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The Spatial Distribution of Ices in Star-Forming Regions

Published online by Cambridge University Press:  21 March 2006

K. M. Pontoppidan ,
E. F. van Dishoeck ,
E. Dartois ,
H. J. Fraser ,
Z. Banhidi  and
J. K. Jørgensen
K. M. Pontoppidan
Affiliation:
Leiden Observatory, P.O.Box 9513, NL-2300 RA Leiden, Netherlands email: pontoppi@strw.leidenuniv.nl
E. F. van Dishoeck
Affiliation:
Leiden Observatory, P.O.Box 9513, NL-2300 RA Leiden, Netherlands email: pontoppi@strw.leidenuniv.nl
E. Dartois
Affiliation:
IAS-CNRS, Bat 121, Université Paris Sud, 91405 Orsay Cedex, France
H. J. Fraser
Affiliation:
Department of Physics, University of Strathclyde, 107 Rottenrow, Glasgow G4 0NG, Scotland
Z. Banhidi
Affiliation:
Stockholm Observatory, AlbaNova University Center, SE-106 91 Stockholm, Sweden
J. K. Jørgensen
Affiliation:
Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, MS42, Cambridge, MA 02138, USA
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Abstract

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We present results from an ongoing program to map the spatial distribution of ices in dark cloud cores with the Spitzer Space Telescope and VLT-ISAAC. The ice maps are used to directly trace the freeze-out of CO and the formation of H2O, CH3OH and CO2.

Keywords

infrared: ISM — ISM: abundances — dust, extinction — molecular processes
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 1 , Symposium S231: Astrochemistry: Recent Successes and Current Challenges , August 2005 , pp. 319 - 320
Copyright
2006 International Astronomical Union