Publications (56)
The young star cluster population of M51 with LEGUS - II. Testing environmental dependencies
M. Messa, A. Adamo, D. Calzetti +16
It has recently been established that the properties of young star clusters (YSCs) can vary as a function of the galactic environment in which they are found. We use the cluster ca…
The EMPIRE Survey: Systematic Variations in the Dense Gas Fraction and Star Formation Efficiency from Full-Disk Mapping of M51
F. Bigiel, A. K. Leroy, M. J. Jimenez-Donaire +16
We present the first results from the EMPIRE survey, an IRAM large program that is mapping tracers of high density molecular gas across the disks of nine nearby star-forming galaxi…
Cloud populations versus galactic environment in NGC4689, NGC628, NGC1566, and NGC4321
H. Faustino Vieira, A. Duarte-Cabral, M. W. L. Smith +3
The study of molecular clouds in galaxies beyond the Local Group is limited by the need to efficiently sample diverse galactic environments across galactic discs, typically resulti…
The SEDIGISM survey: a search for molecular outflows
A. Y. Yang, J. S. Urquhart, F. Wyrowski +19
Context. The formation processes of massive stars are still unclear but a picture is emerging involving accretion disks and molecular outflows in what appears to be a scaled-up ver…
The EDGE-CALIFA survey: The effect of active galactic nucleus feedback on the integrated properties of galaxies at different stages of their evolution
Z. Bazzi, D. Colombo, F. Bigiel +5
Galaxy quenching, the intricate process through which galaxies transition from active star-forming states to retired ones, remains a complex phenomenon that requires further invest…
The SEDIGISM survey: first data release and overview of the Galactic structure
F. Schuller, J. S. Urquhart, T. Csengeri +57
The SEDIGISM (Structure, Excitation and Dynamics of the Inner Galactic Interstellar Medium) survey used the APEX telescope to map 84 deg^2 of the Galactic plane between l = -60 deg…
Effects of stellar feedback on cores in STARFORGE
K. R. Neralwar, D. Colombo, S. Offner +5
Stars form in dense cores within molecular clouds and newly formed stars influence their natal environments. How stellar feedback impacts core properties and evolution is subject t…
Star formation quenching stages of active and non-active galaxies
V. Kalinova, D. Colombo, S. F. Sánchez +5
The mechanisms that bring galaxies to strongly reduce their star formation activity (star-formation quenching) is still poorly understood. To better study galaxy evolution, we prop…
The lifetime of 100,000 molecular clouds in the nearby Universe
Z. Bazzi, M. I. N. Kobayashi, D. Colombo +25
Multiple mechanisms are proposed for the formation of giant molecular clouds (GMCs), from gravitational free-fall caused by self-gravity to stellar feedback-driven gas compression.…
A constant NH(1-0)-to-HCN(1-0) ratio on kiloparsec scales
M. J. Jiménez-Donaire, A. Usero, I. BeÅ¡liÄ +24
Nitrogen hydrides such as NH and NH are widely used by Galactic observers to trace the cold dense regions of the interstellar medium. In external galaxies, because of l…
OGHReS: Star formation in the Outer Galaxy II (-)
J. S. Urquhart, C. Koenig, D. Colombo +19
The Outer Galaxy High-Resolution Survey (OGHReS) covers 100 square degrees () in the (2--1) transitions of three CO-isotopologues. We use the spectra…
EDGE-CALIFA survey: Self-regulation of Star formation at kpc scales
J. K. Barrera-Ballesteros, S. F. Sánchez, T. Heckman +11
We present the relation between the star formation rate surface density, , and the hydrostatic mid-plane pressure, P, for 4260 star-forming regions of kpc s…
The PdBI Arcsecond Whirlpool Survey (PAWS). The Role of Spiral Arms in Cloud and Star Formation
E. Schinnerer, S. E. Meidt, D. Colombo +9
The process that leads to the formation of the bright star forming sites observed along prominent spiral arms remains elusive. We present results of a multi-wavelength study of a s…
Which galaxy property is the best gauge of the oxygen abundance?
