Properties of the young stellar object N 160 A-IR

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Star Formation, Hii Regions, N 160 Lmc

Scientific paper

We present ISO-SWS spectra of the young stellar object (YSO) N 160 A-IR in the Large Magellanic Cloud (LMC). The spectra cover the full wavelength range of SWS on board of ISO (2.5 - 45 μm) where most of the dust features are located. N 160 A-IR shows the unidentified infrared bands (UIBs) and silicate absorption on a steeply rising continuum plus fine structure lines from the H ii region. Furthermore, we present near- and mid-infrared images of the YSO. For the first time, the YSO is seen in the NIR as a compact point source in the north-western part of the H ii region N 160 A. A radiative transfer model for the YSO with a luminosity of 1.4ṡ106 Lodot being deeply embedded (AV=60 mag) in its parental cloud reproduces the observations. The mass of the model cloud is 50,000 Modot consistent with other estimates.

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