JS
Joseph Simon
astro-ph.HEgr-qcastro-ph.GAastro-ph.IMastro-ph.COastro-ph.EPastro-ph.SRhep-phphysics.data-anphysics.space-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
60 papers in the corpus · 2015–2026Overmassive supermassive black holes in SDSS close galaxy pairs2608.27730v1 · Maggie C. Huber, Julia M. Comerford, Joseph Simon2026 · 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
The NANOGrav 15 yr Data Set: Customized Chromatic Noise Models2606.28571v1 · Bjorn Larsen, Jeremy G. Baier, Daniel J. Oliver et al.2026 · 1 citationApJ 1005 29 (2026)
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 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
Preferential Accretion onto the Secondary Black Hole Strengthens Gravitational Wave Signals2510.06325v1 · Julia M. Comerford, Joseph Simon2025 · 1 citationarXiv
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)
Enhanced Star Formation and Black Hole Accretion Rates in Galaxy Mergers in IllustrisTNG502507.01092v2 · Aimee L. Schechter, Shy Genel, Bryan Terrazas et al.2025 · 4 citationsarXiv
The impact of applying black hole-host galaxy scaling relations to large galaxy populations2506.08102v1 · Maggie C. Huber, Joseph Simon, Julia M. Comerford2025 · 4 citationsarXiv
The NANOGrav 15-Year Data Set: A Case Study for Simplified Dispersion Measure Modeling for PSR J1455-3330 and the Impact on Gravitational Wave Sensitivity2506.03597v2 · Michael T. Lam, David L. Kaplan, Gabriella Agazie et al.2025 · 0 citationsarXiv
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
Rapid Construction of Joint Pulsar Timing Array Datasets: The Lite Method2503.20949v2 · Bjorn Larsen, Chiara M. F. Mingarelli, Paul T. Baker et al.2025 · 4 citationsMon Not R Astron Soc (2025) 3028-3048
The NANOGrav 15-year Data Set: Search for Gravitational Wave Memory2502.18599v2 · Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald et al.2025 · 0 citationsarXiv
Deep Neural Emulation of the Supermassive Black-hole Binary Population2411.10519v1 · Nima Laal, Stephen R. Taylor, Luke Zoltan Kelley et al.2024 · 9 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: Posterior predictive checks for gravitational-wave detection with pulsar timing arrays2407.20510v2 · Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald et al.2024 · 4 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)
GraL spectroscopic identification of multiply imaged quasars2312.08217v1 · Priyanka Jalan, Vibhore Negi, Jean Surdej et al.2023 · 2 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)
Comparing recent PTA results on the nanohertz stochastic gravitational wave background2309.00693v1 · G. Agazie, J. Antoniadis, A. Anumarlapudi et al.2023 · 17 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 Impact of Black Hole Scaling Relation Assumptions on the Mass Density of Black Holes2307.04878v1 · Cayenne Matt, Kayhan Gultekin, Joseph Simon2023 · 14 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)
Exploring Proxies for the Supermassive Black Hole Mass Function: Implications for Pulsar Timing Arrays2306.01832v1 · Joseph Simon2023 · 21 citationsApJL 949 L24 (2023)
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
A declining major merger fraction with redshift in the local Universe from the largest-yet catalog of major and minor mergers in SDSS2303.06249v1 · R. Nevin, L. Blecha, J. Comerford et al.2023 · 27 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 Pan-STARRS1 z>5.6 quasar survey II: Discovery of 55 Quasars at 5.6<z<6.52212.04452v1 · Eduardo Banados, Jan-Torge Schindler, Bram P. Venemans et al.2022 · 54 citationsarXiv
Multi-wavelength observations of the obscuring wind in the radio-quiet quasar MR 2251-1782210.05939v1 · Junjie Mao, G. A. Kriss, H. Landt et al.2022 · 17 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
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
Bayesian Solar Wind Modeling with Pulsar Timing Arrays2111.09361v1 · Jeffrey S. Hazboun, Joseph Simon, Dustin R. Madison et al.2021 · 27 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
Model Dependence of Bayesian Gravitational-Wave Background Statistics for Pulsar Timing Arrays2009.05143v1 · Jeffrey S. Hazboun, Joseph Simon, Xavier Siemens et al.2020 · 34 citationsarXiv
Multi-Messenger Gravitational Wave Searches with Pulsar Timing Arrays: Application to 3C66B Using the NANOGrav 11-year Data Set2005.07123v2 · Zaven Arzoumanian, Paul T. Baker, Adam Brazier et al.2020 · 54 citationsarXiv
Modeling the uncertainties of solar-system ephemerides for robust gravitational-wave searches with pulsar timing arrays2001.00595v2 · M. Vallisneri, S. R. Taylor, J. Simon et al.2020 · 90 citationsarXivon Valency
A pulsar-based timescale from the International Pulsar Timing Array1910.13628v1 · G. Hobbs, L. Guo, R. N. Caballero et al.2019 · 99 citationsarXivon Valency
The International Pulsar Timing Array: Second data release1909.04534v1 · B. B. P. Perera, M. E. DeCesar, P. B. Demorest et al.2019 · 297 citationsarXivon Valency
Physics Beyond the Standard Model With Pulsar Timing Arrays1907.04960v1 · Xavier Siemens, Jeffrey S. Hazboun, Paul T. Baker et al.2019 · 5 citationsarXiv
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