Black hole mergers, cataloged

Ok, I have to give up remembering all merger event names….

In the LVK collaboration we just published the O3a Gravitational Wave Transient Catalog. The verdict: 39 confirmed mergers between April 1st and October 1st 2019.

The plot above gives a nice overview of the component and final mass distributions. Another impressive number: about 1.5 mergers per week at the current detector sensitivity. The number is forecast to grow.

The paper can be found here: https://dcc.ligo.org/P2000061/public

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