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Mapping the Likelihood of GW190521 with Diverse Mass and Spin Priors
Seth Olsen, Javier Roulet, Horng Sheng Chia +4
We map the likelihood of GW190521, the heaviest detected binary black hole (BBH) merger, by sampling under different mass and spin priors designed to be uninformative. We find that…
Distribution of Effective Spins and Masses of Binary Black Holes from the LIGO and Virgo O1-O3a Observing Runs
Javier Roulet, Horng Sheng Chia, Seth Olsen +4
The distribution of effective spin , a parameter that encodes the degree of spin-orbit alignment in a binary system, has been widely regarded as a robust discriminator…
Signs of Higher Multipoles and Orbital Precession in GW151226
Horng Sheng Chia, Seth Olsen, Javier Roulet +4
We present a reanalysis of GW151226, the second binary black hole merger discovered by the LIGO--Virgo Collaboration. Previous analysis showed that the best-fit waveform for this e…
Searching for General Binary Inspirals with Gravitational Waves
Horng Sheng Chia, Thomas D. P. Edwards
We study whether binary black hole template banks can be used to search for the gravitational waves emitted by general binary coalescences. To recover binary signals from noisy dat…