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Probing massive cold cores discovered by ISO in quiescent galactic molecular complexes

Published online by Cambridge University Press:  25 September 2002

M. Giard ,
J.P. Bernard ,
A. Klotz ,
I. Ristorcelli ,
D. Teyssier ,
P. Hennebelle  and
M. Pérault
D. Teyssier*
Affiliation:
Laboratoire de radioastronomie millimétrique, URA 336 du CNRS, École normale supérieure et Observatoire de Paris, 24 rue Lhomond, 75005 Paris, France
P. Hennebelle
Affiliation:
Laboratoire de radioastronomie millimétrique, URA 336 du CNRS, École normale supérieure et Observatoire de Paris, 24 rue Lhomond, 75005 Paris, France Present address: Department of Physics and Astronomy, Cardiff University, PO Box 913, Cardiff, UK
M. Pérault
Affiliation:
Laboratoire de radioastronomie millimétrique, URA 336 du CNRS, École normale supérieure et Observatoire de Paris, 24 rue Lhomond, 75005 Paris, France
*
teyssier@lra.ens.fr
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Abstract

The ISOGAL survey discovered a population of narrow (down to 10 arcsec in size) absorbing filaments and globules which appear as dark features in the 7 μm and 15 μm plates. These infrared dark clouds turn out to be the highly condensed parts of Giant Molecular Clouds (GMC's) kiloparsecs away from the Sun. We report here follow-up observations at radio-mm wavelengths conducted at the IRAM 30-m telescope, and present the first results of the physico-chemical analysis of the gas associated to the dense dust revealed in mid-IR.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 4: Infrared and Submillimeter Space Astronomy: An International Colloquium to Honor the Memory of Guy Serra , 2002 , pp. 133
Copyright
© EAS, EDP Sciences, 2002

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