Herschel spectroscopy of Massive Young Stellar Objects in the Magellanic Clouds

25 Oct 2019 Oliveira J. M. Keele University van Loon J. Th. Sewilo M. Lee M. -Y. Lebouteiller V. Chen C. -H. R. Cormier D. Filipovic M. D. Carlson L. R. Indebetouw R. Madden S. Meixner M. Sargent B. Fukui Y.

We present Herschel Space Observatory Photodetector Array Camera and Spectrometer (PACS) and Spectral and Photometric Imaging Receiver Fourier Transform Spectrometer (SPIRE FTS) spectroscopy of a sample of twenty massive Young Stellar Objects (YSOs) in the Large and Small Magellanic Clouds (LMC and SMC). We analyse the brightest far infrared (far-IR) emission lines, that diagnose the conditions of the heated gas in the YSO envelope and pinpoint their physical origin.We compare the properties of massive Magellanic and Galactic YSOs.We find that [OI] and [CII] emission, that originates from the photodissociation region associated with the YSOs, is enhanced with respect to the dust continuum in the Magellanic sample... (read more)

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