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        Discovery of a Long-Lived, High Amplitude Dusty Infrared Transient

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        Author
        Britt, C. T.
        Maccarone, T. J.
        Green, J. D.
        Jonker, P. G.
        Hynes, R. I.
        Torres, M. A. P.
        Strader, J.
        Chomiuk, L.
        Salinas, R.
        Lucas, P.
        Pena, C. Contreras
        Kurtev, R.
        Heinke, C.
        Smith, L.
        Wright, N. J.
        Johnson, C.
        Steeghs, D.
        Nelemans, G.
        Attention
        2299/17335
        Abstract
        We report the detection of an infrared selected transient which has lasted at least 5 years, first identified by a large mid-infrared and optical outburst from a faint X-ray source detected with the Chandra X-ray Observatory. In this paper we rule out several scenarios for the cause of this outburst, including a classical nova, a luminous red nova, AGN flaring, a stellar merger, and intermediate luminosity optical transients, and interpret this transient as the result of a Young Stellar Object (YSO) of at least solar mass accreting material from the remains of the dusty envelope from which it formed, in isolation from either a dense complex of cold gas or massive star formation. This object does not fit neatly into other existing categories of large outbursts of YSOs (FU Orionis types) which may be a result of the object's mass, age, and environment. It is also possible that this object is a new type of transient unrelated to YSOs.
        Publication date
        2016-08-11
        Published in
        Monthly Notices of the Royal Astronomical Society
        Published version
        https://doi.org/10.1093/mnras/stw1182
        Other links
        http://hdl.handle.net/2299/17335
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