INVESTIGATING 2MASS J06593158-0405277: AN FUor BURST IN A TRIPLE SYSTEM?
INVESTIGATING 2MASS J06593158-0405277: AN FUor BURST IN A TRIPLE SYSTEM?
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调查 2MASS J06593158-0405277:三重系统中的 FU 或爆发?
DOI:
10.1088/2041-8205/806/1/l4
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发表时间:
2015
期刊:
影响因子:
--
通讯作者:
Garatti A
中科院分区:
文献类型:
--
作者:
Garatti A
FUor outbursts in young stellar objects are the most dramatic events among episodic accretion phenomena. The origin of these bursts is not clear: disk instabilities and/or disk perturbations by an external body being the most viable hypotheses. Here, we report our Very Large Telescope/SINFONI high angular resolution AO-assisted observations of 2MASS J06593158-0405277, which is undergoing a recently discovered FUor outburst. Our observations reveal the presence of an extended disk-like structure around the FUor, a very low-mass companion (2MASS J06593158-0405277B) at∼ 100 AU in projection, and, possibly, a third closer companion at∼ 11 AU. These sources appear to be young, displaying accretion signatures. Assuming the components are physically linked, 2MASS J06593158-0405277 would then be one of the very few triple systems observed in FUors.
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DOI:
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发表时间:
2014
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作者:
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