AS
Abhimanyu Susobhanan
astro-ph.HEgr-qcastro-ph.IMastro-ph.GAastro-ph.COastro-ph.SRhep-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
W_bf4rrujk·v1published
W_63wpvz68·v1published
W_cysfnubj·v1published
W_7v884hrf·v1published
W_dr7jvff9·v1published
Preprints & journals
75 papers in the corpus · 2017–2026Study of pulse jitter characteristics of PSR J1744-1134: Towards high precision pulsar timing with InPTA2610.20848v1 · Jibin Jose, Manoneeta Chakraborty, Neelam Dhanda Batra et al.2026 · 0 citationsJ. High Energy Astrophys. 56, 100765 (2027)
The 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
Robust Bayesian non-linear pulsar timing and noise analysis using a sequential data-tempered ensemble sampler2610.02737v1 · Abhimanyu Susobhanan2026 · 0 citationsarXiv
A Unified Multi-Band Secular Framework for the Hierarchical Triple PSR J0435+3233 System2610.03996v1 · Achamveedu Gopakumar, Vidit Singh, Abhimanyu Susobhanan 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
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
Profile Reconstruction from Temporally Stable Emission Components for Timing PSR J1713+07472608.04108v1 · Shaswata Chowdhury, M. A. Krishnakumar, Sharika Dhakappa et al.2026 · 0 citationsarXiv
The Indian Pulsar Timing Array Data Release 2: III. Search for a Stochastic Gravitational Wave Background2608.02808v1 · Hemanga Tahbildar, Kunjal Vara, Mayuresh Surnis 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
PSRDISP: A novel approach to modeling dispersive processes in single-pulsar noise analysis using epoch-wise dispersion measures2607.12609v3 · Churchil Dwivedi, Abhimanyu Susobhanan2026 · 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)
Constraints on Einstein-aether gravity from the precision timing of PSR J1738+03332605.01436v1 · Massimo Vaglio, Amodio Carleo, Abhimanyu Susobhanan et al.2026 · 0 citationsarXiv
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)
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 Indian Pulsar Timing Array Data Release 2: II. Customised Single-Pulsar Noise Analysis and Noise Budget2512.20455v2 · K. Nobleson, Churchil Dwivedi, Shantanu Desai et al.2025 · 3 citationsarXiv
Revisiting wideband pulsar timing measurements2512.01288v3 · Abhimanyu Susobhanan, Avinash Kumar Paladi, R'eka Desmecht et al.2025 · 1 citationarXiv
Effects of Coronal Mass Ejection on PSR J1022+1001 and Possible Mode Change of PSR J2145-0750 in the InPTA DR22510.26594v2 · Shaswata Chowdhury, M. A. Krishnakumar, Manjari Bagchi et al.2025 · 3 citationsJournal of High Energy Astrophysics Volume 51, March 2026, 100547
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
Identifying the secondary jet in the RadioAstron image of OJ~2872510.06744v1 · Mauri J. Valtonen, Lankeswar Dey, Staszek Zola et al.2025 · 5 citationsThe Astrophysical Journal, October 9, 2025
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 Indian Pulsar Timing Array Data Release 2: I. Dataset and Timing Analysis2506.16769v1 · Prerna Rana, Pratik Tarafdar, Nobleson K et al.2025 · 8 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
Bayesian pulsar timing and noise analysis with Vela.jl: the wideband paradigm2505.10141v3 · Abhimanyu Susobhanan2025 · 2 citationsarXiv
Gaussian process representation of dispersion measure noise in pulsar wideband datasets2505.05274v2 · Abhimanyu Susobhanan, Rutger van Haasteren2025 · 3 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
Bayesian pulsar timing and noise analysis with Vela.jl: an overview2412.15858v4 · Abhimanyu Susobhanan2024 · 5 citationsApJ 980 165 (2025)
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
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
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
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
PINT: Maximum-likelihood estimation of pulsar timing noise parameters2405.01977v2 · Abhimanyu Susobhanan, David Kaplan, Anne Archibald et al.2024 · 23 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)
Efficient prescription to search for linear gravitational wave memory from hyperbolic black hole encounters and its application to the NANOGrav 12.5-year dataset2402.03472v3 · Subhajit Dandapat, Abhimanyu Susobhanan, Lankeswar Dey et al.2024 · 3 citationsPhys. Rev. D 109, 103018, 2024
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
Improving DM estimates using low-frequency scattering-broadening estimates2309.16765v2 · Jaikhomba Singha, Bhal Chandra Joshi, M. A. Krishnakumar et al.2023 · 2 citationsarXiv
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 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
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