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Figure 1: Lomb periodogram for the 2005FY9's relative photometry showing several peaks (in cycles per day). The highest peaks are at 2.134 cycles/day (P=11.24 h), 2.103 cycles/day (P=11.41 h), and 1.167 cycles/day (P=20.57 h), which appears to be an alias. |
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Figure 2: Lightcurves (relative magnitudes vs. rotational phase) for the three possible periods. Top: for a 22.48 h period. Middle: for a 11.24 h period. Bottom: for a 20.57 h period. The plots also show the phase curves obtained by median-averaging the actual photometric data in rotational phase bins of 0.05 and displaced +0.06 mags in the y-axis. Error bars (standard deviation of the data in the phase bins) are shown in the median plots. The different symbols in the plots correspond to different observing dates. |
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