63 citations · 102 across the 3 of their papers we have counts for
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astro-ph2008★ 63 cited
The Quintuplet Cluster I. A K-band spectral catalog of stellar sources
A. Liermann, W. -R. Hamann, L. M. Oskinova
Three very massive clusters are known to reside in the Galactic Center region, the Arches cluster, the Quintuplet cluster and the Central parsec cluster. We obtained spectroscopic…
astro-ph2007★ 5 cited
Revised element abundances for WC-type central stars
H. Todt, G. Gräfener, W. -R. Hamann
According to previous spectral analyses of Wolf-Rayet type central stars, late [WC] subtypes show systematically higher carbon-to-helium abundance ratios than early [WC] subtypes.…
astro-ph2004
X-ray emission lines from inhomogeneous stellar winds
L. M. Oskinova, A. Feldmeier, W. -R. Hamann
It is commonly adopted that X-rays from O stars are produced deep inside the stellar wind, and transported outwards through the bulk of the expanding matter which attenuates the ra…