Wideband Monitoring of FRB 20180916B with Upgraded GMRT

This research presents the results of a wideband monitoring campaign of FRB 20180916B using the upgraded Giant Metrewave Radio Telescope (uGMRT). The study detected 74 bursts at Band-3 (250-500 MHz) and 4 bursts at Band-4 (550-750 MHz), providing a burst rate of approximately 4 bursts per hour above a fluence of 0.05 Jy ms. The analysis reveals that the source emits maximum energy and luminosity up to a fractional bandwidth of 70 MHz near the middle of its activity window. Furthermore, a strong correlation was found between the excess dispersion measure and excess scattering width. The normalized cumulative distribution of the waiting time was well-fitted by an exponential function, indicating a stochastic emission process. These findings contribute to a better understanding of the emission mechanisms and properties of Fast Radio Bursts (FRBs). Future research should focus on conducting more extensive wideband monitoring campaigns to capture a larger sample of FRBs and their bursts. This will enable more detailed statistical analyses and potentially reveal new insights into the nature of these enigmatic phenomena. Additionally, multi-wavelength observations are crucial for obtaining a comprehensive understanding of FRB sources and their environments.

Transparency: This analysis is based solely on the provided research abstract. No external information was used. The AI model (Gemini 2.5 Flash) has been used to summarize and interpret the data, and the output is intended for informational purposes only.

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