activity
20162026
most citedDynamical Equilibrium in the Molecular ISM in 28 Nearby Star-Forming Galaxies

146 citations · 1.8k across the 47 of their papers we have counts for

collaborators

45 papers

astro-ph.GA2026

The fragmentation properties of massive star-forming regions in 30Dor-10 at 2000 au resolution

A. Traficante, M. J. Jimenez-Donaire, R. Indebetouw +9

The fragmentation properties of parsec-scales clumps play a fundamental role in shaping the dense gas condensations known as cores, the immediate progenitor of stars. The distribut…

astro-ph.GA2025

Clumpy, dense gas in the outflow of NGC 1266

Justin Atsushi Otter, Katherine Alatalo, Kate Rowlands +23

Outflows are one of the most spectacular mechanisms through which active galactic nuclei (AGN) impact their host galaxy, though the role of AGN-driven outflows in global star forma…

astro-ph.GA2025★ 4 cited

Multiphase Astrophysics to Unveil the Virgo Environment (MAUVE)

Barbara Catinella, Luca Cortese, Jiayi Sun +26

The Multiphase Astrophysics to Unveil the Virgo Environment (MAUVE) project is a multi-facility programme exploring how dense environments transform galaxies. Combining a VLT/MUSE…

astro-ph.GA2025

Azimuthal offsets in spiral arms of nearby galaxies

Miguel Querejeta, Sharon E. Meidt, Yixian Cao +28

Spiral arms play a central role in disc galaxies, but their dynamical nature remains a long-standing open question. Azimuthal offsets between molecular gas and star formation are e…

astro-ph.GA2025

VERTICO IX: Signatures of environmental processing of the gas in Virgo cluster spiral galaxies through mapping of CO isotopologues

Timothy A. Davis, Toby Brown, Maria J. Jimenez-Donaire +12

In this work we study CO isotopologue emission in the largest cluster galaxy sample to date: 48 VERTICO spiral galaxies in Virgo. We show for the first time in a significant sample…

astro-ph.GA2025★ 4 cited

Low redshift post-starburst galaxies host abundant HI reservoirs

Sara L. Ellison, Qifeng Huang, Dong Yang +8

Studying the gas content of post-starburst (PSB) galaxies can provide valuable clues regarding the process of fast quenching. Although previous works have studied the molecular gas…

astro-ph.GA2025★ 2 cited

Surveying the Whirlpool at Arcseconds with NOEMA (SWAN) II: Survey design and observations

K. Sophia Stuber, Jerome Pety, Antonio Usero +18

We present Surveying the Whirlpool at Arcseconds with NOEMA (SWAN), a high-resolution, high-sensitivity survey to map molecular lines in the 3mm band in M51 (the Whirlpool galaxy).…

astro-ph.GA2025

Application of resolved low-J multi-CO line modeling with RADEX to constrain the molecular gas properties in the starburst M82

Valencia Zhang, Jakob den Brok, Qizhou Zhang +10

The distribution and physical conditions of molecular gas are closely linked to star formation and the subsequent evolution of galaxies. Emission from carbon monoxide (CO) and its…

astro-ph.GA2025★ 7 cited

Dense gas scaling relations at kiloparsec scales across nearby galaxies with the ALMA ALMOND and IRAM 30m EMPIRE surveys

Lukas Neumann, Maria J. Jimenez-Donaire, Adam K. Leroy +17

Dense, cold gas is the key ingredient for star formation. Over the last two decades, HCN(1-0) emission has been utilised as the most accessible dense gas tracer to study external g…

astro-ph.GA2024

CO isotopologue-derived molecular gas conditions and CO-to-H conversion factors in M51

Jakob den Brok, María J. Jiménez-Donaire, Adam Leroy +24

Over the past decade, several millimeter interferometer programs have mapped the nearby star-forming galaxy M51 at a spatial resolution of pc. This study combines observ…

astro-ph.GA2024★ 19 cited

PHANGS-MeerKAT and MHONGOOSE HI observations of nearby spiral galaxies: physical drivers of the molecular gas fraction,

Cosima Eibensteiner, Jiayi Sun, Frank Bigiel +36

The molecular-to-atomic gas ratio is crucial to the evolution of the interstellar medium in galaxies. We investigate the balance between the atomic () and molecular gas…

astro-ph.GA2024

The properties and kinematics of HCN emission across the closest starburst galaxy NGC 253 observed with ALMA