P. Alvarez-Hurtado, J. K. Barrera-Ballesteros, S. F. Sánchez +3
We present an extensive exploration of the impact of 29 physical parameters in the oxygen abundance for a sample of 299 star-forming galaxies extracted from the extended CALIFA sam…
LEGO II: A 3 mm molecular line study covering 100 pc of one of the most actively star-forming portions within the Milky Way Disc
A. T. Barnes, J. Kauffmann, F. Bigiel +20
The current generation of (sub)mm-telescopes has allowed molecular line emission to become a major tool for studying the physical, kinematic, and chemical properties of extragalact…
High Resolution LAsMA CO and CO Observation of the G305 Giant Molecular Cloud Complex : I. Feedback on the Molecular Gas
P. Mazumdar, F. Wyrowski, D. Colombo +3
We observed the G305 star forming complex in the lines of CO and CO to investigate how molecular gas surrounding the central stellar clusters is being…
The EDGE-CALIFA Survey: Influence of Mergers on Radial Profiles of Star-Formation Properties
Y. Garay-Solis, J. K. Barrera-Ballesteros, L. Carigi +6
In this study, we investigate how the merging process influences the radial variations of the specific Star Formation Rate (sSFR), Star Formation Efficiency (SFE), and molecular ga…
OGHReS: Star formation in the Outer Galaxy (-)
J. S. Urquhart, C. König, D. Colombo +11
We have used data from the Outer Galaxy High-Resolution Survey (OGHReS) to refine the velocities, distances, and physical properties of a large sample of 3584 clumps detected in fa…
Resolved low-J CO excitation at 190 parsec resolution across NGC 2903 and NGC 3627
J. S. den Brok, A. K. Leroy, A. Usero +14
The low- rotational transitions of CO are commonly used to trace the distribution of molecular gas in galaxies. Their ratios are sensitive to excitation and physical cond…
The SEDIGISM survey: The influence of spiral arms on the molecular gas distribution of the inner Milky Way
D. Colombo, A. Duarte-Cabral, A. R. Pettitt +23
The morphology of the Milky Way is still a matter of debate. In order to shed light on uncertainties surrounding the structure of the Galaxy, in this paper, we study the imprint of…
Optical Depth Estimates and Effective Critical Densities of Dense Gas Tracers in the Inner Parts of Nearby Galaxy Discs
M. J. Jimenez-Donaire, F. Bigiel, A. K. Leroy +17
High critical density molecular lines like HCN(1-0) or HCO+(1-0) represent our best tool to study currently star-forming, dense molecular gas at extragalactic distances. The optica…
SEDIGISM-ATLASGAL: Dense Gas Fraction and Star Formation Efficiency Across the Galactic Disk
J. S. Urquhart, C. Figura, J. R. Cross +32
By combining two surveys covering a large fraction of the molecular material in the Galactic disk we investigate the role the spiral arms play in the star formation process. We hav…
Rotation of molecular clouds in M~51
J. Braine, A. Hughes, E. Rosolowsky +4
The grand-design spiral galaxy M~51 was observed at 40pc resolution in CO(1--0) by the PAWS project. A large number of molecular clouds were identified and we search for velocity g…
Extended atomic carbon around molecular clouds
V. Ossenkopf-Okada, A. Karska, M. Benedettini +2
Models predict that atomic carbon occurs at the surface and in the process of the formation of molecular clouds, making its fine structure transitions a diagnostic of cloud formati…
Infall and Outflow Towards High-mass Starless Clump Candidates
T. G. S. Pillai, J. S. Urquhart, S. Leurini +6
The evolutionary sequence for high-mass star formation starts with massive starless clumps that go on to form protostellar, young stellar objects and then compact HII regions. Whil…
AGN feedback in the nucleus of M51
M. Querejeta, E. Schinnerer, S. GarcÃa-Burillo +10
AGN feedback is invoked as one of the most relevant mechanisms that shape the evolution of galaxies. Our goal is to understand the interplay between AGN feedback and the interstell…
Identification of prestellar cores in high-mass star forming clumps via observations with ALMA
E. Redaelli, S. Bovino, A. Giannetti +5
Context. The different theoretical models concerning the formation of high-mass stars make distinct predictions regarding their progenitors, i.e. the high-mass prestellar cores. Ho…
The SEDIGISM survey: Molecular clouds in the inner Galaxy
A. Duarte-Cabral, D. Colombo, J. S. Urquhart +57
We use the 13CO(2-1) emission from the SEDIGISM high-resolution spectral-line survey of the inner Galaxy, to extract the molecular cloud population with a large dynamic range in sp…
