MC
Maria Charisi
astro-ph.HEastro-ph.GAgr-qcastro-ph.COastro-ph.IMhep-phastro-ph.SRhep-thstat.ME
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
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W_dr7jvff9·v1published
Preprints & journals
67 papers in the corpus · 2014–2026Constraints on Supermassive Black Hole Binaries from the Lack of Resolvable Sources in the NANOGrav 15-yr Dataset2609.32306v1 · Emiko C. Gardiner, Kayhan Gultekin, Philippe Turgeon et al.2026 · 0 citationsarXiv
Pulsar Timing Array Sensitivity to Anisotropy: Empirical Sensitivity Curves, Scaling Relations, and the Multi-Resolution Pixel Basis2608.09781v1 · Taha T. Moursy, Nihan S. Pol, Gabriella Agazie et al.2026 · 0 citationsarXiv
QuickGWecc: Fast Bayesian pipeline for searching eccentric binaries in pulsar timing array data2607.26051v1 · Lankeswar Dey, Bence B'ecsy, Abhimanyu Susobhanan et al.2026 · 0 citationsarXiv
The NANOGrav 15 yr Data Set: Impacts of Customized Chromatic Noise Models on Gravitational Wave Analyses2606.28554v1 · Nikita Agarwal, Gabriella Agazie, Alessandra Amosso et al.2026 · 0 citationsarXiv
Prospects of resolving and localising individual supermassive black hole binaries with pulsar timing arrays: the host ranking challenge2606.00218v1 · Niccolo Veronesi, Maria Charisi, Polina Petrov et al.2026 · 0 citationsarXiv
Searching for unresolved massive black hole pairs through AGN photometric variability2604.00101v1 · Lorenzo Bertassi, Maria Charisi, Fabio Rigamonti et al.2026 · 1 citationarXiv
Gravitational Wave Measurement of the - Intrinsic Scatter at High Redshift2603.11167v2 · Cayenne Matt, Kayhan Gultekin, Gabriella Agazie et al.2026 · 0 citationsAstrophys. J. 1006, 63, (2026)
The NANOGrav 15 yr Data Set: Piecewise Power-Law Reconstruction of the Gravitational-Wave Background2601.09481v1 · Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald et al.2026 · 1 citationarXiv
Identification of periodicities with arbitrary shapes in AGN light curves2512.13688v2 · Lorenzo Bertassi, Maria Charisi, Riccardo Buscicchio et al.2025 · 0 citationsarXiv
Multi-messenger Analysis of Supermassive Black Hole Binaries: The Joint-likelihood Approach2510.08683v1 · Maria Charisi, Stephen Taylor, Jessie Runnoe et al.2025 · 2 citationsarXiv
Expectations for the first supermassive black-hole binary resolved by PTAs II: Milestones for binary characterization2510.01316v3 · Polina Petrov, Levi Schult, Stephen R. Taylor et al.2025 · 0 citationsarXiv
Expectations for the first supermassive black-hole binary resolved by PTAs I: Model efficacy2510.01317v3 · Levi Schult, Polina Petrov, Stephen R. Taylor et al.2025 · 1 citationarXiv
Inferring Mbh-Mbulge Evolution from the Gravitational Wave Background2508.18126v2 · Cayenne Matt, Kayhan Gultekin, Luke Kelley et al.2025 · 5 citationsarXiv
The NANOGrav 15 yr Data Set: Targeted Searches for Supermassive Black Hole Binaries2508.16534v2 · Nikita Agarwal, Gabriella Agazie, Akash Anumarlapudi et al.2025 · 16 citationsThe Astrophysical Journal Letters, Volume 998, Issue 1, id.L11, 28 pp. (2026)
The Consequences of Rubin Observatory Time-Domain Survey Design and Host-Galaxy Contamination on the Identification of Binary Supermassive Black Holes2508.05742v1 · Megan C. Davis, Jonathan R. Trump, Maria Charisi et al.2025 · 2 citationsarXiv
Lomb-Scargle periodograms struggle with non-sinusoidal supermassive BH binary signatures in quasar lightcurves2505.14778v2 · Allison Lin, Maria Charisi, Zoltan Haiman2025 · 1 citationarXiv
The Host Galaxies of PTA Sources: Converting Supermassive BH Binary Parameters into EM Observables2505.11598v2 · Niccolo Veronesi, Maria Charisi, Stephen R Taylor et al.2025 · 4 citationsThe Astrophysical Journal, 990:46, 2025 September 1
The Tantalizing Case of the Quasar J0950+5128 -- I. Presentation of the Data and Detailed Exploration of the Binary Supermassive Black Hole Scenario2505.06221v4 · Niana N. Mohammed, Jessie C. Runnoe, Michael Eracleous et al.2025 · 2 citationsarXiv
The NANOGrav 15-year Data Set: Search for Gravitational Wave Memory2502.18599v2 · Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald et al.2025 · 0 citationsarXiv
Insights into Supermassive Black Hole Mergers from the Gravitational Wave Background2501.08956v1 · C. M. F. Mingarelli, L. Blecha, T. Bogdanovi'c et al.2025 · 2 citationsNature Astronomy (2025)
The NANOGrav 15 Yr Data Set: Removing Pulsars One by One from the Pulsar Timing Array2411.14846v2 · Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald et al.2024 · 3 citationsarXiv
The NANOGrav 15 yr Data Set: Harmonic Analysis of the Pulsar Angular Correlations2411.13472v1 · Gabriella Agazie, Jeremy G. Baier, Paul T. Baker et al.2024 · 3 citationsarXiv
Inference on inner galaxy structure via gravitational waves from supermassive binaries2411.05906v3 · Yifan Chen, Matthias Daniel, Daniel J. D'Orazio et al.2024 · 6 citationsarXiv
