Prospects of detecting Fast Radio Bursts using Indian Radio Telescopes

Abstract

Fast Radio Bursts (FRBs) are short duration highly energetic dispersed radio pulses. We developed a generic formalism (Bera {\em et al.}, 2016) to estimate the FRB detection rate for any radio telescope with given parameters. By using this model, we estimated the FRB detection rate for two Indian radio telescope; the Ooty Wide Field Array (OWFA) (Bhattacharyya {\em et al.}, 2017) and the upgraded Giant Metrewave Radio Telescope (uGMRT) (Bhattacharyya {\em et al.}, 2018) with three beam forming modes. In this review article, I summarize these two works. We considered the energy spectrum of FRBs as a power law and the energy distribution of FRBs as a Dirac delta function and a Schechter luminosity function. We also considered two scattering models proposed by Bhat {\em et al.} (2004) and Macquart \& Koay (2013) for these work and I consider FRB pulse without scattering as a special case for this review. We found that the future prospects of detecting FRBs by using these two Indian radio telescopes is good. They are capable to detect a significant number of FRBs per day. According to our prediction, we can detect $\sim 10^5-10^8$, $\sim 10^3-10^6$ and $\sim 10^5-10^7$ FRBs per day by using OWFA, commensal systems of GMRT and uGMRT respectively. Even a non detection of the predicted events will be very useful in constraining FRB properties.

arXiv comment7 pages, 2 figures, 1 table

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Cited by in corpus (3)

• Five new real-time detections of Fast Radio Bursts with UTMOST
• Lensing of fast radio bursts: future constraints on primordial black hole density with an extended mass function and a new probe of exotic compact fermion and boson stars
• Constraints on the abundance of primordial black holes with different mass distributions from lensing of fast radio bursts