The Bulletin of The Korean Astronomical Society (천문학회보)
- Volume 43 Issue 1
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- Pages.45.3-46
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- 2018
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- 1226-2692(pISSN)
The ice features of Very Low Luminosity Objects (VeLLOs): Unveiling their episodic accretion history through the spectroscopic observation of AKARI IRC
- Kim, Jaeyeong (School of Space Research, Kyung Hee University) ;
- Lee, Jeong-Eun (School of Space Research, Kyung Hee University) ;
- Aikawa, Yuri (Department of Astronomy, Graduate School of Science, The University of Tokyo) ;
- Kim, Il-Seok (SE Lab) ;
- Lee, Ho-Gyu (Korea Astronomy and Space Science Institute) ;
- Jeong, Woong-Seob (Korea Astronomy and Space Science Institute) ;
- Noble, Jennifer A. (Laboratoire de Physique des Lasers, Atomes et Molecules, The University de Lille)
- Published : 2018.05.08
Abstract
Although mass accretion from the disk to the central protostar is a key process of low mass star formation, the accretion mechanism is still poorly understood. To investigate "episodic accretion", which has been suggested as an accretion mechanism in low mass star formation, we have carried out near-infrared spectroscopic observations of three very low-luminosity objects (VeLLOs) and one background source, using InfraRed Camera onboard the AKARI space telescope. The ice absorption features of
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