5 papers
LIGO A: Detector Design and Science Prospects Beyond A+
L. Sun, K. Kuns, B. J. J. Slagmolen +1153
We present the LIGO A detector concept, an upgrade for the LIGO observatories based on room-temperature interferometers beyond the fifth observing run (O5). Building on th…
Las Cumbres Observatory Gravitational-Wave Follow-up in the Third and Fourth Observing Runs: Strengths and Weaknesses of a Rapid Response Galaxy Targeted Strategy
Ido Keinan, Iair Arcavi, D. Andrew Howell +34
We present a summary of gravitational-wave (GW) follow-up using the Las Cumbres Observatory global network of telescopes during the third (O3) and fourth (O4) observing runs of the…
Identifying the host of compact binary mergers
Alberto Salvarese, Hsin-Yu Chen, Daniel E. Holz
Finding the host galaxies of stellar-mass compact binary mergers will open a new window for studying their formation histories and measuring key cosmological parameters, such as th…
The Stochastic Siren: Astrophysical Gravitational-Wave Background Measurements of the Hubble Constant
Bryce Cousins, Kristen Schumacher, Adrian Ka-Wai Chung +4
We report the first measurement of the Hubble constant using the stochastic gravitational-wave background arising from binary black hole mergers. This astrophysical backgroun…
Better early than never: A new test for superluminal gravitational wave polarizations
Kristen Schumacher, Colm Talbot, Daniel E. Holz +1
In some beyond-Einstein theories of gravity, gravitational waves can contain up to six polarizations, which are allowed to propagate at different speeds faster than light. These di…