Millimetric observations of southern H II regions

Astronomy and Astrophysics – Astrophysics

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H Ii Regions, Ism: Individual Objects: G291.6-0.5, Ism: Individual Objects: G291.3-0.7, Submillimeter, Dust, Extinction

Scientific paper

We report on millimetric continuum observations of two bright compact H II regions, which have been observed for the first time in this frequency range. For the two observed regions (G291.6-0.5 and G291.3-0.7), we derive the flux densities at the two observed wavelengths (1.25 and 2 mm) as well as the spectral index and the temperature of the surrounding dust by fitting a modified blackbody curve to our results combined with IR values obtained from the literature. We also estimate the dust mass and the bolometric luminosity of the two regions.

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