Astronomers find 72 bright and fast explosions

[beecee]

https://phys.org/news/2018-04-astronomers-bright-fast-explosions.html

Astronomers find 72 bright and fast explosions

April 2, 2018, Royal Astronomical Society

Gone in a (cosmological) flash: a team of astronomers found 72 very bright, but quick events in a recent survey and are still struggling to explain their origin. Miika Pursiainen of the University of Southampton will present the new results on Tuesday 3 April at the European Week of Astronomy and Space Science.

The scientists found the transients in data from the Dark Energy Survey Supernova Programme (DES-SN). This is part of a global effort to understand dark energy, a component driving an acceleration in the expansion of the Universe. DES-SN uses a large camera on a 4-metre telescope in the Cerro Tololo Inter-American Observatory (CTIO) in the Chilean Andes. The survey looks for supernovae, the explosion of massive stars at the end of their lives. A supernova explosion can briefly be as bright as a whole galaxy, made up of hundreds of billions of stars.

Read more at: https://phys.org/news/2018-04-astronomers-bright-fast-explosions.html#jCp

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Are these likely to be BH's in a feeding frenzy?

Or perhaps Neutron stars accumulating matter before turning into BH's?

And a more definite question....How are these related to FRB's?