KC
Katerina Chatziioannou
gr-qcastro-ph.HEastro-ph.COastro-ph.IMnucl-thhep-phhep-thnucl-exastro-ph.SRphysics.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_uzby3x45·v1published
W_ch62syud·v1published
W_dr7jvff9·v1published
Preprints & journals
171 papers in the corpus · 2012–2026The WDM time-frequency transform in gravitational-wave data analysis II: Evolutionary spectrum and noise covariance2610.19002v1 · Aaron D. Johnson, Katerina Chatziioannou, Robert Rosati2026 · 0 citationsarXiv
Toward a complete understanding of the properties of GW1905212610.09199v1 · Aasim Jan, Sophia Nicolella, Aaron Zimmerman et al.2026 · 0 citationsarXiv
Observational selection effects on radio pulsars are minimal for masses, but significant for orbits and spins2609.03157v1 · Lisa V. Drummond, Katerina Chatziioannou, Emmanuel Fonseca2026 · 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
GWTC-5.0: Tests of General Relativity2607.19293v1 · A. G. Abac, A. Abe, I. Abouelfettouh et al.2026 · 0 citationsarXiv
The WDM Time-Frequency Transform in Gravitational-Wave Data Analysis I: Formalism2606.21473v2 · Aaron Johnson, Katerina Chatziioannou, Jake Summers2026 · 0 citationsarXiv
Open Data from LIGO, Virgo, and KAGRA through the Second Part of the Fourth Observing Run2605.27090v2 · A. G. Abac, A. Abe, I. Abouelfettouh 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
GWTC-5.0: Methods for Identifying and Characterizing Gravitational-wave Transients2605.27224v2 · A. G. Abac, A. Abe, I. Abouelfettouh et al.2026 · 0 citationsarXiv
GWTC-5.0: Observations from the Second Part of the Fourth LIGO-Virgo-KAGRA Observing Run and Updates to the Gravitational-Wave Transient Catalog2605.27225v3 · A. G. Abac, A. Abe, I. Abouelfettouh et al.2026 · 0 citationsarXiv
GWTC-5.0: Population Properties of Merging Compact Binaries2605.27226v2 · A. G. Abac, A. Abe, I. Abouelfettouh et al.2026 · 0 citationsarXiv
GWTC-5.0: Constraints on the Cosmic Expansion Rate and Modified Gravitational-wave Propagation2605.27227v2 · A. G. Abac, A. Abe, I. Abouelfettouh et al.2026 · 0 citationsarXiv
labrador: A domain-optimized machine-learning tool for gravitational wave inference2604.08897v2 · Javier Roulet, Marco Crisostomi, Lucy M. Thomas et al.2026 · 0 citationsPhys. Rev. D 114, 024080. Published 28 July, 2026
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
Posterior Predictive Checks for Gravitational-wave Populations: Limitations and Improvements2604.06090v2 · Simona J. Miller, Sophia Winney, Katerina Chatziioannou et al.2026 · 0 citationsarXiv
Low-mass failed supernovae and the peak in the merging black hole mass distribution2604.01420v1 · Isaac Legred, Jacob Golomb, Katerina Chatziioannou2026 · 0 citationsarXiv
Revisiting the Coprecessing Frame in the Presence of Orbital Eccentricity2603.29307v1 · Lucy M. Thomas, Katerina Chatziioannou, Sam Johar et al.2026 · 0 citationsarXiv
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
The impact of waveform systematics and Gaussian noise on the interpretation of GW2311232601.09678v1 · Sophie Bini, Krzysztof Kr'ol, Katerina Chatziioannou et al.2026 · 7 citationsPhys. Rev. D 113, 083036, 24 april 2026
Photon counting readout for detection and inference of gravitational waves from neutron star merger remnants2511.09656v3 · Ethan Payne, Lee McCuller, Katerina Chatziioannou2025 · 0 citationsarXiv
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)
Directional Search for Persistent Gravitational Waves: Results from the First Part of LIGO-Virgo-KAGRA's Fourth Observing Run2510.17487v1 · A. G. Abac, I. Abouelfettouh, F. Acernese et al.2025 · 3 citationsPhys.Rev.D 114 (2026) 2, 022001
A comprehensive look into the accuracy of SpEC binary black hole waveforms2510.06393v2 · Taylor Knapp, Katerina Chatziioannou, Keefe Mitman et al.2025 · 1 citationarXiv
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
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)
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)
Unified nonparametric equation-of-state inference from the neutron-star crust to perturbative-QCD densities2505.13691v2 · Eliot Finch, Isaac Legred, Katerina Chatziioannou et al.2025 · 7 citationsPhys. Rev. D 112, 103023 (2025)
Nonparametric extensions of nuclear equations of state: probing the breakdown scale of relativistic mean-field theory2505.07677v2 · Isaac Legred, Liam Brodie, Alexander Haber et al.2025 · 8 citationsPhys. Rev. D 112, 063003 - Published 2 September, 2025
Mapping Parameter Correlations in Spinning Binary Black Hole Mergers2502.17402v2 · Karen Kang, Simona J. Miller, Katerina Chatziioannou et al.2025 · 3 citationsarXiv
PETRA: From the LISA global fit to a catalog of Galactic binaries2502.14818v2 · Aaron D. Johnson, Javier Roulet, Katerina Chatziioannou et al.2025 · 4 citationsPhys. Rev. D 112, 024045 (2025)
Optimizing Neural Network Surrogate Models: Application to Black Hole Merger Remnants2501.16462v2 · Lucy M. Thomas, Katerina Chatziioannou, Vijay Varma et al.2025 · 5 citationsPhys. Rev. D 111, 104029 (Published 19th May 2025)
Curvature Dependence of Gravitational-Wave Tests of General Relativity.39752710 · Payne, Ethan, Isi, Maximiliano, Chatziioannou, Katerina et al.2025 · 7 citationsPhysical review letters. 2024;133(25):251401
The interplay of astrophysics and nuclear physics in determining the properties of neutron stars2410.14597v2 · Jacob Golomb, Isaac Legred, Katerina Chatziioannou et al.2024 · 15 citationsarXiv
Parameter control for eccentric, precessing binary black hole simulations with SpEC2410.02997v2 · Taylor Knapp, Katerina Chatziioannou, Harald Pfeiffer et al.2024 · 12 citationsarXiv
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)
Compact binary coalescences: gravitational-wave astronomy with ground-based detectors2409.02037v1 · K. Chatziioannou, T. Dent, M. Fishbach et al.2024 · 1 citationarXiv
The NANOGrav 15 yr data set: Posterior predictive checks for gravitational-wave detection with pulsar timing arrays2407.20510v2 · Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald et al.2024 · 4 citationsarXiv
Nonlinear Alfvén-wave Dynamics and Premerger Emission from Crustal Oscillations in Neutron Star Mergers2407.17026v3 · Elias R. Most, Yoonsoo Kim, Katerina Chatziioannou et al.2024 · 7 citationsApJL 973 L37 (2024)
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