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Detection of LIGO-Virgo binary black holes in the pair-instability mass gap
Brendan O'Brien, Marek Szczepanczyk, V. Gayathri +5
By probing the population of binary black hole (BBH) mergers detected by LIGO-Virgo, we can infer properties about the underlying black hole formation channels. A mechanism known a…
Optimization of model independent gravitational wave search using machine learning
Tanmaya Mishra, Brendan O'Brien, V. Gayathri +4
The Coherent WaveBurst (cWB) search algorithm identifies generic gravitational wave (GW) signals in the LIGO-Virgo strain data. We propose a machine learning (ML) method to optimiz…
Coherent WaveBurst, a pipeline for unmodeled gravitational-wave data analysis
M. Drago, V. Gayathri, S. Klimenko +12
coherent WaveBurst (cWB) is a highly configurable pipeline designed to detect a broad range of gravitational-wave (GW) transients in the data of the worldwide network of GW detecto…
A wider look at the gravitational-wave transients from GWTC-1 using an unmodeled reconstruction method
F. Salemi, E. Milotti, G. A. Prodi +6
In this paper, we investigate the morphology of the events from the GWTC-1 catalog of compact binary coalescences as reconstructed by a method based on coherent excess power: we us…
Measurement of sub-dominant harmonic modes for gravitational wave emission from a population of binary black holes
Brendan D. O'Brien, Carlos F. Da Silva Costa, Sergey Klimenko
Measurements of multiple harmonic modes in the gravitational wave signals from binary black hole events could provide an accurate test of general relativity, however they have neve…
Constraints on cosmic strings using data from the first Advanced LIGO observing run
The LIGO Scientific Collaboration, the Virgo Collaboration, B. P. Abbott +1042
Cosmic strings are topological defects which can be formed in GUT-scale phase transitions in the early universe. They are also predicted to form in the context of string theory. Th…
Constructive summation of the (2,2) quasi normal mode from a population of black holes
C. F. Da Silva Costa, S. Tiwari, S. Klimenko +1
The quasi normal modes (QNMs) associated with gravitational-wave signals from binary black hole (BBH) mergers can provide deep insight into the remnant's properties. Once design se…
On similarity of binary black hole gravitational-wave skymaps: to observe or to wait?
Salvatore Vitale, Reed Essick, Erik Katsavounidis +2
Localization estimates for GW150914, the first binary black hole detected by the LIGO instruments, were shared with partner facilities for electromagnetic follow-up. While the sour…
All-sky search for short gravitational-wave bursts in the first Advanced LIGO run
The LIGO Scientific Collaboration, the Virgo Collaboration, B. P. Abbott +986
We present the results from an all-sky search for short-duration gravitational waves in the data of the first run of the Advanced LIGO detectors between September 2015 and January…
Effects of waveform model systematics on the interpretation of GW150914
The LIGO Scientific Collaboration, the Virgo Collaboration, B. P. Abbott +999
Parameter estimates of GW150914 were obtained using Bayesian inference, based on three semi-analytic waveform models for binary black hole coalescences. These waveform models diffe…
Binary Black Hole Mergers in the first Advanced LIGO Observing Run
The LIGO Scientific Collaboration, the Virgo Collaboration, B. P. Abbott +972
The first observational run of the Advanced LIGO detectors, from September 12, 2015 to January 19, 2016, saw the first detections of gravitational waves from binary black hole merg…
Comprehensive All-sky Search for Periodic Gravitational Waves in the Sixth Science Run LIGO Data
The LIGO Scientific Collaboration, the Virgo Collaboration, B. P. Abbott +959
We report on a comprehensive all-sky search for periodic gravitational waves in the frequency band 100-1500 Hz and with a frequency time derivative in the range of $[-1.18, +1.00]\…
A Proposed Search for the Detection of Gravitational Waves from Eccentric Binary Black Holes
Vaibhav Tiwari, Sergey Klimenko, Nelson Christensen +14
Most of compact binary systems are expected to circularize before the frequency of emitted gravitational waves (GWs) enters the sensitivity band of the ground based interferometric…
Method for detection and reconstruction of gravitational wave transients with networks of advanced detectors
S. Klimenko, G. Vedovato, M. Drago +8
We present a method for detection and reconstruction of the gravitational-wave (GW) transients with the networks of advanced detectors. Originally designed to search for transients…
Regression of Environmental Noise in LIGO Data
Vaibhav Tiwari, Marco Drago, Valery Frolov +8
We address the problem of noise regression in the output of gravitational-wave (GW) interferometers, using data from the physical environmental monitors (PEM). The objective of the…
A directed search for gravitational waves from Scorpius X-1 with initial LIGO
The LIGO Scientific Collaboration, the Virgo Collaboration, J. Aasi +891
We present results of a search for continuously-emitted gravitational radiation, directed at the brightest low-mass X-ray binary, Scorpius X-1. Our semi-coherent analysis covers 10…
Characterization of the LIGO detectors during their sixth science run
The LIGO Scientific Collaboration, The Virgo Collaboration, J. Aasi +867
In 2009-2010, the Laser Interferometer Gravitational-wave Observa- tory (LIGO) operated together with international partners Virgo and GEO600 as a network to search for gravitation…
Searching for stochastic gravitational waves using data from the two co-located LIGO Hanford detectors
The LIGO Scientific Collaboration, the Virgo Collaboration, J. Aasi +873
Searches for a stochastic gravitational-wave background (SGWB) using terrestrial detectors typically involve cross-correlating data from pairs of detectors. The sensitivity of such…
Improved Upper Limits on the Stochastic Gravitational-Wave Background from 2009-2010 LIGO and Virgo Data
The LIGO Scientific Collaboration, the Virgo Collaboration, J. Aasi +846
Gravitational waves from a variety of sources are predicted to superpose to create a stochastic background. This background is expected to contain unique information from throughou…
Sensitivity Comparison of Searches for Binary Black Hole Coalescences with Ground-based Gravitational-Wave Detectors
Satya Mohapatra, Laura Cadonati, Sarah Caudill +7
Searches for gravitational-wave transients from binary black hole coalescences typically rely on one of two approaches: matched filtering with templates and morphology-independent…
First all-sky search for continuous gravitational waves from unknown sources in binary systems
The LIGO Scientific Collaboration, the Virgo Collaboration, J. Aasi +849
We present the first results of an all-sky search for continuous gravitational waves from unknown spinning neutron stars in binary systems using LIGO and Virgo data. Using a specia…
Search for gravitational wave ringdowns from perturbed intermediate mass black holes in LIGO-Virgo data from 2005-2010
The LIGO Scientific Collaboration, the Virgo Collaboration, J. Aasi +849
We report results from a search for gravitational waves produced by perturbed intermediate mass black holes (IMBH) in data collected by LIGO and Virgo between 2005 and 2010. The se…
The NINJA-2 project: Detecting and characterizing gravitational waveforms modelled using numerical binary black hole simulations
The LIGO Scientific Collaboration, the Virgo Collaboration, 2 Collaboration +888
The Numerical INJection Analysis (NINJA) project is a collaborative effort between members of the numerical relativity and gravitational-wave astrophysics communities. The purpose…
Application of a Hough search for continuous gravitational waves on data from the 5th LIGO science run
The LIGO Scientific Collaboration, The Virgo Collaboration, J. Aasi +876
We report on an all-sky search for periodic gravitational waves in the frequency range with the first derivative of frequency in the range $-8.9 \times 10^{-1…