Supernova Dust Destruction Influenced by Environment
Published:Dec 31, 2025 07:05
•1 min read
•ArXiv
Analysis
This paper investigates how the destruction of interstellar dust by supernovae is affected by the surrounding environment, specifically gas density and metallicity. It highlights two regimes of dust destruction and quantifies the impact of these parameters on the amount of dust destroyed. The findings are relevant for understanding dust evolution in galaxies and the impact of supernovae on the interstellar medium.
Key Takeaways
- •Dust destruction in supernova remnants is highly dependent on the ambient gas density and metallicity.
- •Two regimes of dust destruction exist: rapid in dense environments and gradual in low-density environments.
- •Dust mass destroyed is logarithmically reduced with increasing ambient gas density.
- •Dust cooling can suppress dust destruction.
- •Dust mass is linearly proportional to gas metallicity.
- •Destruction efficiency is higher in low-metallicity environments.
Reference
“The paper finds that the dust mass depends linearly on gas metallicity and that destruction efficiency is higher in low-metallicity environments.”