EAS Publications Series
Volume 31, 2008Far-Infrared Workshop 2007
|Page(s)||205 - 207|
|Published online||04 October 2008|
C. Kramer, S. Aalto and R. Simon (eds)
EAS Publications Series, 31 (2008) 205-207
The PDR structure of the Monoceros Ridge in the Rosette Molecular Cloud
KOSMA, I. Physikalisches Institut, Universität zu Köln, Germany
2 CEA/Saclay, Gif-sur-Yvette, France
3 KOSMA, SRON National Institute for Space Research, Groningen, The Netherlands
4 KOSMA, Argelander Institut für Astronomie, Universität Bonn, Germany
We present spectral line observations towards the Monoceros PDR in Rosette in context with optical (DSS), far-infrared (C+, KAO), and mid-infrared (Spitzer) imaging of the region. The new data include maps in CO isotopomeric lines (IRAM 30 m, APEX, and NANTEN2) and cuts through the interface in a variety of chemical tracers and transitions: HCN, HNC, HCO+, CN, CCH, and CS, in some cases including rarer isotopomers (IRAM 30 m and APEX). Our goal is to study, and possibly resolve, the temperature, chemical, and density structure in the clumpy PDR/molecular cloud transition. As a first results, we do find evidence for a layered structure perpendicular to the impinging UV radiation in selected chemical and excitational tracers.
© EAS, EDP Sciences, 2008
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