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Water in Comets: Observations and Models

Published online by Cambridge University Press:  30 March 2016

Jacques Crovisier
Jacques Crovisier*
Affiliation:
Observatoire de Paris, F-92195 Meudon, France

Abstract

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Cometary water, the main constituent of nucleus ices, is difficult to observe directly. Breakthroughs were made recently using new ground based infrared instruments and space techniques (ISO and SWAS) on comets C/1996 B2 (Hyakutake), C/1995 01 (Hale-Bopp), 103P/Hartley 2, and C/1999 H1 (Lee): observations of water hot bands, of water rotational lines, and measurements of the [D]/[H] ratio and ortho-to-para ratio of water. We discuss the laboratory data necessary to model the water spectrum and to interpret these observations.

Type
II. Joint Discussions
Information
Highlights of Astronomy , Volume 12: Highlights of Astronomy. As presented at the XXIVth General Assembly of the IAU, 2000 , 2002 , pp. 73 - 75
Copyright
Copyright © Astronomical Society of Pacific 2002

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