Fig. 1.

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Phaseogram of the Crab pulsar sample from LST-1 data (Zd < 50 deg). Both peaks and the overall bridge emission between peaks are detected significantly. Most of the pulsed signal is provided by data at Zd < 25 degrees, so the energy threshold of the sample is Eth ∼ 20 GeV. The period corresponding to two rotations is shown in the phaseogram for better visualization.
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