activity
20202026
most citedTracing the total molecular gas in galaxies: [CII] and the CO-dark gas

178 citations · 346 across the 31 of their papers we have counts for

collaborators

32 papers

astro-ph.GA2026

Quantifying the decline in CO(2-1) intensity around PHANGS-HST star clusters: Constraints on molecular gas dispersal, stellar feedback, and cluster formation efficiency

Hao He, Adam K. Leroy, Erik Rosolowsky +37

We combine the largest survey of star clusters in nearby galaxies to-date, PHANGS-HST, with maps of molecular gas maps from PHANGS-ALMA to constrain the efficiency of cluster forma…

astro-ph.GA2026

Investigating the ionization mechanisms powering the extreme emission lines in metal-poor galaxies

C. Daoutis, V. Lebouteiller, D. Schaerer +11

Extreme emission metal-poor galaxies (EEMPGs) are excellent local laboratories for understanding the extreme physical conditions and ionizing radiation fields in the early Universe…

astro-ph.GA2026

The PHANGS-Hα survey. Ground-based narrow-band imaging of nearby star-forming galaxies

Alessandro Razza, Guillermo A. Blanc, Brent Groves +36

We present PHANGS-Hα, a narrow-band imaging survey that maps Hα emission over a sample of 65 nearby massive star-forming galaxies. The data were obtained using the MPG-ESO 2.2-mete…

astro-ph.GA2026

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.…

astro-ph.GA2026

Stellar associations powering HII regions $\unicode{x2013}$ II. Escape fraction of ionizing photons

Fabian Scheuermann, Kathryn Kreckel, Jia Wei Teh +27

Newly formed stars have a profound impact on their environment by depositing energy and momentum into the surrounding gas. However, only a fraction of the stellar feedback is retai…

astro-ph.GA2025★ 2 cited

REBELS-IFU: on the origin of the elevated [OIII]/[CII] ratios in the early Universe

Hiddo Algera, Lucie Rowland, Renske Smit +26

We present new ALMA [OIII] observations of eight previously [CII]-detected galaxies at . Six of our targets -- the primary sample -- are…

astro-ph.GA2025

The Hidden Life of Stars: Embedded Beginnings to AGB Endings in the PHANGS-JWST Sample. I. Catalog of Mid-IR Sources

Hamid Hassani, Erik Rosolowsky, Adam K. Leroy +28

We present a multiwavelength catalog of mid-infrared-selected compact sources in 19 nearby galaxies, combining JWST NIRCam/MIRI, HST UV-optical broadband, H narrow-band, and ALM…

astro-ph.GA2025★ 5 cited

Duration and properties of the embedded phase of star formation in 37 nearby galaxies from PHANGS-JWST

Lise Ramambason, Mélanie Chevance, Jaeyeon Kim +32

Light reprocessed by dust grains emitting in the infrared allows the study of the physics at play in dusty, embedded regions, where ultraviolet and optical wavelengths are attenuat…

astro-ph.GA2025

Time-scales of polycyclic aromatic hydrocarbon and dust continuum emission from gas clouds compared to molecular gas cloud lifetimes in PHANGS-JWST galaxies

Jaeyeon Kim, Mélanie Chevance, Lise Ramambason +24

Recent JWST mid-infrared (mid-IR) images, tracing polycyclic aromatic hydrocarbons (PAHs) and dust continuum emission, provide detailed views of the interstellar medium (ISM) in ne…

astro-ph.GA2025

The impact of spiral arms on the star formation life cycle

Andrea Romanelli, Mélanie Chevance, J. M. Diederik Kruijssen +18

The matter cycle between gas clouds and stars in galaxies plays a crucial role in regulating galaxy evolution through feedback mechanisms. In turn, the local and global galactic en…

astro-ph.GA2025★ 3 cited

Emission Line Diagnostics for IMBHs in Dwarf Galaxies: Accounting for BH Seeding and ULX Excitation

Chris T. Richardson, Jordan Wels, Kristen Garofali +13

Dwarf AGN serve as the ideal systems for identifying intermediate mass black holes (IMBHs) down to the most elusive regimes (). However, the ubiquitousl…

astro-ph.GA2025

JWST/MIRI detection of [Ne V] and [Ne VI] in M83: Evidence for the long sought-after AGN?

