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S201: The Ionized Skin of a Molecular Blob

Published online by Cambridge University Press:  04 August 2017

M. Felli
Affiliation:
Osservatorio di Arcetri, Florence, Italy
R. Cesaroni
Affiliation:
Osservatorio di Arcetri, Florence, Italy
R. M. Hjellming
Affiliation:
N.R.A.O. USA

Extract

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S201 is an optically visible H II region whose ionizing star is hidden to the sight by heavy obscuration. The radio continuum surface brightness distribution observed at 6-cm with the VLA can be described by two distinct components: a) an extended diffuse structure, which closely reproduces the shape of the observable nebulosity, and b) a sharp bright arc feature on the east side of the extended component, unresolved towards the outside at the resolution of ∼ 4″.

Type
I. Star Forming Processes in the Solar Neighborhood
Copyright
Copyright © Reidel 1987