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February 5, 20260 citations

Interplay of Dust and Gas Phases in Star-Forming Galaxies

Exploring the interplay of dust and gas phases in DustPedia star-forming galaxies

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Authors

FSFrancesco SalvestriniSBSimone BianchiECEdvige Corbelli

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Overview

Research explores gas and dust interactions in galaxies, indicating ways to understand star formation.

Key Points

  • This research aims to examine the relationships between different phases of the interstellar medium and galaxy properties, particularly focusing on molecular gas.
  • Analyzed CO maps covering at least 70% of the optical extent for 121 late-type galaxies.
  • Determined global molecular gas mass (MH2) based on CO mapping.
  • Investigated scaling relations between MH2, star formation rate (SFR), and stellar mass (M⋆).
  • Examined correlations between ISM components and mid- and far-infrared luminosities.
  • Correlations between MH2 and SFR, and M⋆ show large scatter due to quenching effects.
  • Total gas mass has the closest association with dust mass.
  • Molecular gas also correlates well with dust when using map-based MH2 estimates.
  • Mid- and far-infrared luminosities can serve as proxies for molecular gas in cases lacking observations.

Cite This Study

Salvestrini et al. (2025) studied this question.

synapsesocial.com/papers/6984343ff1d9ada3c1fb21d7https://doi.org/10.1051/0004-6361/202554480/pdf
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