The Spatial Relation between Young Star Clusters and Molecular Clouds in M 51 with LEGUS
K. Grasha, D. Calzetti, A. Adamo +21
We present a study correlating the spatial locations of young star clusters with those of molecular clouds in NGC~5194, in order to investigate the timescale over which clusters se…
A molecular line scan in the Hubble Deep Field North
R. Decarli, F. Walter, C. Carilli +20
We present a molecular line scan in the Hubble Deep Field North (HDF-N) that covers the entire 3mm window (79-115 GHz) using the IRAM Plateau de Bure Interferometer. Our CO redshif…
The EDGE-CALIFA survey: The local and global relations between , and that regulate star-formation
S. F. Sánchez, J. K. Barrera-Ballesteros, D. Colombo +9
We present a new characterization of the relations between star-formation rate, stellar mass and molecular gas mass surface densities at different spatial scales across galaxies (f…
Dense Gas in a Giant Molecular Filament
Y. Wang, H. Beuther, N. Schneider +10
Recent surveys of the Galactic plane in the dust continuum and CO emission lines reveal that large (~pc) and massive (~) filaments, know as giant…
Spectroscopic surveys with the SKA probing the ionized and molecular Milky Way
A. Karska, J. R. Dawson, A. M. Jacob +12
Radio spectroscopic surveys provide us with a comprehensive picture of the Milky Way across many physical and chemical regimes. Spectral lines primarily probe the multi-phase gaseo…
An imaging line survey of OMC-1 to OMC-3
N. Brinkmann, F. Wyrowski, J. Kauffmann +4
Aims: Our aim is to identify the dominant molecular cooling lines and characteristic emission features in the 1.3 mm window of distinct regions in the northern part of the Orion A…
A Kpc Scale Molecular Wave in the Inner Galaxy: Feather of the Milky Way?
V. S. Veena, P. Schilke, Ã. Sánchez-Monge +7
We report the discovery of a velocity coherent, kpc-scale molecular structure towards the Galactic center region with an angular extent of 30deg and an aspect ratio of 60:1. The ki…
Large-scale Velocity-coherent Filaments in the SEDIGISM Survey: Association with Spiral Arms and Fraction of Dense Gas
Y. Ge, K. Wang, A. Duarte-Cabral +15
Context. Filamentary structures in the interstellar medium are closely related to star formation. Dense gas mass fraction (DGMF) or clump formation efficiency in large-scale filame…
Investigating the link between inner gravitational potential and star-formation quenching in CALIFA galaxies
V. Kalinova, D. Colombo, S. F. Sánchez +9
It has been suggested that the gravitational potential can have a significant role in suppressing the star formation in the nearby galaxies. To establish observational constrains o…
PHANGS-JWST: the largest extragalactic molecular cloud catalog traced by polycyclic aromatic hydrocarbon emission
Z. Bazzi, D. Colombo, F. Bigiel +25
High-resolution JWST images of nearby spiral galaxies reveal polycyclic aromatic hydrocarbon (PAH) emission structures that trace molecular gas, including CO-dark regions. We ident…
The EDGE-CALIFA survey: exploring the role of the molecular gas on the galaxy star formation quenching
D. Colombo, S. F. Sanchez, A. D. Bolatto +11
Understanding how galaxies cease to form stars represents an outstanding challenge for galaxy evolution theories. This process of "star formation quenching" has been related to var…
The SEDIGISM survey: Molecular cloud morphology. II. Integrated source properties
K. R. Neralwar, D. Colombo, A. Duarte-Cabral +21
The Structure, Excitation, and Dynamics of the Inner Galactic InterStellar Medium (SEDIGISM) survey has produced high (spatial and spectral) resolution CO (2-1) maps of the…
A multiscale evolutionary study of molecular gas in STARFORGE. I. Synthetic observations of SEDIGISM-like molecular clouds
K. R. Neralwar, D. Colombo, S. Offner +6
Molecular clouds are active sites of star formation in galaxies, and their formation and evolution are largely affected by stellar feedback. This includes outflows and winds from n…
The SEDIGISM survey: Molecular cloud morphology. I. Classification and star formation
K. R. Neralwar, D. Colombo, A. Duarte-Cabral +22
We present one of the very first extensive classifications of a large sample of molecular clouds based on their morphology. This is achieved using a recently published catalogue of…
