Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aspc..390...63c&link_type=abstract
Pathways Through an Eclectic Universe ASP Conference Series, Vol. 390, proceedings of the conference held 23-27 April, 2007 at S
Astronomy and Astrophysics
Astronomy
Scientific paper
High spatial resolution radio continuum and mid-infrared images of a prototypical stellar wind-blown bubble have been used to infer general properties of this class of object. In particular, I explore the spatial relationships between warm thermally emitting dust, the polycyclic aromatic hydrocarbons-dominated photo-dissociation region, and ionized hydrogen gas, and use these to compare with bubble evolution models. This bubble appears to be <106 years old. Candidate YSOs and the ionizing star are identified using a grid of spectral energy distribution models for YSOs and main sequence and giant stars. The location of the candidate YSOs on the rim of the H II region and the association with an infrared dark cloud suggest that several of the YSO candidates have been triggered by the expansion of the H II region.
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