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View article: The Rosetta Stone Project
The Rosetta Stone Project Open
Context . Star formation and, in particular, high-mass star formation are key astrophysical processes that are far from being fully understood. Unfortunately, progress in these fields is slow because observations are hard to interpret as t…
View article: The Rosetta Stone Project
The Rosetta Stone Project Open
Context . The evolution of massive star-forming clumps that are progenitors of high-mass young stellar objects are often classified based on a variety of observational indicators ranging from near-infrared to radio wavelengths. Among them,…
View article: The Rosetta Stone project
The Rosetta Stone project Open
Context . The physical mechanisms that regulate the collapse of high-mass parsec-scale clumps and allow them to form clusters of new stars, including high-mass stars, represent a crucial aspect of star formation. Aims . To investigate thes…
View article: The Rosetta Stone project. III. ALMA synthetic observations of fragmentation in high-mass star-forming clumps
The Rosetta Stone project. III. ALMA synthetic observations of fragmentation in high-mass star-forming clumps Open
The physical mechanisms that regulate the collapse of high-mass parsec-scale clumps and allow them to form clusters of new stars represent a crucial aspect of star formation. To investigate these mechanisms, we developed the Rosetta Stone …
View article: ALMAGAL
ALMAGAL Open
Context . The study of molecular line emission is crucial to unveil the kinematics and the physical conditions of gas in star-forming regions. We use data from the ALMAGAL survey, which provides an unprecedentedly large statistical sample …
View article: PRIMAGAL: a PRIMAger Galactic Plane Far-IR polarization survey to quantify the magnetic fields’ role in the formation and evolution of large star-forming filaments
PRIMAGAL: a PRIMAger Galactic Plane Far-IR polarization survey to quantify the magnetic fields’ role in the formation and evolution of large star-forming filaments Open
The PRIMAger instrument on board the proposed PRIMA satellite will offer the unprecedented capability to obtain hundreds of square-degree maps in polarised emission at sub-arcminute resolution in four Far-IR bands. This will open a unique …
View article: ALMAGAL
ALMAGAL Open
Context . A large fraction of stars form in clusters containing high-mass stars, which subsequently influences the local and galaxy-wide environment. Aims . Fundamental questions about the physics responsible for fragmenting molecular pars…
View article: ALMAGAL
ALMAGAL Open
Context. Stars form preferentially in clusters embedded inside massive molecular clouds, many of which contain high-mass stars. Thus, a comprehensive understanding of star formation requires a robust and statistically well-constrained char…
View article: Are stellar embryos in Perseus radio-synchrotron emitters?
Are stellar embryos in Perseus radio-synchrotron emitters? Open
Cosmic rays (CRs) are crucial to the chemistry and physics of star-forming regions. By controlling the ionization rate of molecular gas, they mediate the interaction between matter flows and interstellar magnetic fields, thereby regulating…
View article: Dynamical accretion flows
Dynamical accretion flows Open
Context. Investigating the flow of material along filamentary structures towards the central core can help provide insights into high-mass star formation and evolution. Aims. Our main motivation is to answer the question of what the proper…
View article: A New Perspective to the Relation Between Accretion Luminosity and Mass Accretion Rate
A New Perspective to the Relation Between Accretion Luminosity and Mass Accretion Rate Open
In this paper I show that, opposite to what is generally assumed, when a source accretes matter at the so-called Eddington mass accretion rate M˙ed, the generated accretion luminosity Lacc is smaller than Led, the Eddington accretion lumin…
View article: <i>Herschel</i> Gould Belt Survey in Taurus – II. A census of dense cores and filaments in the TMC1 region
<i>Herschel</i> Gould Belt Survey in Taurus – II. A census of dense cores and filaments in the TMC1 region Open
We present a catalogue of dense cores and filaments in a $3.8^\circ \times 2.4^\circ$ field around the TMC1 region of the Taurus molecular cloud. The catalogue was created using photometric data from the Herschel SPIRE and PACS instruments…
View article: Herschel Gould Belt Survey in Taurus. II: A census of dense cores and filaments in the TMC1 region
Herschel Gould Belt Survey in Taurus. II: A census of dense cores and filaments in the TMC1 region Open
We present a catalogue of dense cores and filaments in a $3.8^{\circ}\times2.4^{\circ}$ field around the TMC1 region of the Taurus Molecular Cloud. The catalogue was created using photometric data from the Herschel SPIRE and PACS instrumen…
View article: A new tool to derive simultaneously exponent and extremes of power-law distributions
A new tool to derive simultaneously exponent and extremes of power-law distributions Open
Many experimental quantities show a power-law distribution $p(x)\propto x^{-α}$. In astrophysics, examples are: size distribution of dust grains or luminosity function of galaxies. Such distributions are characterized by the exponent $α$ a…
View article: The Forgotten Quadrant Survey: a 12CO and 13CO (1–0) survey of the Galactic Plane in the range 220°
The Forgotten Quadrant Survey: a 12CO and 13CO (1–0) survey of the Galactic Plane in the range 220° Open
I will present the Forgotten Quadrant Survey (FQS), a project that used 700 hr of the 12m antenna at the Arizona Radio Observatory to map a strip of the Milky Way plane in the range 220°<l<240° and -2.5°<b<0°, both in 12CO and 13CO (1–0). …
View article: A panoptic view of the Taurus molecular cloud
