Multiwavelength study of RCW 108 as a massive star forming region

Details Multiwavelength study of RCW 108 as a massive star forming region Multiwavelength study of RCW 108 as a massive star forming region

Aug 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008rmxac..33..166r&link_type=abstract

Massive Stars: Fundamental Parameters and Circumstellar Interactions (Eds. P. Benaglia, G. L. Bosch, & C. E. Cappa) Revista Mexi

Astronomy and Astrophysics

Astronomy

Hii Regions, Ism: Molecular Clouds

Scientific paper

NGC 6193 is an open cluster embedded in an HII region (RCW 108, Rodgers et al. 1960) located 15^' eastwards of NGC 6188. The later is a bright rimmed cloud that stretches over 30^' in the north-south direction, and marks the interface between RCW 108 and nearby dark clouds. RCW 108 is being powered by the multiple O-type star systems, namely HD 150135-HD 150136 (Niemela & Gamen 2005) in the core of NGC 6193. The UV photons emitted by these stars may drive photoinization-induced shocks into the nearby molecular clouds, possibly originating the well studied infrared cluster RCW 108-IR (Comerón et al. 2005, and references therein). In this work we describe the morphology of the distribution of the photoionized and shock-excited gas based on Hα, [O III] and [S II] images, ^{13}CO observations, and infrared data (2MASS, MSX).

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