Fig. 4

Resolved Naco and Keck JHK photometry of FUOR component relative to the HBe compared to previous measurements (unresolved components) from the literature (VDA4, Koresko et al. 1991; Haas et al. 1993, and references therein). The epochs with simultaneous JHK-band photometry are: (1) October 1990 (quiescence); (2-3-4), January 31, February 26, and March 11, 2009 respectively (outburst); (5) December 2009 (returning to quiescence).
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