMF IX: Catalog and Physical Properties of 315 SiO Outflow Candidates in 15 Massive Protoclusters

A. P. M. Towner, A. Ginsburg, P. Dell'Ova +24

We present a catalog of 315 protostellar outflow candidates detected in SiO J=5-4 in the ALMA-IMF Large Program, observed with ~2000 au spatial resolution, 0.339 km/s velocity reso…

astro-ph.GA2023★ 22 cited

ALMA-IMF. VII. First release of the full spectral line cubes: Core kinematics traced by DCN J=(3-2)

N. Cunningham, A. Ginsburg, R. Galván-Madrid +30

ALMA-IMF is an Atacama Large Millimeter/submillimeter Array (ALMA) Large Program designed to measure the core mass function (CMF) of 15 protoclusters chosen to span their early evo…

astro-ph.GA2023★ 51 cited

ALMA-IMF. V. Prestellar and protostellar core populations in the W43 cloud complex

T. Nony, R. Galvan-Madrid, F. Motte +24

The origin of the stellar initial mass function (IMF) and its relation with the core mass function (CMF) are actively debated issues with important implications in astrophysics. Re…

astro-ph.GA2022★ 46 cited

ALMA-IMF VI -- Investigating the origin of stellar masses: Core mass function evolution in the W43-MM2&MM3 mini-starburst

Y. Pouteau, F. Motte, T. Nony +35

Among the most central open questions regarding the initial mass function (IMF) of stars is the impact of environment on the shape of the core mass function (CMF) and thus potentia…

astro-ph.GA2022★ 19 cited

ALMA-IMF IV -- A comparative study of the main hot cores in W43-MM1: detection, temperature and molecular composition

N. Brouillet, D. Despois, J. Molet +21

W43-MM1 is a young region, very rich in terms of high-mass star formation. We aim to systematically identify the massive cores which contain a hot core and compare their molecular…