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Table 4.

Long-term variability of Ton 599 in different time segments.

Whole (870−5200) Period I (900−3000) Period II (3000−3400) Period III (4200−5200)
Epochmax F Fmax Fvar Epochmax F Fmax Fvar Epochmax F Fmax Fvar Epochmax F Fmax Fvar
B 4750.35 2.50 9.49 84 1101.30 0.80 3.82 74 3098.62 3.25 9.48 74 4750.35 3.15 9.49 49
V 3098.61 3.16 12.75 85 2746.59 1.07 5.42 83 3098.61 4.43 12.75 72 4394.33 4.10 12.42 46
R 4958.51 3.31 23.25 99 2746.57 1.24 6.49 80 3098.44 4.24 14.71 75 4958.51 5.24 23.25 67
I 4394.32 5.73 20.39 77 2746.58 1.79 10.10 79 3098.58 7.59 19.89 62 4394.32 7.46 20.39 43

Notes. Columns correspond to the whole observing period (JD–2455000 ∼ 870–5200) and to three sub-periods (I: JD–2455000 ∼ 900–3000, II: JD–2455000 ∼ 3000–3400, III: JD–2455000 ∼ 4200–5200). For each segment we list the epoch of maximum flux density (Epochmax, in JD–2455000), the average flux density (⟨F⟩, in mJy), the maximum flux density (Fmax, in mJy), and the fractional variability amplitude (Fvar, in percent), calculated using Equation (2).

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