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Table 2.

Parameters of various modes of subpulse modulation features across different pulse longitudes.

Subpulse modulation Pulse longitude (° ) Fluctuation frequency (cpp)
Mode 1 –166 to –143 0.091 ± 0.010
Mode 2 –32 to 13 0.089 ± 0.012
Mode 3 17 to 41 0.085 ± 0.018
Mode 4 43 to 69 0.094 ± 0.013
Mode 5 122 to 180 0.078 ± 0.024

Notes. The first column depicts the modes. The second and third columns give the corresponding range in the pulse longitude and the fluctuation frequency, respectively. The fluctuation frequency is measured in units of cycles per period (cpp), which corresponds to P/P3. Here, P is the period of the pulsar and P3 denotes the modulation period.

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