Fig. 1
Sky positions of NGTS-14A and NGTS-14B. Upper panel: NGTS deep stacked image (2′ × 2′) centred on NGTS-14A. The Gaia positions of NGTS-14A and NGTS-14B are indicated with a red ‘+’ and a blue ‘x’, respectively. The pink circle indicates the NGTS photometric aperture, which has a radius of 3 pixels (15′′). Other Gaia sources are marked with orange triangles. North is up, and east is to the left. Lower panel: sketch of NGTS-14 showing the separation of NGTS-14A and NGTS-14B, which are represented by the same symbols as in the upper panel. NGTS-14B lies on a bearing of α = 267.49 degrees from NGTS-14A. The direction of the relative proper motion of NGTS-14B with respect to NGTS-14A is indicated with the green arrow. The bearing of this proper motion vector is β = 18.8± 9.5 degrees, and its magnitude is 1.18 ± 0.20 mas yr−1.
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