David A. Williams

Observational Molecular Astronomy (eBook, ePUB)

Exploring the Universe Using Molecular Line Emissions

• Format: ePub

Produktbeschreibung

Molecular line emissions offer researchers exciting opportunities to learn about the evolutionary state of the Milky Way and distant galaxies. This text provides a detailed introduction to molecular astrophysics and an array of useful techniques for observing astronomical phenomena at millimetre and submillimetre wavelengths. After discussing the theoretical underpinnings of molecular observation, the authors catalogue suitable molecular tracers for many types of astronomical regions in local and distant parts of the Universe, including cold gas reservoirs primed for the formation of new stars, regions of active star formation, giant photon-dominated regions and near active galactic nuclei. Further chapters demonstrate how to obtain useful astronomical information from raw telescope data while providing recommendations for appropriate observing strategies. Replete with maps, charts and references for further reading, this handbook will suit research astronomers and graduate students interested in broadening their skill to take advantage of the new facilities now coming online.

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Produktdetails

• Verlag: Cambridge University Press
• Erscheinungstermin: 25. November 2013
• Englisch
• ISBN-13: 9781107424043
• Artikelnr.: 52955360

Autorenporträt

David A. Williams is the Emeritus Perren Professor of Astronomy at University College London. A former president of the Royal Astronomical Society (2000-2) and recipient of the RAS's Gold Medal (2009), he has led research groups in Manchester and London, and has co-authored a number of texts on astrophysics and astrochemistry. His research interests centre on astrochemistry and using molecular line emissions to describe and understand the evolution of astronomical regions.

Inhaltsangabe

Introduction; 1. Spectra and excitation of molecules; 2. Astrochemical processes; 3. Physical processes in different astronomical environments; 4. Molecular tracers in the Milky Way galaxy; 5. Molecular tracers in external galaxies; 6. The Early Universe and the first galaxies; 7. Recipes for molecular submillimetre astronomy; 8. Chemical and radiative transfer models; 9. Observations: which molecule, which transition?

Rezensionen

'This book is an excellent introduction to the field of molecular line astrophysics. Williams and Viti cover the range of astrophysical conditions that can be probed, and the most useful molecules and transitions. The expositions are lucid, and each chapter directs the reader to papers and books for further study, and to websites where up-to-date molecular data are available. Observational Molecular Astronomy will be a valuable guide to both graduate students and researchers.' Bruce T. Draine, Princeton University