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Optical and Infrared Observations of Stellar Mass Loss in Globular Cluster Red Giants
Iain McDonald, Jacco Th. van Loon
We are examining mass loss from globular clusters giant stars, focussing on metallicity dependance. We present three sets of observations: TIMMI-2 mid-IR spectra of 47 Tuc, UVES hi…
The impact of red giant mass loss on star cluster evolution
Jacco Th. van Loon, Iain McDonald
We discuss the importance for the long-term cluster evolution of the mass loss from intermediate-mass stars (0.8-8 Msun). We present constraints on the mass loss from red giants in…
The first 8-13 micron spectra of globular cluster red giants: circumstellar silicate dust grains in 47 Tucanae (NGC 104)
Jacco Th. van Loon, Iain McDonald, Joana M. Oliveira +5
We present 8-13 micron spectra of eight red giants in the globular cluster 47 Tucanae (NGC 104), obtained at the European Southern Observatory 3.6m telescope. These are the first m…