A. Liermann
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View article: The Galactic WN stars revisited. Impact of Gaia distances on fundamental stellar parameters
The Galactic WN stars revisited. Impact of Gaia distances on fundamental stellar parameters Open
Comprehensive spectral analyses of the Galactic Wolf-Rayet stars of the nitrogen sequence (i.e.\ the WN subclass) have been performed in a previous paper. However, the distances of these objects were poorly known. Distances have a direct i…
View article: Numerical simulations and infrared spectro-interferometry reveal the wind collision region in γ2 Velorum
Numerical simulations and infrared spectro-interferometry reveal the wind collision region in γ2 Velorum Open
Colliding stellar winds in massive binary systems have been studied through their radio, optical lines and strong X-ray emission for decades. More recently, near-infrared spectro-interferometric observations have become available in a few …
View article: Analysis of the WN star WR 102c, its WR nebula, and the associated cluster of massive stars in the Sickle Nebula
Analysis of the WN star WR 102c, its WR nebula, and the associated cluster of massive stars in the Sickle Nebula Open
\n Context. The massive Wolf-Rayet type star WR 102c is located near the Quintuplet Cluster, one of the three massive star clusters in the Galactic centre region. Previous studies indicated that WR 102c may have a dusty circumstellar nebul…