144 citations · 2.6k across the 65 of their papers we have counts for
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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…
Multiple chemical tracers finally unveil the intricate NGC\,1333 IRAS\,4A outflow system. FAUST XVI
Layal Chahine, Cecilia Ceccarelli, Marta De Simone +54
The exploration of outflows in protobinary systems presents a challenging yet crucial endeavour, offering valuable insights into the dynamic interplay between protostars and their…
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…
Can radial temperature profiles be inferred using NH3 (1, 1) and (2, 2) observations?
Robert Estalella, Aina Palau, Gemma Busquet
A number of works infer radial temperature profiles of envelopes surrounding young stellar objects using several rotational transitions in a pixel-by-pixel or azimuthally-averaged…
Radio survey of the stellar population in the infrared dark cloud G14.225-0.506
Elena Díaz-Márquez, Roger Grau, Gemma Busquet +8
The IRDC G14.225-0.506 is associated with a network of filaments, which result in two different dense hubs, as well as with several signposts of star formation activity. The aim of…
The role of turbulence in high-mass star formation: Subsonic and transonic turbulence are ubiquitously found at early stages
Chao Wang, Ke Wang, Feng-Wei Xu +14
Context. Traditionally, supersonic turbulence is considered to be one of the most likely mechanisms to slow down the gravitational collapse in dense clumps, thereby enabling the fo…
Disk and Envelope Streamers of the GGD27-MM1 Massive Protostar
M. Fernández-López, J. M. Girart, J. A. López-Vázquez +4
We present new Atacama Large (sub)Millimeter Array 0.98 mm observations of the continuum emission and several molecular lines toward the high-mass protostellar system GGD27-MM1, dr…
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…
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…
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…
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…
FAUST VI. VLA 1623--2417 B: a new laboratory for astrochemistry around protostars on 50 au scale
C. Codella, A. López-Sepulcre, S. Ohashi +25
The ALMA interferometer, with its unprecedented combination of high-sensitivity and high-angular resolution, allows for (sub-)mm wavelength mapping of protostellar systems at Solar…
Hot methanol in the [BHB2007] 11 protobinary system: hot corino versus shock origin? : FAUST V
C. Vastel, F. Alves, C. Ceccarelli +63
Methanol is a ubiquitous species commonly found in the molecular interstellar medium. It is also a crucial seed species for the building-up of the chemical complexity in star formi…
A train of shocks at 3000 au scale? Exploring the clash of an expanding bubble into the NGC 1333 IRAS 4 region. SOLIS XIV
Marta De Simone, Claudio Codella, Cecilia Ceccarelli +10
There is evidence that the star formation process is linked to the intricate net of filaments in molecular clouds, which may be also due to gas compression from external triggers.…
FAUST III. Misaligned rotations of the envelope, outflow, and disks in the multiple protostellar system of VLA 16232417
Satoshi Ohashi, Claudio Codella, Nami Sakai +69
We report a study of the low-mass Class-0 multiple system VLA 1623AB in the Ophiuchus star-forming region, using HCO (), CS (), and CCH () lines as…
ALMA-IMF I -- Investigating the origin of stellar masses: Introduction to the Large Program and first results
F. Motte, S. Bontemps, T. Csengeri +61
The ALMA-IMF Large Program imaged a total noncontiguous area of 53pc2, covering 15 extreme, nearby protoclusters of the Milky Way. They were selected to span relevant early protocl…
ALMA-IMF II -- investigating the origin of stellar masses: Continuum Images and Data Processing
A. Ginsburg, T. Csengeri, R. Galván-Madrid +49
We present the first data release of the ALMA-IMF Large Program, which covers the 12m-array continuum calibration and imaging. The ALMA-IMF Large Program is a survey of fifteen den…
HCN/HNC chemistry in shocks: a study of L1157-B1 with ASAI
B. Lefloch, G. Busquet, S. Viti +9
HCN and its isomer HNC play an important role in molecular cloud chemistry and the formation of more complex molecules. We investigate here the impact of protostellar shocks on the…
The role of the magnetic field in the fragmentation process: the case of G14.225-0.506
N. Añez-López, G. Busquet, P. M. Koch +8
B-fields are predicted to play a role in the formation of filamentary structures and their fragmentation process. We aim at investigating the role of the B-field in the process of…
VLA ammonia observations of L1287: analysis of the "Guitar" core and two filaments
Inma Sepúlveda, Robert Estalella, Guillem Anglada +6
The present work aims at studying the dense gas of the molecular cloud LDN 1287 (L1287), which harbors a double FU Ori system, an energetic molecular outflow and a still-forming cl…
Seed of Life in Space (SOLIS) XI. First measurement of nitrogen fractionation in shocked clumps of the L1157 protostellar outflow
M. Benedettini, S. Viti, C. Codella +11
The isotopic ratio of nitrogen presents a wide range of values in the Solar System and in star forming system whose origin is still unclear. Chemical reactions in the gas phase are…
Simultaneous evolution of the virial parameter and star formation rate in molecular clumps undergoing global hierarchical collapse
Vianey Camacho, Enrique Vázquez-Semadeni, Aina Palau +2
We compare dense clumps and cores in a numerical simulation of molecular clouds (MCs) undergoing global hierarchical collapse (GHC) to observations in two MCs at different evolutio…
Filamentary Accretion Flows in the Infrared Dark Cloud G14.225-0.506 Revealed by ALMA
Huei-Ru Vivien Chen, Qizhou Zhang, M. C. H. Wright +10
Filaments are ubiquitous structures in molecular clouds and play an important role in the mass assembly of stars. We present results of dynamical stability analyses for filaments i…
The L1157-B1 astrochemical laboratory: testing the origin of DCN
G. Busquet, F. Fontani, S. Viti +4
L1157-B1 is the brightest shocked region of the large-scale molecular outflow, considered the prototype of chemically rich outflows, being the ideal laboratory to study how shocks…