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Fig. 18


Highlight on the impact of the data reduction/analysis details on the presence of low-amplitude transit-shaped structures in the Spitzer photometry (2010 Jan. 28, AOR: 38702848). We apply relative flux offsets in the above two plots for clarity. The upper dataset is the result of aperture photometry with a 2D elliptical Gaussian centring while the lower one is done with a double 1D Gaussian fit. The upper is corrected with a baseline involving the measured FWHM while the lower is not. Black dots are the binned data per interval of 5 min with 1σ error bars. The supposed UCF-1.01 (right) and UCF-1.02 (left) transit events are shaded in green.

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