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Paper: Ices around Extragalactic Young Stellar Objects
Volume: 418, AKARI, a Light to Illuminate the Misty Universe
Page: 55
Authors: Shimonishi, T.; Onaka, T.; Kato, D.; Sakon, I.; Ita, Y.; Kawamura, A.; Kaneda, H.
Abstract: The infrared spectra of young stellar objects (YSOs) often show absorption features of ices. So far, almost all of the observations of ices around YSOs have been limited to Galactic objects. We here report the result of 2.5–5 μm spectroscopy of YSOs in the Large Magellanic Cloud with infrared satellite AKARI. Absorption features of H2O, CO2 and CO ices are detected toward these extragalactic YSOs, and derived CO2/H2O ice ratio in the LMC shows a higher value than Galactic YSOs. In this paper, we discuss the different chemical conditions around extragalactic YSOs.
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