Molecular Gas and the Star-Formation Process on Cloud Scales in Nearby Galaxies

E Schinnerer, AK Leroy - Annual Review of Astronomy and …, 2024 - annualreviews.org
Observations that resolve nearby galaxies into individual regions across multiple phases of
the gas–star formation feedback “matter cycle” have provided a sharp new view of molecular …

Molecular cloud populations in the context of their host galaxy environments: a multiwavelength perspective

J Sun, AK Leroy, E Rosolowsky, A Hughes… - The Astronomical …, 2022 - iopscience.iop.org
We present a rich, multiwavelength, multiscale database built around the PHANGS–ALMA
CO (2− 1) survey and ancillary data. We use this database to present the distributions of …

Environmental dependence of the molecular cloud lifecycle in 54 main-sequence galaxies

J Kim, M Chevance, JMD Kruijssen… - Monthly Notices of …, 2022 - academic.oup.com
The processes of star formation and feedback, regulating the cycle of matter between gas
and stars on the scales of giant molecular clouds (GMCs;∼ 100 pc), play a major role in …

Star formation laws and efficiencies across 80 nearby galaxies

J Sun, AK Leroy, EC Ostriker, S Meidt… - The Astrophysical …, 2023 - iopscience.iop.org
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 …

PHANGS–JWST First Results: Variations in PAH Fraction as a Function of ISM Phase and Metallicity

J Chastenet, J Sutter, K Sandstrom… - The Astrophysical …, 2023 - iopscience.iop.org
We present maps tracing the fraction of dust in the form of polycyclic aromatic hydrocarbons
(PAHs) in IC 5332, NGC 628, NGC 1365, and NGC 7496 from JWST/MIRI observations. We …

A CO isotopologue Line Atlas within the Whirlpool galaxy Survey (CLAWS)

JS den Brok, F Bigiel, K Sliwa, T Saito, A Usero… - Astronomy & …, 2022 - aanda.org
We present the CO isotopologue Line Atlas within the Whirpool galaxy Survey (CLAWS),
which is based on an IRAM 30 m large programme that provides a benchmark study of …

PHANGS–JWST First Results: Measuring Polycyclic Aromatic Hydrocarbon Properties across the Multiphase Interstellar Medium

J Chastenet, J Sutter, K Sandstrom… - The Astrophysical …, 2023 - iopscience.iop.org
Ratios of polycyclic aromatic hydrocarbon (PAH) vibrational bands are a promising tool for
measuring the properties of the PAH population and their effect on star formation. The …

The Physical Drivers and Observational Tracers of CO-to-H2 Conversion Factor Variations in Nearby Barred Galaxy Centers

YH Teng, KM Sandstrom, J Sun, M Gong… - The Astrophysical …, 2023 - iopscience.iop.org
The CO-to-H 2 conversion factor (α CO) is central to measuring the amount and properties of
molecular gas. It is known to vary with environmental conditions, and previous studies have …

PHANGS–JWST First Results: Tracing the Diffuse Interstellar Medium with JWST Imaging of Polycyclic Aromatic Hydrocarbon Emission in Nearby Galaxies

KM Sandstrom, EW Koch, AK Leroy… - The Astrophysical …, 2023 - iopscience.iop.org
JWST observations of polycyclic aromatic hydrocarbon (PAH) emission provide some of the
deepest and highest resolution views of the cold interstellar medium (ISM) in nearby …

WISDOM Project–X. The morphology of the molecular ISM in galaxy centres and its dependence on galaxy structure

TA Davis, J Gensior, M Bureau… - Monthly Notices of …, 2022 - academic.oup.com
We use high-resolution maps of the molecular interstellar medium (ISM) in the centres of 86
nearby galaxies from the millimetre-Wave Interferometric Survey of Dark Object Masses …