Svea Hernandez, Linda J. Smith, Logan H. Jones +16

We report the first detections of [Ne V] 14.3 μm and [Ne VI] 7.7 μm at high confidence (S/N>=6) in the nuclear region of the nearby spiral galaxy M83. Emission line maps of these h…

astro-ph.GA2024★ 7 cited

Physical Origins of Outflowing Cold Clouds in Local Star-forming Dwarf Galaxies

Zixuan Peng, Crystal L. Martin, Zirui Chen +10

We study the physical origins of outflowing cold clouds in a sample of 14 low-redshift dwarf ( ) galaxies from the COS Legacy Archive Spectros…

astro-ph.GA2024★ 1 cited

Recovering the properties of the interstellar medium through integrated spectroscopy: application to the z~0 ECO volume-limited star-forming galaxy sample

V. Lebouteiller, C. T. Richardson, M. S. Polimera +7

Deriving physical parameters from integrated galaxy spectra is paramount to interpret the cosmic evolution of star formation, chemical enrichment, and energetic sources. We develop…

astro-ph.GA2024★ 3 cited

Probing the heating of the neutral atomic interstellar medium in the Dwarf Galaxy Survey through infrared cooling lines

Maxime Varese, Vianney Lebouteiller, Lise Ramambason +3

Star formation in galaxies is regulated by dynamical and thermal processes. The photoelectric effect on small dust grains usually dominates the heating of the star-forming neutral…

astro-ph.GA2024

A JWST/MIRI View of the ISM in M83: I. Resolved Molecular Hydrogen Properties, Star Formation, and Feedback

Logan H. Jones, Svea Hernandez, Linda J. Smith +11

We present a spatially-resolved (~3 pc pix) analysis of the distribution, kinematics, and excitation of warm H2 gas in the nuclear starburst region of M83. Our JWST/MIRI IFU…

astro-ph.GA2024★ 1 cited

Electron density distribution in HII regions in IC10

F. L. Polles, D. Fadda, W. D. Vacca +7

We present the [OIII]52μm map of the dwarf galaxy IC10, obtained with the Field-Imaging Far-Infrared Line Spectrometer (FIFI-LS) on board the Stratospheric Observatory for Infrared…

astro-ph.GA2024

The Fraction of Dust Mass in the Form of PAHs on 10-50 pc Scales in Nearby Galaxies

Jessica Sutter, Karin Sandstrom, Jérémy Chastenet +21

Polycyclic aromatic hydrocarbons (PAHs) are a ubiquitous component of the interstellar medium (ISM) in z~0 massive, star-forming galaxies and play key roles in ISM energy balance,…

astro-ph.GA2024

Do spiral arms enhance star formation efficiency?

Miguel Querejeta, Adam K. Leroy, Sharon E. Meidt +32

Spiral arms are some of the most spectacular features in disc galaxies, and also present in our own Milky Way. It has been argued that star formation should proceed more efficientl…

astro-ph.GA2024

Death of the Immortal Molecular Cloud: Resolution Dependence of the Gas-Star Formation Relation Rules out Decoupling by Stellar Drift

J. M. Diederik Kruijssen, Mélanie Chevance, Steven N. Longmore +3

Recent observations have demonstrated that giant molecular clouds (GMCs) are short-lived entities, surviving for the order of a dynamical time before turning a few percent of their…

astro-ph.GA2024★ 1 cited

PHANGS-JWST: Data Processing Pipeline and First Full Public Data Release

Thomas G. Williams, Janice C. Lee, Kirsten L. Larson +55

The exquisite angular resolution and sensitivity of JWST is opening a new window for our understanding of the Universe. In nearby galaxies, JWST observations are revolutionizing ou…

astro-ph.GA2023

A Two-Component Probability Distribution Function Describes the mid-IR Emission from the Disks of Star-Forming Galaxies

Debosmita Pathak, Adam K. Leroy, Todd A. Thompson +28

High-resolution JWST-MIRI images of nearby spiral galaxies reveal emission with complex substructures that trace dust heated both by massive young stars and the diffuse interstella…

astro-ph.GA2023

Infrared view of the multiphase ISM in NGC 253 II. Modelling the ionised and neutral atomic gas

André Beck, Vianney Lebouteiller, Suzanne C. Madden +9

Context. Multi-wavelength studies of galaxies and galactic nuclei allow us to build a relatively more complete picture of the interstellar medium (ISM), especially in the dusty reg…

astro-ph.GA2023★ 2 cited

Modeling the molecular gas content and CO-to-H2 conversion factors in low-metallicity star-forming dwarf galaxies

L. Ramambason, V. Lebouteiller, S. C. Madden +8

Low-metallicity dwarf galaxies often show no or little CO emission, despite the intense star formation observed in local samples. Both simulations and resolved observations indicat…