359 citations · 1.8k across the 42 of their papers we have counts for
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Measurement of spin-orbit misalignment in binary black holes via the total spin
Charles F. A. Gibson, Isha Anantpurkar, Javier Roulet
The degree of spin-orbit alignment in merging binary black holes is a powerful probe of their formation history. However, assessing spin-orbit misalignment in individual events rem…
GW190711_030756 and GW200114_020818: astrophysical interpretation of two asymmetric binary black hole mergers in the IAS catalog
Tousif Islam, Tejaswi Venumadhav, Digvijay Wadekar +6
We provide a comprehensive analysis of GW190711_030756 and GW200114_020818, two of the most significant binary black hole merger candidates in the IAS catalog, with probabilities o…
gwharmone: first data-driven surrogate for eccentric harmonics in binary black hole merger waveforms
Tousif Islam, Tejaswi Venumadhav, Ajit Kumar Mehta +6
We present gwharmone, the first data-driven surrogate model for eccentric harmonics (as well as the full radiation content) of the dominant quadrupolar mode in eccentric, non-spinn…
New binary black hole mergers in the LIGO--Virgo O3a data
Seth Olsen, Tejaswi Venumadhav, Jonathan Mushkin +3
We report the detection of ten new binary black hole (BBH) mergers in the publicly released data from the the first half of the third observing run (O3a) of advanced LIGO and advan…
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…
Binary Black Hole Mergers from LIGO/Virgo O1 and O2: Population Inference Combining Confident and Marginal Events
Javier Roulet, Tejaswi Venumadhav, Barak Zackay +2
We perform a statistical inference of the astrophysical population of binary black hole (BBH) mergers observed during the first two observing runs of Advanced LIGO and Advanced Vir…
Search for Lensed Gravitational Waves Including Morse Phase Information: An Intriguing Candidate in O2
Liang Dai, Barak Zackay, Tejaswi Venumadhav +2
We search for strongly lensed and multiply imaged gravitational wave signals in the second observing run of Advanced LIGO and Advanced Virgo (O2). We exploit a new source of inform…
Detecting Gravitational Waves With Disparate Detector Responses: Two New Binary Black Hole Mergers
Barak Zackay, Liang Dai, Tejaswi Venumadhav +2
We introduce a new technique to search for gravitational wave events from compact binary mergers that produce a clear signal only in a single gravitational wave detector, and margi…
New binary black hole mergers in the second observing run of Advanced LIGO and Advanced Virgo
Tejaswi Venumadhav, Barak Zackay, Javier Roulet +2
We report the detection of new binary black hole merger events in the publicly available data from the second observing run of advanced LIGO and advanced Virgo (O2). The mergers we…
A Highly Spinning and Aligned Binary Black Hole Merger in the Advanced LIGO First Observing Run
Barak Zackay, Tejaswi Venumadhav, Liang Dai +2
We report a new binary black hole merger in the publicly available LIGO First Observing Run (O1) data release. The event has an inverse false alarm rate of one per six years in the…
Constraints on Binary Black Hole Populations from LIGO-Virgo Detections
Javier Roulet, Matias Zaldarriaga
We reanalyse the LIGO-Virgo strain data of the 10 binary black hole mergers reported to date and compute the likelihood function in terms of chirp mass, mass ratio and effective sp…