ALMA reveals sunburn: CO dissociation around AGB stars in the globular cluster 47 Tucanae

Article, Preprint English OPEN
McDonald, Iain; Zijlstra, Albert A.; Lagadec, Eric; Sloan, Gregory C.; Boyer, Martha L.; Matsuura, Mikako; Smith, Rowan J.; Smith, Christina L.; Yates, Jeremy A.; van Loon, Jacco Th.; Jones, Olivia C.; Ramstedt, Sofia; Avison, Adam; Justtanont, Kay; Olofsson, Hans; Blommaert, Joris A. D. L.; Goldman, Steven R.; Groenewegen, Martin A. T.;
  • Publisher: Oxford University Press
  • Related identifiers: doi: 10.1093/mnras/stv1968
  • Subject: Astrophysics - Solar and Stellar Astrophysics | winds [stars] | Astrophysics - Astrophysics of Galaxies | mass-loss [stars] | outflows | AGB and post-AGB [stars] | individual: NGC 104 [globular clusters] | QB | circumstellar matter | stars [infrared] | Astronomy, Astrophysics and Cosmology | Astronomi, astrofysik och kosmologi
    arxiv: Astrophysics::Cosmology and Extragalactic Astrophysics | Astrophysics::Galaxy Astrophysics | Astrophysics::Earth and Planetary Astrophysics | Astrophysics::Solar and Stellar Astrophysics

Atacama Large Millimetre Array observations show a non-detection of carbon monoxide around the four most luminous asymptotic giant branch (AGB) stars in the globular cluster 47 Tucanae. Stellar evolution models and star counts show that the mass-loss rates from these st... View more