Free Access
Volume 574, February 2015
Article Number L5
Number of page(s) 6
Section Letters
Published online 23 January 2015

Online material

Appendix A: Multi-layered picture

Figure A.1 shows the layers of Fig. 3 assembled together for direct comparison, for pdf viewers not understanding Javascript, and for printers. Similarly, Fig. A.2 shows the layers of Fig. 4 (the three positions tested with two or three blackbody components) side by side.

thumbnail Fig. A.1

L183 cut for dust emission. It includes data from Herschel PACS and SPIRE, APEX/LABOCA, and IRAM-30 m/MAMBO data, all convolved to 37′′ resolution. The fluxes are scaled down by the amount indicated to the right of the wavelengths to align all the fluxes on the saddle point. The 8 μm opacity range is displayed (dashed lines filled in grey), the 100 μm cut is omitted since it only traces the cloud content at its surface. This is the developed version of Fig. 3. The colour is changed for each wavelength to help separate them.

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thumbnail Fig. A.2

SEDs of the three points of interest defined in Fig. 2 along the cut (from left to right, the main PSC, the saddle and the northern PSC). Top row, the SEDs are fitted with three modified blackbodies, bottom row, they are fitted with two modified blackbodies. Opacity is given at 300 μm. This is the developed version of Fig. 4.

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Appendix B: Institutional acknowledgements

This work is based on observations carried out with the IRAM 30 m Telescope. IRAM is supported by INSU/CNRS (France), MPG (Germany), and IGN (Spain) and on data acquired with the Atacama Pathfinder Experiment (APEX). APEX is a collaboration between the Max-Planck-Institut für Radioastronomie, the European Southern Observatory, and the Onsala Space Observatory. Planck3 is a project of the European Space Agency – ESA – with instruments provided by two scientific consortia funded by ESA member states (in particular the lead countries: France and Italy) with contributions from NASA (USA), and telescope reflectors provided in a collaboration between ESA and a scientific Consortium led and funded by Denmark. Herschel is an ESA space observatory with science instruments provided by European-led Principal Investigator consortia and with important participation from NASA.

© ESO, 2015

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