Ivana Beslic, Ashley T. Barnes, Frank Bigiel +21

Studying molecular gas in nearby galaxies using hydrogen cyanide (HCN) as a tracer for higher densities than CO emission still poses a significant challenge. Even though several ga…

astro-ph.GA2024

The ALMaQUEST Survey XII: Dense Molecular Gas as traced by HCN and HCO in Green Valley Galaxies

Lihwai Lin, Hsi-An Pan, Sara L. Ellison +11

We present ALMA observations of two dense gas tracers, HCN(1-0) and HCO(1-0), for three galaxies in the green valley and two galaxies on the star-forming main sequence with c…

astro-ph.GA2024

JWST Observations of Starbursts: Polycyclic Aromatic Hydrocarbon Emission at the Base of the M 82 Galactic Wind

Alberto D. Bolatto, Rebecca C. Levy, Elizabeth Tarantino +37

We present new observations of the central 1 kpc of the M 82 starburst obtained with the James Webb Space Telescope (JWST) near-infrared camera (NIRCam) instrument at a resolution…

astro-ph.GA2024

Hidden Gems on a Ring: Infant Massive Clusters and Their Formation Timeline Unveiled by ALMA, HST, and JWST in NGC 3351

Jiayi Sun, Hao He, Kyle Batschkun +38

We study young massive clusters (YMCs) in their embedded "infant" phase with ALMA, HST, and JWST observations targeting the central starburst ring in NGC…

astro-ph.GA2023

Star Formation Efficiency in Nearby Galaxies Revealed with a New CO-to-H2 Conversion Factor Prescription

Yu-Hsuan Teng, I-Da Chiang, Karin M. Sandstrom +24

Determining how galactic environment, especially the high gas densities and complex dynamics in bar-fed galaxy centers, alters the star formation efficiency (SFE) of molecular gas…

astro-ph.GA2023

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…

astro-ph.GA2023★ 9 cited

VERTICO VI: Cold-gas asymmetries in Virgo cluster galaxies

Ian D. Roberts, Toby Brown, Nikki Zabel +20

We analyze cold-gas distributions in Virgo cluster galaxies using resolved CO(2-1) (tracing molecular hydrogen, H2) and HI observations from the Virgo Environment Traced In CO (VER…

astro-ph.GA2023★ 16 cited

VERTICO V: The environmentally driven evolution of the inner cold gas discs of Virgo cluster galaxies

Adam B. Watts, Luca Cortese, Barbara Catinella +18

The quenching of cluster satellite galaxies is inextricably linked to the suppression of their cold interstellar medium (ISM) by environmental mechanisms. While the removal of neut…

astro-ph.GA2023★ 100 cited

Star Formation Laws and Efficiencies across 80 Nearby Galaxies

Jiayi Sun, Adam K. Leroy, Eve C. Ostriker +37

We measure empirical relationships between the local star formation rate (SFR) and properties of the star-forming molecular gas on 1.5 kpc scales across 80 nearby galaxies. These r…

astro-ph.GA2023★ 35 cited

The ALMOND Survey: Molecular cloud properties and gas density tracers across 25 nearby spiral galaxies with ALMA

Lukas Neumann, Molly J. Gallagher, Frank Bigiel +28

We use new HCN(1-0) data from the ALMOND (ACA Large-sample Mapping Of Nearby galaxies in Dense gas) survey to trace the kpc-scale molecular gas density structure and CO(2-1) data f…

astro-ph.GA2023★ 9 cited

Sub-kiloparsec empirical relations and excitation conditions of HCN and HCO+ J=3-2 in nearby star-forming galaxies

Axel Garcia-Rodriguez, Antonio Usero, Adam K. Leroy +24

We present new HCN and HCO (=3-2) images of the nearby star-forming galaxies (SFGs) NGC 3351, NGC 3627, and NGC 4321. The observations, obtained with the Morita ALMA Compact…

astro-ph.GA2023★ 57 cited

PHANGS-JWST First Results: Mid-infrared emission traces both gas column density and heating at 100 pc scales

Adam K. Leroy, Karin Sandstrom, Erik Rosolowsky +48

We compare mid-infrared (mid-IR), extinction-corrected H, and CO (2-1) emission at 70--160 pc resolution in the first four PHANGS-JWST targets. We report correlation strengths,…

astro-ph.GA2022★ 131 cited

The PHANGS-JWST Treasury Survey: Star Formation, Feedback, and Dust Physics at High Angular resolution in Nearby GalaxieS

Janice C. Lee, Karin M. Sandstrom, Adam K. Leroy +74

The PHANGS collaboration has been building a reference dataset for the multi-scale, multi-phase study of star formation and the interstellar medium in nearby galaxies. With the suc…