Fig. 4.

Field of view of a selected target (Gaia DR2 2883680659313632896) from Gaia, with 173 stars brighter than 20m. The red cross denotes the target, dashed circles show the aperture and annulus used for the TESS photometry, and solid circles show the stars selected for PCA. The grid in the background illustrates the pixel scale of TESS.
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