Quantifying the decline in CO(2-1) intensity around PHANGS-HST star clusters: Constraints on molecular gas dispersal, stellar feedback, and cluster formation efficiency

arXiv:2609.31838 · astro-ph.GA · Submitted 2026-09-25 · Read on arXiv

astro-ph.GA

Submitted: 2026-09-25

Updated: 2026-09-25

Terminology

• Stellar Feedback — 24× in this paper · explained in 2 episodes
• Velocity Dispersion — 7× in this paper · explained in 2 episodes
• Trace — 5× in this paper · explained in 2 episodes
• Adam — 3× in this paper · explained in 2 episodes
• Clustering — 3× in this paper · explained in 2 episodes
• Degeneracy — 3× in this paper · explained in 3 episodes
• Anti-correlation — 1× in this paper · explained in 3 episodes
• Aperture — 1× in this paper · explained in 1 episode
• Aperture Photometry — 1× in this paper · explained in 1 episode
• Cooperation — 1× in this paper · explained in 2 episodes
• Core — 1× in this paper · explained in 2 episodes
• Elias — 1× in this paper · explained in 2 episodes
• Mass Segregation — 1× in this paper · explained in 2 episodes
• Selection Bias — 1× in this paper · explained in 4 episodes

Sources

• The CO-to-H2 Conversion Factor
• The Milky Way Joins the Extragalactic World: I. PHANGS
• Stellar Feedback in Molecular Clouds and its Influence on the Mass Function of Young Star Clusters
• When Feedback Fails: The Scaling and Saturation of Star Formation Efficiency
• The Structure of Molecular Gas in PHANGS-ALMA Galaxies: Cloud Spacing, Two-Point Correlation and Stacked Intensity Profiles
• Observational Evidence of Dynamic Star Formation Rate in Milky Way Giant Molecular Clouds
• PHANGS-ALMA: Arcsecond CO(2-1) Imaging of Nearby Star-Forming Galaxies
• Theory of Star Formation
• The Gas-Star Formation Cycle in Nearby Star-forming Galaxies II. Resolved Distributions of CO and H$\alpha$ Emission for 49 PHANGS Galaxies
• The PHANGS-H{\alpha} survey. Ground-based narrow-band imaging of nearby star-forming galaxies
• The Environmental Dependence of Star Cluster Demographics
• Rhea-RT: Dynamical impact of Central Molecular Zone conditions on the properties of the interstellar medium and stellar feedback coupling
• ALMA Observations of the Antennae Galaxies: I. A New Window on a Prototypical Merger

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