SIMBAD references

2015ApJ...806L...4C - Astrophys. J., 806, L4 (2015/June-2)

Investigating 2MASS J06593158-0405277: AN FUor burst in a triple system?

CARATTI O GARATTI A., GARCIA LOPEZ R., RAY T.P., EISLOFFEL J., STECKLUM B., SCHOLZ A., KRAUS S., WEIGELT G., KREPLIN A. and SHENAVRIN V.

Abstract (from CDS):

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 Å100 AU in projection, and, possibly, a third closer companion at Å11 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.

Abstract Copyright:

Journal keyword(s): binaries: close - circumstellar matter - stars: formation - stars: individual: 2MASS J06593158-0405277 - stars: pre-main sequence - techniques: high angular resolution

CDS comments: Sources AR 6 A/B are not identified.

Simbad objects: 11

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2021.12.06-18:15:12

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