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astro-ph2000
Blue horizontal branch stars in metal-rich globular clusters. II. 47 Tuc and NGC 362
S. Moehler, W. B. Landsman, B. Dorman
Atmospheric parameters (effective temperature, surface gravity) and radial velocities are derived for 12 candidate blue horizontal branch (HB) stars in the globular clusters 47 Tuc…
astro-ph2000
Hot HB stars in globular clusters - Physical parameters and consequences for theory. V. Radiative levitation versus helium mixing
S. Moehler, A. V. Sweigart, W. B. Landsman +1
Atmospheric parameters (effective temperature Teff, surface gravity log g), masses and helium abundances are derived for 42 hot horizontal branch (HB) stars in the globular cluster…
astro-ph2000
First VLT spectra of white dwarfs in a globular cluster
S. Moehler, U. Heber, R. Napiwotzki +2
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 evoluti…