Abstract
ABSTRACT We report a high-resolution study of the radio radiation properties of RRAT J1913 + 1330 based on data obtained from three observing epochs over 4 months using the Five-hundred-meter Aperture Spherical Radio telescope (FAST). Segments of bursts and nulls are detected from the RRAT, which are in agreement with earlier results. From our observations, we identify nine burst segments, and the pulse profile is different for burst segments. We obtain polarization profile for the RRAT J1913 + 1330, and study the polarization, energy distribution, and the wait time distribution between pulses for different burst states. The results show that there are significant differences in the polarization profiles and linear polarization position angle (PA) across different burst states. In addition, pulses in the burst states are discontinuous, and there is no short-term correlation of the arrival time of single pulses in our observations. More interestingly, we find that the PA from some single pulses with high linear polarization demonstrates very different characteristics. The unique radiation characteristics of RRAT J1913 + 1330 will provide important clues for studying its radiation mechanism.
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