Four decades of photometry of XX Trianguli, ‘the most spotted star’ in the sky

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Table 2.

Seasonal rotational periods and their corresponding Fourier amplitudes.

46370–50152^a		50391–53804^a		53995–56244^a		56555–60327^a
period [d]^b	amplitude	period [d]^b	amplitude	period [d]^c	amplitude	period [d]^d	amplitude
24.080	0.13268	23.776	0.14665	23.741	0.05881	23.786	0.06398
23.848	0.07256	23.911	0.08768	24.021	0.04071	24.087	0.02494
24.373	0.06623	24.696	0.04672	24.729	0.03543	23.470	0.02083
24.602	0.06005	24.289	0.04480	–	–	–	–

Notes.

^(a)

HJD−2400000;

^(b)

accuracy limit ±0.046 d;

^(c)

accuracy limit ±0.079 d;

^(d)

accuracy limit ±0.056 d.

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