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Fig. 3

image

B-band (crosses) and V -band (circles) fluxes (from SIMBAD) in annuli of 3 arcmin width around 28 Cyg. In both bands, the flux of 28 Cyg was set to unity. For BRITE observations in chopping (nodding) mode, the two positions of the point spread function (PSF) are contained in a window of 11 × 24 arcmin2. The PSF of SMEI was elongated, ~60 arcmin wide, and not box-car shaped.

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