The NANOGrav 15 yr Data Set: Running of the Spectral Index2408.10166v2 · Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald et al.2024 · 11 citationsAstrophys. J. Lett. 978 (2025) 2, L29
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
Periodicity significance testing with null-signal templates: reassessment of PTF's SMBH binary candidates2407.17565v1 · Jakob Robnik, Adrian E. Bayer, Maria Charisi et al.2024 · 14 citationsarXiv
Identifying Host Galaxies of Supermassive Black Hole Binaries Found by PTAs2406.04409v2 · Polina Petrov, Stephen R. Taylor, Maria Charisi et al.2024 · 21 citationsApJ 976 129 (2024)
The NANOGrav 15 yr Data Set: Looking for Signs of Discreteness in the Gravitational-wave Background2404.07020v2 · Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald et al.2024 · 21 citationsThe Astrophysical Journal, Volume 978, Number 1 (2024)
Efficient Large-Scale, Targeted Gravitational-Wave Probes of Supermassive Black-Hole Binaries.38394573 · Charisi, Maria, Taylor, Stephen R, Witt, Caitlin A et al.2024 · 8 citationsPhysical review letters. 2024;132(6):061401
Reliable Identification of Binary Supermassive Black Holes from Rubin Observatory Time-Domain Monitoring2311.10851v1 · Megan C. Davis, Kaylee E. Grace, Jonathan R. Trump et al.2023 · 16 citationsarXiv
Observational Signatures of Supermassive Black Hole Binaries2310.16896v2 · Daniel J. D'Orazio, Maria Charisi2023 · 17 citationsarXiv
The NANOGrav 15-year data set: Search for Transverse Polarization Modes in the Gravitational-Wave Background2310.12138v1 · Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald et al.2023 · 24 citationsarXiv
The NANOGrav 12.5-year data set: A computationally efficient eccentric binary search pipeline and constraints on an eccentric supermassive binary candidate in 3C 66B2309.17438v2 · Gabriella Agazie, Zaven Arzoumanian, Paul T. Baker et al.2023 · 18 citationsAstrophysical Journal, 2024
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)
The NANOGrav 12.5-year Data Set: Search for Gravitational Wave Memory2307.13797v1 · Gabriella Agazie, Zaven Arzoumanian, Paul T. Baker et al.2023 · 29 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
The NANOGrav 15-year Data Set: Observations and Timing of 68 Millisecond Pulsars2306.16217v1 · Gabriella Agazie, Md Faisal Alam, Akash Anumarlapudi et al.2023 · 364 citationsarXivon Valency
The NANOGrav 15-Year Data Set: Detector Characterization and Noise Budget2306.16218v1 · Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald et al.2023 · 146 citationsarXivon Valency
The NANOGrav 15-year Data Set: Search for Signals from New Physics2306.16219v1 · Adeela Afzal, Gabriella Agazie, Akash Anumarlapudi et al.2023 · 751 citationsarXivon Valency
The NANOGrav 15-year Data Set: Constraints on Supermassive Black Hole Binaries from the Gravitational Wave Background2306.16220v2 · Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald et al.2023 · 384 citationsarXiv
The NANOGrav 15-year Data Set: Search for Anisotropy in the Gravitational-Wave Background2306.16221v1 · Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald et al.2023 · 4 citationsarXiv
The NANOGrav 15-year Data Set: Bayesian Limits on Gravitational Waves from Individual Supermassive Black Hole Binaries2306.16222v1 · Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald et al.2023 · 156 citationsarXiv
The NANOGrav 15-year Gravitational-Wave Background Methods2306.16223v3 · Aaron D. Johnson, Patrick M. Meyers, Paul T. Baker et al.2023 · 44 citationsPhys. Rev. D 109, 103012 (2024)
Massive Black Hole Binaries as LISA Precursors in the Roman High Latitude Time Domain Survey2306.14990v1 · Zolt'an Haiman, Chengcheng Xin, Tamara Bogdanovi'c et al.2023 · 4 citationsarXiv
Searching for continuous Gravitational Waves in the second data release of the International Pulsar Timing Array2303.10767v1 · M. Falxa, S. Babak, P. T. Baker et al.2023 · 72 citationsarXiv
The NANOGrav 12.5-year Data Set: Bayesian Limits on Gravitational Waves from Individual Supermassive Black Hole Binaries2301.03608v2 · Zaven Arzoumanian, Paul T. Baker, Laura Blecha et al.2023 · 48 citationsarXivon Valency
The X-ray view of optically selected dual AGN2212.05837v1 · Alessandra De Rosa, Cristian Vignali, Paola Severgnini et al.2022 · 24 citationsarXiv
Astrophysics with the Laser Interferometer Space Antenna2203.06016v2 · Pau Amaro Seoane, Jeff Andrews, Manuel Arca Sedda et al.2022 · 630 citationsLiving Reviews in Relativity, Volume 26, Article number: 2 (2023)
The International Pulsar Timing Array second data release: Search for an isotropic Gravitational Wave Background2201.03980v1 · J. Antoniadis, Z. Arzoumanian, S. Babak et al.2022 · 323 citationsarXivon Valency
Multi-messenger Time-domain Signatures Of Supermassive Black Hole Binaries2110.14661v1 · Maria Charisi, Stephen R. Taylor, Jessie Runnoe et al.2021 · 55 citationsarXiv
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