SH
Sophie Hourihane
gr-qcastro-ph.HEastro-ph.COastro-ph.IMhep-phastro-ph.EPhep-thphysics.data-an
On Valency
published · living versionsW_g27cs8db·v1 · currentpublished
The NANOGrav 15-year Data Set: Search for Signals from New Physics
with Adeela Afzal, Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald +118
1 version
W_ch62syud·v1published
W_dr7jvff9·v1published
Preprints & journals
86 papers in the corpus · 2018–2026Direct Multimodel Dark Matter Search with Gravitational-Wave Interferometers Using Data from the First Part of the Fourth LIGO-Virgo-KAGRA Observing Run.42854116 · Abac, A G, Abouelfettouh, I, Acernese, F et al.2026 · 0 citationsPhysical review letters. 2026;137(13):131001
Updated Upper Limits on the Isotropic Gravitational-Wave Background from LIGO, Virgo, and KAGRA Data through April 20252608.23477v1 · A. G. Abac, A. Abe, I. Abouelfettouh et al.2026 · 0 citationsarXiv
GW240925 and GW250207: Astrophysical Calibration of Gravitational Wave Detectors.42675396 · Abac, A G, Abouelfettouh, I, Acernese, F et al.2026 · 2 citationsPhysical review letters. 2026;137(7):071401
Constraints on ultralight bosons from merging binary and remnant black holes observed during the second and third parts of the fourth LIGO-Virgo-KAGRA observing run2608.11620v1 · A. G. Abac, A. Abe, I. Abouelfettouh et al.2026 · 0 citationsarXiv
LIGO A: Detector Design and Science Prospects Beyond A+2608.11673v1 · L. Sun, K. Kuns, B. J. J. Slagmolen et al.2026 · 0 citationsarXiv
GWTC-5.0: Tests of General Relativity2607.19293v1 · A. G. Abac, A. Abe, I. Abouelfettouh et al.2026 · 0 citationsarXiv
Sub-Torque-Balance Upper Limits on Continuous Gravitational Waves from Scorpius X-12607.07765v1 · the Precision Ephemerides for Gravitational-Wave Searches, I. Abouelfettouh, F. Acernese et al.2026 · 0 citationsarXiv
GWTC-5.0: An Introduction to Version 5.0 of the Gravitational-Wave Transient Catalog2605.27223v2 · A. G. Abac, A. Abe, I. Abouelfettouh et al.2026 · 0 citationsarXiv
Searches for Binary Mergers with Sub-solar Mass Components in Data from the First Part of LIGO--Virgo--KAGRA's Fourth Observing Run2605.05444v2 · A. G. Abac, I. Abouelfettouh, F. Acernese et al.2026 · 0 citationsarXiv
Coalescing Compact Binary Parameter Estimation with Gravitational Waves in the Presence of non-Gaussian Transient Noise2604.07668v1 · Yannick Lecoeuche, Jess McIver, Alan M. Knee et al.2026 · 0 citationsarXiv
Searches for Continuous Gravitational Waves from Supernova Remnants in the first part of the LIGO-Virgo-KAGRA Fourth Observing run2603.25808v2 · A. G. Abac, I. Abouelfettouh, F. Acernese et al.2026 · 2 citationsThe Astrophysical Journal, 1004 204 (2026)
Narrowband searches for continuous gravitational waves from known pulsars in the first two parts of the fourth LIGO--Virgo--KAGRA observing run2603.25938v2 · A. G. Abac, I. Abouelfettouh, F. Acernese et al.2026 · 1 citationThe Astrophysical Journal, 1005:221, 2026 July 10
GWTC-4.0: Tests of General Relativity. I. Overview and General Tests2603.19019v1 · A. G. Abac, I. Abouelfettouh, F. Acernese et al.2026 · 1 citationarXiv
GWTC-4.0: Tests of General Relativity. II. Parameterized Tests2603.19020v2 · A. G. Abac, I. Abouelfettouh, F. Acernese et al.2026 · 1 citationarXiv
GWTC-4.0: Tests of General Relativity. III. Tests of the Remnants2603.19021v1 · A. G. Abac, I. Abouelfettouh, F. Acernese et al.2026 · 1 citationarXiv
All-sky Searches for Continuous Gravitational Waves from Isolated Neutron Stars in the Data from the First Part of the Fourth LIGO-Virgo-KAGRA Observing Run2603.14168v1 · A. G. Abac, I. Abouelfettouh, F. Acernese et al.2026 · 0 citationsarXiv
