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Fig. 7

image

BRITE frequency spectrum (in arbitrary units) of 28 Cyg. Top: frequency spectrum from 2015 for BTr and UBr satellites is shown; bottom: frequency spectrum from 2016 for BTr satellite is shown. Arrows denote the frequencies included in Table 5. The dashed lines represent the local sum of mean power and the × the scatter calculated after removal of the frequencies in Table 5. Between 3.5 c/d and the nominal Nyquist frequency near 7.2 c/d, there is virtually no power. Frequency groupings occur at the approximate ranges 0.1–0.5 c/d (g0 ), 1.0–1.7 c/d (g1), and 2.2–3.0 c/d (g2).

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