328 citations · 432 across the 4 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-ph2006★ 328 cited
The Galactic WN stars: Spectral analyses with line-blanketed model atmospheres versus stellar evolution models with and without rotation
W. -R. Hamann, G. Graefener, A. Liermann
CONTEXT: Very massive stars pass through the Wolf-Rayet (WR) stage before they finally explode. Details of their evolution have not yet been safely established, and their physics a…