Massive stars in the galactic center quintuplet cluster [Elektronische Ressource] / von Adriane Liermann

Institut für Physik und AstronomieAstrophysikMassive stars in the GalacticCenterQuintuplet clusterDissertationzur Erlangung des akademischen GradesDoktor der Naturwissenschaften (Dr. rer. nat.)eingereicht an derMathematisch-Naturwissenschaftlichen Fakultätder Universität PotsdamvonAdriane LiermannPotsdam, Juni 2009This work is licensed under a Creative Commons License: Attribution - Noncommercial - No Derivative Works 3.0 Germany To view a copy of this license visit http://creativecommons.org/licenses/by-nc-nd/3.0/de/deed.en Published online at the Institutional Repository of the University of Potsdam: URL http://opus.kobv.de/ubp/volltexte/2009/3722/ URN urn:nbn:de:kobv:517-opus-37223 [http://nbn-resolving.org/urn:nbn:de:kobv:517-opus-37223] SummaryThe presented thesis describes the observations of the Galactic center Quintuplet cluster, thespectral analysis of the cluster Wolf-Rayet stars of the nitrogen sequence to determine theirfundamental stellar parameters, and discusses the obtained results in a general context.The Quintuplet cluster was discovered in one of the first infrared surveys of the Galacticcenter region (Okuda et al. 1987, 1989) and was observed for this project with the ESO-VLTnear-infrared integral field instrument SINFONISPIFFI.