Deep Search for Joint Sources of Gravitational Waves and High-Energy Neutrinos with IceCube During the Third Observing Run of LIGO and Virgo2601.07595v3 · R. Abbasi, M. Ackermann, J. Adams et al.2026 · 0 citationsarXiv
Constraints on gravitational waves from the 2024 Vela pulsar glitch2512.17990v2 · A. G. Abac, I. Abouelfettouh, F. Acernese et al.2025 · 1 citationThe Astrophysical Journal 1005:12 (2026)
GWTC-4.0: Searches for Gravitational-Wave Lensing Signatures2512.16347v3 · A. G. Abac, I. Abouelfettouh, F. Acernese et al.2025 · 1 citationarXiv
Search for planetary-mass ultra-compact binaries using data from the first part of the LIGO--Virgo--KAGRA fourth observing run2511.19911v3 · A. G. Abac, I. Abouelfettouh, F. Acernese et al.2025 · 0 citationsPhys. Rev. D 114, 022005 (2026)
GW241011 and GW241110: Exploring Binary Formation and Fundamental Physics with Asymmetric, High-Spin Black Hole Coalescence2510.26931v1 · A. G. Abac, I. Abouelfettouh, F. Acernese et al.2025 · 34 citationsAstrophys. J. Letters, 993, L21 (2025)
Inferring the spins of merging black holes in the presence of data-quality issues2510.05029v3 · Rhiannon Udall, Sophie Bini, Katerina Chatziioannou et al.2025 · 5 citationsPhys. Rev. D 113 (2026), 042005
GW250114: Testing Hawking's Area Law and the Kerr Nature of Black Holes.41004747 · Abac, A G, Abouelfettouh, I, Acernese, F et al.2025 · 130 citationsPhysical review letters. 2025;135(11):111403
GW230814: investigation of a loud gravitational-wave signal observed with a single detector2509.07348v2 · A. G. Abac, I. Abouelfettouh, F. Acernese et al.2025 · 9 citationsAstrophys.J.Lett. 1004 (2026) 2, L23
Directed searches for gravitational waves from ultralight vector boson clouds around merger remnant and galactic black holes during the first part of the fourth LIGO-Virgo-KAGRA observing run2509.07352v3 · A. G. Abac, I. Abouelfettouh, F. Acernese et al.2025 · 1 citationarXiv
GWTC-4.0: Constraints on the Cosmic Expansion Rate and Modified Gravitational-wave Propagation2509.04348v3 · A. G. Abac, I. Abouelfettouh, F. Acernese et al.2025 · 15 citationsThe Astrophysical Journal Letters, 2026, Volume 1007, Number 1
Upper Limits on the Isotropic Gravitational-Wave Background from the first part of LIGO, Virgo, and KAGRA's fourth Observing Run2508.20721v1 · A. G. Abac, I. Abouelfettouh, F. Acernese et al.2025 · 3 citationsarXiv
Open Data from LIGO, Virgo, and KAGRA through the First Part of the Fourth Observing Run2508.18079v4 · A. G. Abac, I. Abouelfettouh, F. Acernese et al.2025 · 17 citationsThe Astrophysical Journal, 2026, Volume 1004, Number 2, Page 232
GWTC-4.0: An Introduction to Version 4.0 of the Gravitational-Wave Transient Catalog2508.18080v3 · A. G. Abac, I. Abouelfettouh, F. Acernese et al.2025 · 69 citationsThe Astrophysical Journal Letters, 2025, Volume 995, Number 1
GWTC-4.0: Methods for Identifying and Characterizing Gravitational-wave Transients2508.18081v3 · A. G. Abac, I. Abouelfettouh, F. Acernese et al.2025 · 24 citationsThe Astrophysical Journal Letters, 2026, Volume 1004, Number 2
GWTC-4.0: Updating the Gravitational-Wave Transient Catalog with Observations from the First Part of the Fourth LIGO-Virgo-KAGRA Observing Run2508.18082v3 · A. G. Abac, I. Abouelfettouh, F. Acernese et al.2025 · 99 citationsThe Astrophysical Journal Letters, 2026, Volume 1004, Number 2
GWTC-4.0: Population Properties of Merging Compact Binaries2508.18083v2 · A. G. Abac, I. Abouelfettouh, F. Acernese et al.2025 · 58 citationsAstrophys. J. Lett. 1005, L51 (2026)
