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kilonova

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The First Two Years of Advanced LIGO and Virgo

How quickly will Advanced LIGO/Virgo be able to detect a gravitational wave, and how precisely will they be able to tell their partner electromagnetic telescopes where to point? Today’s authors answer these questions for the most promising and best-understood type of system, binary neutron star mergers. Specifically, they take a realistic look at LIGO/Virgo’s first two online years, including their early sensitivity and expected downtime.

A tale of a kilonova

Short gamma-ray bursts, extremely energetic explosions in the Universe, might be caused by the merger of two compact objects. In the two papers we discuss today, the authors test this scenario by looking for light emitted still a few days after the explosion.

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