Submm- and FIR observations of the S 106 photon dominated region

Details Submm- and FIR observations of the S 106 photon dominated region Submm- and FIR observations of the S 106 photon dominated region

Mar 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999esasp.427..755s&link_type=abstract

The Universe as Seen by ISO. Eds. P. Cox & M. F. Kessler. ESA-SP 427., p. 755

Astronomy and Astrophysics

Astronomy

1

Submm Astronomy, Fir Astronomy, Pdrs, Molecular Clouds

Scientific paper

Mapping of the S106 region in the [CII] 158 μm and [OI] 63 and 145 μm fine structure lines, using the KAO, and the 13CO J=6-->5 line with KOSMA, revealed that the PDR around the exciting star S106 IR is extended on a size scale of 10'x3'. The [CII] 158μm/[OI] 63μm line ratio in a 55'' beam centering S106 IR accounts for a gas temperature of 500 K and a density around 105 cm-3. The cold molecular gas component was mapped in isotopomeric J=1-->0 and 2-->1 lines in the `on-the-fly' mapping mode at the IRAM 30m telescope. The data reveal the fragmented structure of the region with a pronounced eastern peak, coinciding with the maximum of [OI] emission. Channel-maps of the 12CO 2-->1 emission reveal the eastern peak at blueshifted velocities between -8 and -3.5 km s-1 to be due to strong and highly localized outflow emission. The red wing is much weaker and more dispersed.

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