activity
20122026
most citedHigh-Mass Star and Massive Cluster Formation in the Milky Way

507 citations · 2.9k across the 66 of their papers we have counts for

collaborators

67 papers

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

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

The ALMA Survey of 70 μm Dark High-mass Clumps in Early Stages (ASHES). XIII. Core Mass Function, Lifetime, and Growth of Prestellar Cores

Kaho Morii, Patricio Sanhueza, Qizhou Zhang +10

The core mass function (CMF) of prestellar cores is essential for understanding the initial conditions of star and cluster formation. However, the universality of the CMF and its r…

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

Cosmic Threads: Interlinking the Stellar Initial Mass Function from Star-Birth to Galaxies

Tereza Jerabkova, Donatella Romano, Pavel Kroupa +19

The stellar initial mass function (sIMF) describes the distribution of stellar masses formed in a single star formation event in a molecular cloud clump. It is fundamental to astro…

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

Mapping Magnetic Fields from Clouds to Cores with PRIMAger

Kate Pattle, Janik Karoly, Lorna Buhil Findlay +7

High-resolution, wide-area mapping of magnetic field geometries within molecular clouds, and the star-forming filaments and cores within them, is crucial in order to understand the…

astro-ph.GA2025★ 2 cited

DAWN. I. Simulating the formation and early evolution of stellar clusters with Phantom N-Body

Yann Bernard, Estelle Moraux, Daniel J. Price +3

Context. Simulating stellar dynamics in a molecular cloud environment is numerically challenging due to the strong coupling between young stars and their surrounding gas, and the l…

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

The interdependence between density PDF, CMF and IMF and their relation with Mach number in simulations

Arturo Nuñez-Castiñeyra, Matthias González, Noé Brucy +3

The initial mass function (IMF) of stars and the corresponding cloud mass function (CMF), traditionally considered universal, exhibit variations that are influenced by the local en…

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.EP2024★ 46 cited

JWST/NIRSpec Reveals the Nested Morphology of Disk Winds from Young Stars

Ilaria Pascucci, Tracy L. Beck, Sylvie Cabrit +15

Radially extended disk winds could be the key to unlocking how protoplanetary disks accrete and how planets form and migrate. A distinctive characteristic is their nested morpholog…

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

ALMA-IMF XIV: Free-Free Templates Derived from H and Ionized Gas Content in Fifteen Massive Protoclusters

Roberto Galván-Madrid, Daniel J. Díaz-González, Frédérique Motte +25

We use the H recombination line to create templates of the millimeter free-free emission in the ALMA-IMF continuum maps, which allows to separate it from dust emission. This m…

astro-ph.GA2024★ 9 cited

Core to ultracompact HII region evolution in the W49A massive protocluster

T. Nony, R. Galván-Madrid, N. Brouillet +10

We aim to identify and characterize cores in the high-mass proto-cluster W49, determine their evolutionary stages and measure the associated lifetimes. We built a catalog of 129 co…

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.SR2023★ 1 cited

Multiple shells driven by disk winds: ALMA observations in the HH 30 outflow

J. A. López-Vázquez, Chin-Fei Lee, M. Fernández-López +3

We present archive Atacama Large Millimeter/Submillimeter Array (ALMA) Band 6 observations of the CO (J=2-1) and CO (J=2-1) molecular line emission of the protostella…

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

ALMA-IMF VIII -- Combination of Interferometric Continuum Images with Single-Dish Surveys and Structural Analysis of Six Protoclusters

Daniel J. Díaz-González, Roberto Galván-Madrid, Adam Ginsburg +17

We present the combination of ALMA-IMF and single-dish continuum images from the Mustang-2 Galactic Plane Survey (MGPS90) at 3 millimeters and the Bolocam Galactic Plane Survey (BG…