Circumstellar Disks and Envelopes around Young Low-mass Stars
Observing the Cradles of Future Planetary Systems in the Milky Way
(Sprache: Englisch)
How do stars - like our sun - form? Where do planets comefrom? - In the last years astronomers were able to uncover some of the fundamental processes related to these very questions. It showed that circumstellar disks and envelopes of gas, dust and icesare...
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How do stars - like our sun - form? Where do planets comefrom? - In the last years astronomers were able to uncover some of the fundamental processes related to these very questions. It showed that circumstellar disks and envelopes of gas, dust and icesare a natural by product of the formation process of young stars. These objects grow then more massive by accreting material from thedisk, which itself is fed by the envelope in the early phases. Inthe course of several million years, the envelope is dispersed, infall onto the disk comes to a hold, and most matter is eitheraccreted onto the young star or possibly built into planets. In this book, astronomical observations of young low-mass stars are presented. Using data from modern telescopes the surrounding accretion disks and envelopes are investigated, and physical parameters, their possible dust compositions, and ice propertiesare derived. Some of the young stars seem to have masses in the range of only several Jupiter masses and might be among the least massive free-floating objects known today. This book is intended for students in physics or astronomy who are interested in the formation of stars and planets.
Autoren-Porträt von Sascha P. Quanz
Dr. Sascha P. Quanz studied Physics and Astronomy at the University of Heidelberg and the Max Planck Institute for Astronomy in Heidelberg and graduated in summer 2007 with summa cum laude. His main field of research is the formation of stars and planets which is also reflected in the publication of numerous articles in scientific journals.
Bibliographische Angaben
- Autor: Sascha P. Quanz
- 2008, 172 Seiten, Maße: 15 x 22 cm, Kartoniert (TB), Englisch
- Verlag: VDM Verlag Dr. Müller
- ISBN-10: 3639010159
- ISBN-13: 9783639010152
Sprache:
Englisch
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