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from the Observational Relativity and Cosmology department

A binary pulsar with a planet?

Detailed analysis of Fermi observations hints at pulsar exoplanet more

Open gravitational-wave catalog no. 4

New independent analysis of public LIGO/Virgo data by AEI researchers identifies 94 signals, 7 of which not reported previously more

An open gravitational-wave catalog v3.0

Research team led by AEI scientists publishes independent analysis of public LIGO/Virgo data and finds 57 gravitational-wave signals, 4 of which are new discoveries more

The final fate of apparent horizons

How apparent horizons vanish in a binary black hole merger: by “weaving” back and forth in time more

Looking for the fossil black holes from the early Universe

The most sensitive search for primordial black holes more

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