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The KMOS Survey: Investigating the Origin of the Elevated Electron Densities in Star-Forming Galaxies at
Rebecca L. Davies, N. M. Förster Schreiber, R. Genzel +24
We investigate what drives the redshift evolution of the typical electron density () in star-forming galaxies, using a sample of 140 galaxies drawn primarily from KMOS$^{\rm 3…
Distances to PHANGS Galaxies: New Tip of the Red Giant Branch Measurements and Adopted Distances
Gagandeep S. Anand, Janice C. Lee, Schuyler D. Van Dyk +29
PHANGS-HST is an ultraviolet-optical imaging survey of 38 spiral galaxies within ~20 Mpc. Combined with the PHANGS-ALMA, PHANGS-MUSE surveys and other multiwavelength data, the dat…
On the duration of the embedded phase of star formation
Jaeyeon Kim, Mélanie Chevance, J. M. Diederik Kruijssen +23
Feedback from massive stars plays a key role in molecular cloud evolution. After the onset of star formation, the young stellar population is exposed by photoionization, winds, sup…
Resolving the Dust-to-Metals Ratio and CO-to-H Conversion Factor in the Nearby Universe
I-Da Chiang, Karin M. Sandstrom, Jérémy Chastenet +8
We investigate the relationship between the dust-to-metals ratio (D/M) and the local interstellar medium environment at ~2 kpc resolution in five nearby galaxies: IC342, M31, M33,…
Pre-supernova feedback mechanisms drive the destruction of molecular clouds in nearby star-forming disc galaxies
Mélanie Chevance, J. M. Diederik Kruijssen, Mark R. Krumholz +28
It is a major open question which physical processes stop the accretion of gas onto giant molecular clouds (GMCs) and limit the efficiency at which gas is converted into stars with…
Measuring the mixing scale of the ISM within nearby spiral galaxies
Kathryn Kreckel, I-Ting Ho, Guillermo A. Blanc +28
The spatial distribution of metals reflects, and can be used to constrain, the processes of chemical enrichment and mixing. Using PHANGS-MUSE optical integral field spectroscopy, w…
Molecular Gas Properties on Cloud Scales Across the Local Star-forming Galaxy Population
Jiayi Sun, Adam K. Leroy, Eva Schinnerer +34
Using the PHANGS-ALMA CO (2-1) survey, we characterize molecular gas properties on 100 pc scales across 102,778 independent sightlines in 70 nearby galaxies. This yields th…
DeGaS-MC: Dense Gas Survey in the Magellanic Clouds I -- An APEX survey of HCO+ and HCN(2-1) toward the LMC and SMC
M. Galametz, A. Schruba, C. De Breuck +9
Investigating star formation requires precise knowledge of the properties of the dense molecular gas. The low metallicity and wide range of star formation activity of the Large and…
Towards a multi-tracer timeline of star formation in the LMC -- I.\ Deriving the lifetimes of H\,{\sc i} clouds
Jacob L. Ward, Mélanie Chevance, J. M. Diederik Kruijssen +3
The time-scales associated with the various stages of the star formation process remain poorly constrained. This includes the earliest phases of star formation, during which molecu…
Ubiquitous velocity fluctuations throughout the molecular interstellar medium
J. D. Henshaw, J. M. D. Kruijssen, S. N. Longmore +23
The density structure of the interstellar medium (ISM) determines where stars form and release energy, momentum, and heavy elements, driving galaxy evolution. Density variations ar…
PHANGS CO kinematics: disk orientations and rotation curves at 150 pc resolution
Philipp Lang, Sharon E. Meidt, Erik Rosolowsky +24
We present kinematic orientations and high resolution (150 pc) rotation curves for 67 main sequence star-forming galaxies surveyed in CO (2-1) emission by PHANGS-ALMA. Our measurem…
From Nuclear to Circumgalactic: Zooming in on AGN-Driven Outflows at z~2.2 with SINFONI
Rebecca L. Davies, N. M. Förster Schreiber, D. Lutz +16
We use deep adaptive optics assisted integral field spectroscopy from SINFONI on the VLT to study the spatially resolved properties of ionized gas outflows driven by active galacti…
When Gas Dynamics Decouples from Galactic Rotation: Characterizing ISM Circulation in Disk Galaxies
Jose Utreras, Guillermo A. Blanc, Andres Escala +10
In galactic disks, galactic rotation sets the bulk motion of gas, and its energy and momentum can be transferred toward small scales. Additionally, in the interstellar medium, rand…
Dynamical Equilibrium in the Molecular ISM in 28 Nearby Star-Forming Galaxies
Jiayi Sun, Adam K. Leroy, Eve C. Ostriker +26
We compare the observed turbulent pressure in molecular gas, , to the required pressure for the interstellar gas to stay in equilibrium in the gravitational potent…
A model for the onset of self-gravitation and star formation in molecular gas governed by galactic forces: II. the bottleneck to collapse set by cloud-environment decoupling
Sharon E. Meidt, Simon C. O. Glover, J. M. Diederik Kruijssen +12
In Meidt et al. (2018), we showed that gas kinematics on the scale of individual molecular clouds are not dominated by self-gravity but also track a component that originates with…