Other
Scientific paper
Jun 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005jkas...38...33k&link_type=abstract
Journal of the Korean Astronomical Society, vol. 38, no. 2, pp. 33-41
Other
1
H Ii Region, Ism : Molecular Lines, Ism : Individual Objects : Sh 156
Scientific paper
We have conducted observations toward the molecular cloud associated with the HII region Sh 156 in tcocom (J=1-0), ȩocom(J=1-0), and CS(J=2-1) using the TRAO 14 m telescope. Combining with existing \cocom(J=1-0) data of the Outer Galaxy Survey, we delineated the physical properties of the cloud. We found that there is a significant sign of interaction between the HII region and the molecular gas. We estimated the masses of the molecular cloud, using three different techniques; the most plausible mass is estimated to be 1.37 × 105 M&sun;, using a conversion factor of X=1.9 × 1020 \conf, and this is similar to virial mass estimate. This implies that the cloud is gravitationally bound and in virial equilibrium even though it is closely associated with the HII region. In addition to existing outflow, we found several MSX and IRAS point sources associated with dense core regions. Thus, more star forming activities other than the existing HII region are also going on in this region.
Kang Meejoo
Lee Youngung
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