MD
Megan E. DeCesar
astro-ph.HEgr-qcastro-ph.IMastro-ph.GAastro-ph.SRastro-ph.COhep-phastro-ph.EPphysics.ed-phphysics.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
94 papers in the corpus · 2010–2026The NANOGrav 15 yr Dataset: Modified Functional Forms for Profile-Evolution Time Delays in Pulsar Timing Models2610.10431v1 · Sofia V. Sosa Fiscella, Michael T. Lam, Olivia West et al.2026 · 0 citationsarXiv
Optimal Pulsar Timing Array Strategies with the Deep Synoptic Array2610.00836v1 · Tyler Cohen, Paul B. Demorest, Jeremy G. Baier et al.2026 · 0 citationsarXiv
Constraints 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
Pulse profiles of accreting neutron stars - A review of analysis methods, observations, and theoretical models2608.20876v1 · Katja Pottschmidt, Peter Kretschmar, Ekaterina Sokolova-Lapa 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
Mitigating the Timing Impact of Anomalous Pulse Profile Shape Variability in PSR J1713+0747 with Gaussian Component Modeling2607.12038v1 · Shania A. Nichols, Michael T. Lam, Gabriella Agazie et al.2026 · 0 citationsarXiv
Evaluating the Fourier Approximation in Pulsar Timing Array Analysis2606.30536v1 · Yongqi Zhang, Hayden Scholz, Ken D. Olum 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)
The NANOGrav 15 yr and 20 yr Datasets: Timing Events and Pulse Shape Changes2604.05453v1 · Ben Jacobson-Bell, James M. Cordes, Shami Chatterjee 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)
Discovery and Timing of the First Millisecond Pulsar in NGC 63162603.06476v2 · Deven Bhakta, Scott M. Ransom, Megan DeCesar et al.2026 · 0 citationsThe Astrophysical Journal, Volume 1007, Issue 1, article id. 29, 7pp. (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
CHIME-o-Grav: Wideband Timing of Four Millisecond Pulsars from the NANOGrav 15-yr dataset2510.16668v3 · Gabriella Agazie, David L. Kaplan, Abhimanyu Susobhanan et al.2025 · 2 citationsarXiv
Searching for Exotrojans in Pulsar Systems2510.16164v2 · Jackson D. Taylor, Emmanuel Fonseca, Lankeswar Dey et al.2025 · 0 citationsApJ 1000 (2026) 82
The NANOGrav 15-Year Data Set: Improved Timing Precision With VLBI Astrometric Priors2509.21203v2 · Sofia V. Sosa Fiscella, Michael T. Lam, Gabriella Agazie 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)
The NANOGrav 15-year Data Set: Search for Gravitational Scattering of Pulsars by Free-Floating Objects in Interstellar Space2507.19475v2 · Lankeswar Dey, Ross J. Jennings, Jackson D. Taylor et al.2025 · 0 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 NANOGrav 15-year Data Set: Search for Gravitational Wave Memory2502.18599v2 · Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald et al.2025 · 0 citationsarXiv
PSR J1947-1120: A New Huntsman Millisecond Pulsar Binary2501.05509v1 · Jay Strader, Paul S. Ray, Ryan Urquhart et al.2025 · 5 citationsarXiv
Timing of Seven Isolated Pulsars in the Globular Cluster Terzan 12412.11271v1 · Justine Singleton, Megan DeCesar, Shi Dai et al.2024 · 0 citationsarXiv
A Novel Technique for Long-term Timing of Redback Millisecond Pulsars2412.08688v2 · Kyle A. Corcoran, Scott M. Ransom, Alexandra C. Rosenthal et al.2024 · 2 citationsarXiv
Pulse Profile Variability of PSR J1022+1001 in NANOGrav Data2412.05452v1 · William Fiore, Maura A. McLaughlin, Gabriella Agazie et al.2024 · 2 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
A 34 Yr Timing Solution of the Redback Millisecond Pulsar Terzan 5A2410.21648v2 · Alexandra C. Rosenthal, Scott M. Ransom, Kyle A. Corcoran et al.2024 · 8 citationsThe Astrophysical Journal, 2025, Volume 982, p170
Key Science Goals for the Next Generation Very Large Array (ngVLA): Update from the ngVLA Science Advisory Council (2024)2408.14497v1 · David J. Wilner, Brenda C. Matthews, Brett McGuire et al.2024 · 1 citationarXiv
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
The Anomalous Acceleration of PSR J2043+1711: Long-Period Orbital Companion or Stellar Flyby?2407.06482v3 · Thomas Donlon II, Sukanya Chakrabarti, Michael T. Lam et al.2024 · 8 citationsarXiv
Exploring pulsar timing precision: A comparative study of polarization calibration methods for NANOGrav data from the Green Bank Telescope2406.13463v2 · Lankeswar Dey, Maura A. McLaughlin, Haley M. Wahl et al.2024 · 5 citationsAstrophysical Journal, 2024
The NANOGrav 15 yr Data Set: Chromatic Gaussian Process Noise Models for Six Pulsars2405.14941v1 · Bjorn Larsen, Chiara M. F. Mingarelli, Jeffrey S. Hazboun et al.2024 · 18 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)
Discovery and timing of ten new millisecond pulsars in the globular cluster Terzan 52403.17799v2 · P.V. Padmanabh, S.M. Ransom, P.C.C. Freire et al.2024 · 35 citationsA&A 686, A166 (2024)
A 350-MHz Green Bank Telescope Survey of Unassociated Fermi LAT Sources: Discovery and Timing of Ten Millisecond Pulsars2402.09366v1 · P. Bangale, B. Bhattacharyya, F. Camilo et al.2024 · 9 citationsApJ, Vol 966, 20 pp. (2024)
The Green Bank North Celestial Cap Survey IX: Timing Follow-up for 128 Pulsars2312.07471v2 · A. E. McEwen, J. K. Swiggum, D. L. Kaplan et al.2023 · 10 citationsjournal = {\apj}, year = 2024, month = feb, volume = {962}, number = {2}, pages = {167},
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: 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
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