SV
Sarah J. Vigeland
astro-ph.HEgr-qcastro-ph.IMastro-ph.GAastro-ph.COhep-phastro-ph.SRastro-phphysics.ed-ph
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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Preprints & journals
73 papers in the corpus · 2005–2026Constraints 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
Generalized Non-linear Bayesian Pulsar Timing with Enterprise2608.18047v1 · Andrew R. Kaiser, Jeffrey S. Hazboun, Maura A. McLaughlin 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
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
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
The NANOGrav 12.5-year Data Set: Chromatic Noise Characterization & Mitigation with Time-Domain Kernels2511.22597v1 · Jeffrey S. Hazboun, Joseph Simon, Jeremy Baier et al.2025 · 1 citationarXiv
Optimal strategies for continuous wave detection in pulsar timing arrays: Realistic pulsar noise and a gravitational wave background2511.01919v1 · Shashwat C. Sardesai, Gabriel E. Freedman, Sarah J. Vigeland et al.2025 · 0 citationsarXiv
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)
Towards robust gravitational wave detections from individual supermassive black hole binaries2502.18114v1 · Bence B'ecsy, Neil J. Cornish, Polina Petrov 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
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
The NANOGrav 12.5-Year Data Set: Probing Interstellar Turbulence and Precision Pulsar Timing with PSR J1903+03272411.08191v1 · Abra Geiger, James M. Cordes, Michael T. Lam et al.2024 · 9 citations2025 ApJ 986 191
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
Characterizing the nanohertz gravitational wave background using a -process power spectral density2408.10139v2 · Shashwat C. Sardesai, Joseph Simon, Sarah J. Vigeland2024 · 3 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
An efficient pipeline for joint gravitational wave searches from individual binaries and a gravitational wave background with Hamiltonian sampling2407.11135v1 · Gabriel E. Freedman, Sarah J. Vigeland2024 · 0 citationsarXiv
Status Report on Global Pulsar-Timing-Array Efforts to Detect Gravitational Waves2404.19529v1 · Joris P.W. Verbiest, Sarah J. Vigeland, Nataliya K. Porayko et al.2024 · 20 citationsarXiv
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)
Windows on the Universe: Establishing the Infrastructure for a Collaborative Multi-messenger Ecosystem2401.02063v2 · The 2023 Windows on the Universe Workshop White Paper Working Group: T. Ahumada, J. E. Andrews, S. Antier et al.2024 · 0 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: Dispersion Measure Mis-Estimation with Varying Bandwidths2307.13248v2 · Sofia Valentina Sosa Fiscella, Michael T. Lam, Zaven Arzoumanian et al.2023 · 0 citationsarXiv
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)
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
Generalized optimal statistic for characterizing multiple correlated signals in pulsar timing arrays2303.09615v2 · Shashwat C. Sardesai, Sarah J. Vigeland, Kyle A. Gersbach et al.2023 · 15 citationsPhys. Rev. D 108 (2023) 124081on Valency
Multimessenger Approaches to Supermassive Black Hole Binary Detection and Parameter Estimation II: Optimal Strategies for a Pulsar Timing Array2301.07135v1 · Tingting Liu, Tyler Cohen, Casey McGrath et al.2023 · 14 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
Efficient Gravitational Wave Searches with Pulsar Timing Arrays using Hamiltonian Monte Carlo2211.01401v2 · Gabriel E. Freedman, Aaron D. Johnson, Rutger van Haasteren et al.2022 · 11 citationsarXiv
An unusual pulse shape change event in PSR J1713+0747 observed with the Green Bank Telescope and CHIME2210.12266v3 · Ross J. Jennings, James M. Cordes, Shami Chatterjee et al.2022 · 20 citationsarXiv
Disentangling Multiple Stochastic Gravitational Wave Background Sources in PTA Datasets2208.02307v2 · Andrew R. Kaiser, Nihan S. Pol, Maura A. McLaughlin et al.2022 · 20 citationsarXivon Valency
Gravitational Wave Statistics for Pulsar Timing Arrays: Examining Bias from Using a Finite Number of Pulsars2201.10657v2 · Aaron D. Johnson, Sarah J. Vigeland, Xavier Siemens et al.2022 · 10 citationsarXiv
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
The NANOGrav 12.5-year data set: Search for Non-Einsteinian Polarization Modes in theGravitational-Wave Background2109.14706v1 · Zaven Arzoumanian, Paul T. Baker, Harsha Blumer et al.2021 · 58 citationsThe Astrophysical Journal Letters, vol. 923, no. 2, p. L22, Dec. 2021
Towards Equitable, Diverse, and Inclusive Science Collaborations: The Multimessenger Diversity Network2107.12179v1 · E. Bechtol, K. Bechtol, S. BenZvi et al.2021 · 0 citationsarXiv
Multi-messenger Approaches to Supermassive Black Hole Binary Detection and Parameter Estimation: Implications for Nanohertz Gravitational Wave Searches with Pulsar Timing Arrays2105.08087v2 · Tingting Liu, Sarah J. Vigeland2021 · 26 citationsarXiv
Searching For Gravitational Waves From Cosmological Phase Transitions With The NANOGrav 12.5-year dataset2104.13930v2 · Zaven Arzoumanian, Paul T. Baker, Harsha Blumer et al.2021 · 118 citationsPhys.Rev.Lett. 127 (2021) 25, 251302
The NANOGrav 12.5-Year Data Set: Monitoring Interstellar Scattering Delays2012.09884v2 · Jacob E. Turner, Maura A. McLaughlin, James M. Cordes et al.2020 · 24 citationsarXiv
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