Table 1. Open in new tab Optical...

Table 1.

Optical photometric periods in J1820 (from Fig. 2).

Day Nos.^b	Freq. (d⁻¹)	P (d)^a	Notes
87–102	1.42241	0.70303(1)	P_sh
103–112	1.44797	0.69062(5)	–
113–160	1.45301	0.68823(2)	P_W
113–253	1.45301	0.68823(5)	P_W

Day Nos.^b	Freq. (d⁻¹)	P (d)^a	Notes
87–102	1.42241	0.70303(1)	P_sh
103–112	1.44797	0.69062(5)	–
113–160	1.45301	0.68823(2)	P_W
113–253	1.45301	0.68823(5)	P_W

Notes. ^a1σ uncertainties in last digit given in parentheses.

^bThese are the same time intervals as used in Fig. 2.

Note that P_orb = 0.68549(1) d (freq. 1.4588 d⁻¹; Torres et al. 2019).