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 …

PHANGS–ALMA: Arcsecond CO (2–1) Imaging of Nearby Star-forming Galaxies

AK Leroy, E Schinnerer, A Hughes… - The Astrophysical …, 2021 - iopscience.iop.org
We present PHANGS–ALMA, the first survey to map CO J= 2→ 1 line emission at∼ 1''∼ 100
pc spatial resolution from a representative sample of 90 nearby (d≲ 20 Mpc) galaxies that lie …

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 …

Stellar structures, molecular gas, and star formation across the PHANGS sample of nearby galaxies

M Querejeta, E Schinnerer, S Meidt, J Sun… - Astronomy & …, 2021 - aanda.org
We identify stellar structures in the PHANGS sample of 74 nearby galaxies and construct
morphological masks of sub-galactic environments based on Spitzer 3.6 μm images. At the …

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 …

Low-J CO Line Ratios from Single-dish CO Mapping Surveys and PHANGS-ALMA

AK Leroy, E Rosolowsky, A Usero… - The Astrophysical …, 2022 - iopscience.iop.org
We measure the low-J CO line ratios R 21≡ CO (2–1)/CO (1–0), R 32≡ CO (3–2)/CO (2–1),
and R 31≡ CO (3–2)/CO (1–0) using whole-disk CO maps of nearby galaxies. We draw CO …

Star formation scaling relations at∼ 100 pc from PHANGS: Impact of completeness and spatial scale

I Pessa, E Schinnerer, F Belfiore, E Emsellem… - Astronomy & …, 2021 - aanda.org
Aims. The complexity of star formation at the physical scale of molecular clouds is not yet
fully understood. We investigate the mechanisms regulating the formation of stars in different …

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 …