All-sky search for long-duration gravitational-wave transients in the first part of the fourth LIGO-Virgo-KAGRA Observing run2507.12282v2 · A. G. Abac, I. Abouelfettouh, F. Acernese et al.2025 · 3 citationsPhys. Rev. D 113, 082004 (2026)
GW231123: a Binary Black Hole Merger with Total Mass 190-265 2507.08219v3 · A. G. Abac, I. Abouelfettouh, F. Acernese et al.2025 · 128 citationsApJL 993 L25 (2025)
Glitches far from transient gravitational-wave events do not bias inference2506.21869v2 · Sophie Hourihane, Katerina Chatziioannou2025 · 3 citationsarXiv
Measuring spin precession from massive black hole binaries with gravitational waves: insights from time-domain signal morphology2505.14573v3 · Simona J. Miller, Maximiliano Isi, Katerina Chatziioannou et al.2025 · 7 citationsPhys. Rev. D 112, 104046 (2025)
Search for continuous gravitational waves from known pulsars in the first part of the fourth LIGO-Virgo-KAGRA observing run2501.01495v2 · A. G. Abac, R. Abbott, I. Abouelfettouh et al.2025 · 19 citationsAstrophys.J. 983 (2025) 2, 99
Search for gravitational waves emitted from SN 2023ixf2410.16565v2 · A. G. Abac, R. Abbott, I. Abouelfettouh et al.2024 · 15 citationsApJ 985 183 (2025)
A search using GEO600 for gravitational waves coincident with fast radio bursts from SGR 1935+21542410.09151v2 · A. G. Abac, R. Abbott, I. Abouelfettouh et al.2024 · 5 citationsApJ 977 255 (2024)
The anti-aligned spin of GW191109: glitch mitigation and its implications2409.03912v4 · Rhiannon Udall, Sophie Hourihane, Simona Miller et al.2024 · 23 citationsPhys. Rev. D 111, 024046 (2025)
LIGO Detector Characterization in the first half of the fourth Observing run2409.02831v2 · S. Soni, B. K. Berger, D. Davis et al.2024 · 65 citationsarXiv
Swift-BAT GUANO follow-up of gravitational-wave triggers in the third LIGO-Virgo-KAGRA observing run2407.12867v2 · Gayathri Raman, Samuele Ronchini, James Delaunay et al.2024 · 2 citationsApJ, Volume 980, 2025, 207
Observation of Gravitational Waves from the Coalescence of a Compact Object and a Neutron Star2404.04248v3 · A. G. Abac, R. Abbott, I. Abouelfettouh et al.2024 · 212 citationsAstrophys. J. Lett. 970, L34 (2024)
Ultralight vector dark matter search using data from the KAGRA O3GK run2403.03004v1 · A. G. Abac, R. Abbott, H. Abe et al.2024 · 21 citationsarXiv
Assessing and Mitigating the Impact of Glitches on Gravitational-Wave Parameter Estimation: a Model Agnostic Approach2311.09159v2 · Sudarshan Ghonge, Joshua Brandt, J. M. Sullivan et al.2023 · 22 citationsarXiv
How to Detect an Astrophysical Nanohertz Gravitational-Wave Background2309.04443v2 · Bence B'ecsy, Neil J. Cornish, Patrick M. Meyers et al.2023 · 17 citationsApJ 959 9 (2023)
Comparing recent PTA results on the nanohertz stochastic gravitational wave background2309.00693v1 · G. Agazie, J. Antoniadis, A. Anumarlapudi et al.2023 · 17 citationsarXiv
A Joint Fermi-GBM and Swift-BAT Analysis of Gravitational-Wave Candidates from the Third Gravitational-wave Observing Run2308.13666v1 · C. Fletcher, J. Wood, R. Hamburg et al.2023 · 10 citationsarXiv
Search for Eccentric Black Hole Coalescences during the Third Observing Run of LIGO and Virgo2308.03822v1 · A. G. Abac, R. Abbott, H. Abe et al.2023 · 45 citationsarXiv
The NANOGrav 15-year Data Set: Evidence for a Gravitational-Wave Background2306.16213v1 · Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald et al.2023 · 1,471 citationsarXivon Valency
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