First VLT spectra of white dwarfs in a globular cluster

S. Moehler , U. Heber , R. Napiwotzki (Dr. Remeis-Sternwarte Bamberg) , D. Koester (Institut fuer Theoretische Physik und Astrophysik Kiel) , A. Renzini (ESO)

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classification 🌌 astro-ph

keywords globularwhitedwarfsclusterclustersdistancefirstobtained

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We present the first spectra obtained with the Very Large Telescope for white dwarfs in a globular cluster. Estimates of atmospheric parameters are obtained and compared to evolutionary tracks. We discuss possible implications for the distance scale of globular clusters and white dwarf evolution and demonstrate how white dwarfs might be used to establish an independent distance scale to globular clusters.

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First VLT spectra of white dwarfs in a globular cluster

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