High resolution LAsMA CO and CO observation of the G305 giant molecular cloud complex : II. Effect of feedback on clump properties
P. Mazumdar, F. Wyrowski, J. S. Urquhart +4
G305 star-forming complex was observed in the 3-2 lines of 12 & 13CO to investigate the effect of feedback from the central OB stars on the complex. The region was decomposed into…
The Plateau de Bure + 30m Arcsecond Whirlpool Survey reveals a thick disk of diffuse molecular gas in the M51 galaxy
J. Pety, E. Schinnerer, A. K. Leroy +9
We present the data of the Plateau de Bure Arcsecond Whirlpool Survey (PAWS), a high spatial and spectral resolution 12CO(1-0) line survey of the inner 10 x 6 kpc of the M51 system…
ALMA Resolves Giant Molecular Clouds in a Tidal Dwarf Galaxy
M. Querejeta, F. Lelli, E. Schinnerer +12
Tidal dwarf galaxies (TDGs) are gravitationally bound condensations of gas and stars formed during galaxy interactions. Here we present multi-configuration ALMA observations of J10…
The EDGE-CALIFA survey: The resolved star formation efficiency and local physical conditions
V. Villanueva, A. Bolatto, S. Vogel +14
We measure the star formation rate (SFR) per unit gas mass and the star formation efficiency (SFE for total gas, SFE for the molecular gas) in 81 nearby gal…
The EDGE-CALIFA survey: the influence of galactic rotation on the molecular depletion time across the Hubble sequence
D. Colombo, V. Kalinova, D. Utomo +15
We present a kpc-scale analysis of the relationship between the molecular depletion time () and the orbital time () across the field…
Gravitational torques imply molecular gas inflow towards the nucleus of M51
M. Querejeta, S. Meidt, E. Schinnerer +10
The transport of gas towards the centre of galaxies is critical for black hole feeding and, indirectly, it can control active galactic nucleus (AGN) feedback. We have quantified th…
The EDGE-CALIFA Survey: An integral field unit-based integrated molecular gas database for galaxy evolution studies in the Local Universe
D. Colombo, V. Kalinova, Z. Bazzi +14
Studying galaxy evolution requires knowledge not only of the stellar properties, but also of the interstellar medium (in particular the molecular phase) out of which stars form, us…
Exploring the Impact of Galactic Interactions and Mergers on the Central Star Formation of APEX/EDGE-CALIFA Galaxies
Y. Garay-Solis, J. K. Barrera-Ballesteros, D. Colombo +5
Galactic interactions and subsequent mergers are a paramount channel for galaxy evolution. In this work, we use the data from 236 star forming CALIFA galaxies with integrated molec…
A Hybrid Agent-Based and System Dynamics Framework for Modelling Project Execution and Technology Maturity in Early-Stage R&D
R. W. S. Pessoa, M. H. Næss, J. C. Bijos +4
This paper presents a hybrid approach to predict the evolution of technological maturity in R and D projects, using the oil and gas sector as an example. Integrating System Dynamic…
OGHReS: Large-scale filaments in the outer Galaxy
D. Colombo, C. König, J. S. Urquhart +9
Filaments are a ubiquitous morphological feature of the molecular interstellar medium and are identified as sites of star formation. In recent years, more than 100 large-scale fila…
Small-scale physical and chemical structure of diffuse and translucent molecular clouds along the line of sight to Sgr B2
V. Thiel, A. Belloche, K. M. Menten +7
The diffuse and translucent molecular clouds traced in absorption along the line of sight to strong background sources have so far been investigated mainly in the spectral domain b…
ATLASGAL -- Evolutionary trends in high-mass star formation
J. S. Urquhart, M. R. A. Wells, T. Pillai +13
ATLASGAL is a 870-mircon dust survey of 420 square degrees of the inner Galactic plane and has been used to identify ~10 000 dense molecular clumps. Dedicated follow-up observation…
The EDGE-CALIFA survey: Star formation relationships for galaxies at different stages of their evolution
D. Colombo, V. Kalinova, Z. Bazzi +13
Galaxy evolution is largely driven by star formation activity or by the cessation of it, also called star formation quenching. In this paper, we present star formation scaling rela…
High resolution observations of 12CO and 13CO(3--2) toward the NGC 6334 extended filament
S. Neupane, F. Wyrowski, K. M. Menten +4
NGC 6334 is a giant molecular cloud complex with elongated filamentary structure, harbouring OB-stars, HII regions and star forming clumps. To study the emission and velocity struc…