A Search for Fast Radio Bursts Associated with Gamma-Ray Bursts

Abstract

The detection of six Fast Radio Bursts (FRBs) has recently been reported. FRBs are short duration ($\sim$ 1 ms), highly dispersed radio pulses from astronomical sources. The physical interpretation for the FRBs remains unclear but is thought to involve highly compact objects at cosmological distance. It has been suggested that a fraction of FRBs could be physically associated with gamma-ray bursts (GRBs). Recent radio observations of GRBs have reported the detection of two highly dispersed short duration radio pulses using a 12 m radio telescope at 1.4 GHz. Motivated by this result, we have performed a systematic and sensitive search for FRBs associated with GRBs. We have observed five GRBs at 2.3 GHz using a 26 m radio telescope located at the Mount Pleasant Radio Observatory, Hobart. The radio telescope was automated to rapidly respond to Gamma-ray Coordination Network notifications from the Swift satellite and slew to the GRB position within $\sim$ 140 s. The data were searched for pulses up to 5000 pc $\mathrm{c}{\mathrm{m}}^{-3}$ in dispersion measure and pulse widths ranging from 640 $\mu$s to 25.60 ms. We did not detect any events $\ge 6\sigma$. An in-depth statistical analysis of our data shows that events detected above $5\sigma$ are consistent with thermal noise fluctuations only. A joint analysis of our data with previous experiments shows that previously claimed detections of FRBs from GRBs are unlikely to be astrophysical. Our results are in line with the lack of consistency noted between the recently presented FRB event rates and GRB event rates.

arXiv comment34 pages, 13 figures, Accepted for publication in ApJ

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Cited by in corpus (37)

• Fast Radio Bursts: An Extragalactic Enigma
• The Physics of Fast Radio Bursts
• Constraints on the Engines of Fast Radio Bursts
• Discovery of a transient gamma-ray counterpart to FRB 131104
• Fast Radio Bursts
• Limits on Einstein's Equivalence Principle from the first localized Fast Radio Burst FRB 150418
• Shock-powered radio precursors of neutron star mergers from accelerating relativistic binary winds
• A search for Fast Radio Bursts at low frequencies with Murchison Widefield Array high time resolution imaging
• A Deep Search for Prompt Radio Emission from the Short GRB 150424A With The Murchison Widefield Array
• Multi-wavelength afterglows of fast radio bursts
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• Multiwavelength observations of Fast Radio Bursts
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• Non-detection of fast radio bursts from six gamma-ray burst remnants with possible magnetar engines
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• Limits on Fast Radio Burst-like Counterparts to Gamma-ray Bursts using CHIME/FRB
• Prompt X-ray emission from Fast Radio Bursts -- Upper limits with AstroSat
• Constraining bright optical counterparts of Fast Radio Bursts
• Localising fast radio bursts and other transients using interferometric arrays
• Early-time Searches for Coherent Radio Emission from Short GRBs with the Murchison Widefield Array
• Search for high-energy neutrinos in coincidence with Fast Radio Bursts with the ANTARES neutrino telescope
• A search for gamma-ray prompt emission associated with the Lorimer Burst FRB010724
• Fast radio bursts: superpulsars, magnetars, or something else?
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• AT2020hur: A Possible Optical Counterpart of FRB 180916B
• Is GRB 110715A the progenitor of FRB 171209?