A Radio Source Coincident with the Superluminous Supernova PTF10hgi: Evidence for a Central Engine and an Analogue of the Repeating FRB121102?

29 Jan 2019T. EftekhariE. BergerB. MargalitP. K. BlanchardL. PattonP. DemorestP. K. G. WilliamsS. ChatterjeeJ. M. CordesR. LunnanB. D. MetzgerM. Nicholl

We present the detection of an unresolved radio source coincident with the position of the Type I superluminous supernova (SLSN) PTF10hgi ($z=0.098$) about 7.5 years post-explosion, with a luminosity of $L_\nu(6\,\,{\rm GHz})\approx 1.1\times 10^{28}$ erg s$^{-1}$ Hz$^{-1}$. This represents the first detection of radio emission coincident with a SLSN on any timescale... (read more)

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