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Article Contents
1 Introduction
2 Observations
3 Comparison with a 20 cm map
4 Evidence for the presence of additional components in the 1.3 mm map
5 Spectral bending in the filaments spectra
6 The nature of the component B
7 Comparison with maps at other wavelengths
8 Effects of time variability
9 Conclusions
Appendix A: Procedure used to separate the filament and amorphous components

Copyright ESO 2002
Published by EDP Sciences