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- W2373066487 abstract "Fast Radio Bursts (FRBs) are intense radio flashes from the sky that are characterized by millisecond durations and Jansky-level flux densities. We carried out a statistical analysis on FRBs discovered. Their mean dispersion measure, after subtracting the contribution from the interstellar medium of our Galaxy, is found to be $sim 660,rm pc,cm^{-3}$, supporting their being from cosmological origin. Their energy released in radio band spans about two orders of magnitude, with a mean value of $sim 10^{39}$ ergs. More interestingly, although the FRB study is still in a very early phase, the published collection of FRBs enables us to derive a useful intensity distribution function. For the 16 non-repeating FRBs detected by Parkes telescope and the Green Bank Telescope, the intensity distribution can be described as $dN/dF_{rm obs} = (4.1 pm 1.3) times 10^3 , F_{rm obs}^{-1.1pm0.2} ; rm sky^{-1},day^{-1}$, where $F_{rm obs}$ is the observed radio fluence in units of Jy~ms. Here the power-law index is significantly flatter than the expected value of 2.5 for standard candles distributed homogeneously in a flat Euclidean space. Based on this intensity distribution function, the Five-hundred-meter Aperture Spherical radio Telescope (FAST) will be able to detect about 5 FRBs for every 1000 hours of observation time." @default.
- W2373066487 created "2016-06-24" @default.
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- W2373066487 date "2017-01-01" @default.
- W2373066487 modified "2023-09-27" @default.
- W2373066487 title "Intensity distribution function and statistical properties of fast radio bursts" @default.
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- W2373066487 doi "https://doi.org/10.1088/1674-4527/17/1/6" @default.
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