Image Details
Caption: Figure 2.
The Lomb periodogram (upper plot) favors a rotational frequency at 4.87 cycles day−1. Due to the large amplitude and asymmetric lightcurve, the double-peaked rotational lightcurve with a periodicity of 9.85 hr is favored (lower plot). A second-order Fourier fit is overplotted (black line).
© 2022. The Author(s). Published by the American Astronomical Society.