Astrophys. J., 834, 122-122 (2017/January-2)
Massive star formation in the LMC. I. N159 and N160 complexes.
GORDON M.S., JONES T.J., GEHRZ R.D. and HELTON L.A.
Abstract (from CDS):
We present images and spectral energy distributions (SEDs) of massive young stellar objects (YSOs) in three star-forming H II regions of the Large Magellanic Cloud: N159A, N159 Papillon, and N160. We use photometry from SOFIA/FORCAST at 25.3-37.1 µm to constrain model fits to the SEDs and determine luminosities, ages, and dust content of the embedded YSOs and their local environments. By placing these sources on mid-infrared color-magnitude and color-color diagrams, we analyze their dust properties and consider their evolutionary status. Since each object in the FORCAST images has an obvious bright near-infrared counterpart in Spitzer Space Telescope images, we do not find any evidence for new, very cool, previously undiscovered Class 0 YSOs. Additionally, based on its mid-infrared colors and model parameters, N159A is younger than N160 and the Papillon. The nature of the first extragalactic protostars in N159, P1, and P2, is also discussed.
© 2017. The American Astronomical Society. All rights reserved.
H II regions - Magellanic Clouds - stars: formation - stars: formation
VizieR on-line data:
<Available at CDS (J/ApJ/834/122): table2.dat table3.dat>
Fig. 3, Table 2: [GJG2017] N159A A (Nos A-E). Fig. 4, Table 2: [GJG2017] N159 Papillon A (Nos A-C). Fig. 5, Table 2: [GJG2017] N160 A (Nos A-F).
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