A panoptic view of the Taurus molecular cloud Open
We present a study of the three-dimensional (3D) distribution of interstellar dust derived from stellar extinction observations toward the Taurus molecular cloud (MC) and its relation with the neutral atomic hydrogen (H I ) emission at 21 …
View article: A panoptic view of the Taurus molecular cloud I. The cloud dynamics revealed by gas emission and 3D dust
A panoptic view of the Taurus molecular cloud I. The cloud dynamics revealed by gas emission and 3D dust Open
We present a study of the three-dimensional (3D) distribution of interstellar dust derived from stellar extinction observations toward the Taurus molecular cloud (MC) and its relation with the neutral atomic hydrogen (HI) emission at 21 cm…
View article: The SQUALO project (Star formation in QUiescent And Luminous Objects) I: clump-fed accretion mechanism in high-mass star-forming objects
The SQUALO project (Star formation in QUiescent And Luminous Objects) I: clump-fed accretion mechanism in high-mass star-forming objects Open
The formation mechanism of the most massive stars is far from completely understood. It is still unclear if the formation is core-fed or clump-fed, i.e. if the process is an extension of what happens in low-mass stars, or if the process is…
View article: The SQUALO project (Star formation in QUiescent And Luminous Objects) I: clump-fed accretion mechanism in high-mass star-forming objects
The SQUALO project (Star formation in QUiescent And Luminous Objects) I: clump-fed accretion mechanism in high-mass star-forming objects Open
The formation mechanism of the most massive stars is far from completely understood. It is still unclear if the formation is core-fed or clump-fed, i.e. if the process is an extension of what happens in low-mass stars, or if the process is…
View article: The Star Formation Rate of the Milky Way as Seen by Herschel
The Star Formation Rate of the Milky Way as Seen by Herschel Open
We present a new derivation of the Milky Way’s current star formation rate (SFR) based on the data of the Herschel InfraRed Galactic Plane Survey (Hi-GAL). We estimate the distribution of the SFR across the Galactic plane from the star-for…
View article: Understanding star formation in molecular clouds
Understanding star formation in molecular clouds Open
Probability distribution functions of the total hydrogen column density (N-PDFs) are a valuable tool for distinguishing between the various processes (turbulence, gravity, radiative feedback, magnetic fields) governing the morphological an…
View article: An alternative approach to the relation between accretion luminosity and mass accretion rate
An alternative approach to the relation between accretion luminosity and mass accretion rate Open
In this paper I introduce and discuss an alternative approach to the relation between accretion luminosity, L acc, and mass accretion rate, ˙ M : instead of the universally adopted L acc = GM ˙ M / R , I propose the dynamical definition L …
View article: The Hi-GAL compact source catalogue – II. The 360° catalogue of clump physical properties
The Hi-GAL compact source catalogue – II. The 360° catalogue of clump physical properties Open
We present the 360° catalogue of physical properties of Hi-GAL compact sources, detected between 70 and 500 $\mu$m. This release not only completes the analogous catalogue previously produced by the Hi-GAL collaboration for −71° ≲ ℓ ≲ 67°,…
View article: Distance of Hi-GAL sources
Distance of Hi-GAL sources Open
Aims. Distances are key to determining the physical properties of sources. In the Galaxy, large (> 10 000) homogeneous samples of sources for which distance are available, covering the whole Galactic distance range, are still missing. Here…
View article: Herschel Gould Belt Survey Observations of Dense Cores in the Cepheus Flare Clouds
Herschel Gould Belt Survey Observations of Dense Cores in the Cepheus Flare Clouds Open
We present Herschel SPIRE and PACS maps of the Cepheus Flare clouds L1157, L1172, L1228, L1241, and L1251, observed by the Herschel Gould Belt Survey of nearby star-forming molecular clouds. Through modified blackbody fits to the SPIRE and…
View article: The census of dense cores in the Serpens region from the <i>Herschel</i> Gould Belt Survey
The census of dense cores in the Serpens region from the <i>Herschel</i> Gould Belt Survey Open
The Herschel Gould Belt survey mapped the nearby (d < 500 pc) star-forming regions to understand better how the prestellar phase influences the star formation process. Here, we report a complete census of dense cores in a ∼15 deg2 area …
View article: The Hi-GAL catalogue of dusty filamentary structures in the Galactic plane
The Hi-GAL catalogue of dusty filamentary structures in the Galactic plane Open
The recent data collected by Herschel have confirmed that interstellar structures with a filamentary shape are ubiquitously present in the Milky Way. Filaments are thought to he formed by several physical mechanisms acting from large Galac…
View article: The accretion history of high-mass stars: an ArTéMiS pilot study of infrared dark clouds
The accretion history of high-mass stars: an ArTéMiS pilot study of infrared dark clouds Open
The mass growth of protostars is a central element to the determination of fundamental stellar population properties such as the initial mass function. Constraining the accretion history of individual protostars is therefore an important a…
View article: The Hi-GAL catalogue of dusty filamentary structures in the Galactic plane
The Hi-GAL catalogue of dusty filamentary structures in the Galactic plane Open
The recent data collected by Herschel have confirmed that interstellar structures with a filamentary shape are ubiquitously present in the Milky Way. Filaments are thought to be formed by several physical mechanisms acting from large Galac…