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2010•Astronomy and AstrophysicsOpen access

Probing the mass-loss history of AGB and red supergiant stars from CO rotational line profiles

E. De Beck, L. Decin, A. de Koter, K. Justtanont, Tijl Verhoelst, F. Kemper, K. M. Menten

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Abstract

Context. The evolution of intermediate and low-mass stars on the asymptotic giant branch is dominated by their strong dust-driven winds. More massive stars evolve into red supergiants with a similar envelope structure and strong wind. These stellar winds are a prime source for the chemical enrichment of the interstellar medium.

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Context. The evolution of intermediate and low-mass stars on the asymptotic giant branch is dominated by their strong dust-driven winds. More massive stars evolve into red supergiants with a similar envelope structure and strong wind. These stellar winds are a prime source for the chemical enrichment of the interstellar medium.

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Available abstract

Context. The evolution of intermediate and low-mass stars on the asymptotic giant branch is dominated by their strong dust-driven winds. More massive stars evolve into red supergiants with a similar envelope structure and strong wind. These stellar winds are a prime source for the chemical enrichment of the interstellar medium.

Key concepts: Stars, Astrophysics, Physics, Radiative transfer, Asymptotic giant branch, Red supergiant, Line (geometry), Supergiant

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