263 citations · 5k across the 188 of their papers we have counts for
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Tracing the earliest stages of star and cluster formation in 19 nearby galaxies with PHANGS-JWST and HST: compact 3.3 m PAH emitters and their relation to the optical census of star clusters
M. Jimena Rodríguez, Janice C. Lee, Remy Indebetouw +25
The earliest stages of star and cluster formation are hidden within dense cocoons of gas and dust, limiting their detection at optical wavelengths. With the unprecedented infrared…
CO-to-H conversion factor and grain size distribution through the analysis of - relation
I-Da Chiang, Hiroyuki Hirashita, Jeremy Chastenet +5
The CO-to-H conversion factor () is expected to vary with dust abundance and grain size distribution through the efficiency of shielding gas from CO-dissociation…
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…
Dynamical resonances in PHANGS galaxies
Marina Ruiz-García, Miguel Querejeta, Santiago García-Burillo +13
Bars are remarkable stellar structures that can transport gas toward centers and drive the secular evolution of galaxies. In this context, it is important to locate dynamical reson…
The Resolved Behavior of Dust Mass, Polycyclic Aromatic Hydrocarbon Fraction, and Radiation Field in ~ 800 Nearby Galaxies
Jérémy Chastenet, Karin M. Sandstrom, Adam K. Leroy +8
We present resolved m dust spectral energy distribution (SED) fitting for nearby galaxies. We measure the distribution of radiation field intensities heating…
PHANGS-ML: the universal relation between PAH band and optical line ratios across nearby star-forming galaxies
Dalya Baron, Karin Sandstrom, Jessica Sutter +22
The structure and chemistry of the dusty interstellar medium (ISM) are shaped by complex processes that depend on the local radiation field, gas composition, and dust grain propert…
Machine learning the gap between real and simulated nebulae: A domain-adaptation approach to classify ionised nebulae in nearby galaxies
Francesco Belfiore, Michele Ginolfi, Guillermo Blanc +8
Classifying ionised nebulae in nearby galaxies is crucial to studying stellar feedback mechanisms and understanding the physical conditions of the interstellar medium. This classif…
A First-look at Spatially-resolved Infrared Supernova Remnants in M33 with JWST
Sumit K. Sarbadhicary, Erik Rosolowsky, Adam K. Leroy +12
We present the first spatially-resolved infrared images of supernova remnants (SNRs) in M33 with the unprecedented sensitivity and resolution of JWST. We analyze 40 SNRs in four JW…
Polycyclic Aromatic Hydrocarbon and CO(2-1) Emission at 50-150 pc Scales in 70 Nearby Galaxies
Ryan Chown, Adam K. Leroy, Karin Sandstrom +44
Combining Atacama Large Millimeter/sub-millimeter Array CO(2-1) mapping and JWST near- and mid-infrared imaging, we characterize the relationship between CO(2-1) and polycyclic aro…
Metallicity calibrations based on auroral lines from PHANGS-MUSE data
Matilde Brazzini, Francesco Belfiore, Michele Ginolfi +13
We present a chemical analysis of selected HII regions from the PHANGS-MUSE nebular catalogue. Our intent is to empirically re-calibrate strong-line diagnostics of gas-phase metall…
McFine: python-based Monte-Carlo multi-component hyperfine structure fitting
Thomas G. Williams, Elizabeth J. Watkins
Modelling complex line emission in the interstellar medium (ISM) is a degenerate, high-dimensional problem. Here, we present McFine, a tool for automated multi-component fitting of…
JWST MIRI and NIRCam observations of NGC 891 and its circumgalactic medium
Jérémy Chastenet, Ilse De Looze, Monica Relaño +37
We present new JWST observations of the nearby, prototypical edge-on, spiral galaxy NGC 891. The northern half of the disk was observed with NIRCam in its F150W and F277W filters.…
The Local Group L-Band Survey: The First Measurements of Localized Cold Neutral Medium Properties in the Low-Metallicity Dwarf Galaxy NGC 6822
Nickolas M. Pingel, Hongxing Chen, Snežana Stanimirović +15
Measuring the properties of the cold neutral medium (CNM) in low-metallicity galaxies provides insight into heating and cooling mechanisms in early Universe-like environments. We r…
Neutral atomic and molecular gas dynamics in the nearby spiral galaxies NGC 1512, NGC 4535, and NGC 7496
Sebastian Laudage, Cosima Eibensteiner, Frank Bigiel +20
Neutral atomic gas (HI) effectively traces galactic dynamics across mid to large galactocentric radii. However, its limitations in observing small-scale changes within the central…
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…
A 260 pc resolution ALMA map of HCN(1-0) in the galaxy NGC 4321
Lukas Neumann, Frank Bigiel, Ashley T. Barnes +24
The star formation rate (SFR) is tightly connected to the amount of dense gas in molecular clouds. However, it is not fully understood how the relationship between dense molecular…
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,…
Discovery of 2200 new supernova remnants in 19 nearby star-forming galaxies with MUSE spectroscopy
Jing Li, K. Kreckel, S. Sarbadhicary +18
We present the largest extragalactic survey of supernova remnant (SNR) candidates in nearby star-forming galaxies using exquisite spectroscopic maps from MUSE. Supernova remnants e…
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…
H-alpha emission and HII regions at the locations of recent supernovae in nearby galaxies
Ness Mayker Chen, Adam K. Leroy, Sumit K. Sarbadhicary +22
We present a statistical analysis of the local, approximately 50-100 pc scale, H-alpha emission at the locations of recent (less than 125 years) supernovae (SNe) in nearby star-for…
MHONGOOSE -- A MeerKAT Nearby Galaxy HI Survey
W. J. G. de Blok, J. Healy, F. M. Maccagni +57
The MHONGOOSE (MeerKAT HI Observations of Nearby Galactic Objects: Observing Southern Emitters) survey maps the distribution and kinematics of the neutral atomic hydrogen (HI) gas…
PHANGS-HST: Globular Cluster Systems in 17 Nearby Spiral Galaxies
Matthew Floyd, Rupali Chandar, Bradley C. Whitmore +18
We present new catalogs of likely globular clusters (GCs) in 17 nearby spiral galaxies studied as part of the PHANGS-HST Treasury Survey. The galaxies were imaged in five broad-ban…
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…
PHANGS-HST catalogs for 100,000 star clusters and compact associations in 38 galaxies: I. Observed properties
Daniel Maschmann, Janice C. Lee, David A. Thilker +24
We present the largest catalog to-date of star clusters and compact associations in nearby galaxies. We have performed a V-band-selected census of clusters across the 38 spiral gal…