Ionization Feedback in Massive Star Formation

Ionization Feedback in Massive Star Formation

EnglishPaperback / softbackPrint on demand
Peters, Thomas
Südwestdeutscher Verlag für Hochschulschriften
EAN: 9783838117836
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Understanding the origin of high-mass stars is central to modern astrophysics. We shed light on this problem using novel radiation-hydrodynamic simulations that consistently follow the gravitational collapse of a massive molecular cloud, the subsequent build-up and fragmentation of the accretion disk surrounding the nascent star, and, for the first time, the interaction between its intense UV radiation field and the infalling material. We show that ionization feedback can neither stop protostellar mass growth nor suppress fragmentation. We present a consistent picture of the formation and evolution of H II regions that explains the observed morphology, time variability, and ages of ultracompact H II regions, solving the long-standing lifetime problem.
EAN 9783838117836
ISBN 3838117832
Binding Paperback / softback
Publisher Südwestdeutscher Verlag für Hochschulschriften
Publication date November 28, 2010
Pages 152
Language English
Dimensions 229 x 152 x 9
Readership General
Authors Peters, Thomas