Upper panel: lightkurve analysis of the nearby field star 2MASS 08181825-6818430 showing that it is a background eclipsing binary (BEB) with a period of 10.43 days. The inset panels shows the pixel mask used to extract the light curve of the field star (near the right edge of the aperture) not physically associated with the target star. Lower panel: 4′ × 4′ (the size of the TESS aperture) 2MASS J-band image showing the position of the background eclipsing binary (BEB).