SO
Stella Koch Ocker
astro-ph.HEastro-ph.GAgr-qcastro-ph.COastro-ph.IMhep-phastro-ph.SRphysics.space-phastro-ph.EPphysics.plasm-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_3tmujy6q·v1published
W_dr7jvff9·v1published
Preprints & journals
68 papers in the corpus · 2020–2026Constraints 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
Tracing the Host-Galaxy Environments of FRBs with a New Sample of Localized Sources Detected with the DSA-1102609.30616v1 · Frank M. Verdi, Vikram Ravi, Myles B. Sherman et al.2026 · 0 citationsarXiv
The DSA/Chronoscope fast radio burst survey: forecasts and science overview2608.30943v1 · Liam Connor, Kaitlyn Shin, Vikram Ravi 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
A spectacular multi-wavelength transient associated with an off-axis relativistic jet2607.10047v1 · Delina Levine, Gregg Hallinan, Jean J. Somalwar et al.2026 · 0 citationsarXiv
Exploring the Galactic plasma with pulsars in the SKA Era2607.06096v2 · Caterina Tiburzi, M. T. Lam, D. J. Reardon 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
Characterizing Pulsar Distances Using HI Kinematics2605.10881v1 · S. Romero-Ruiz, S.K. Ocker2026 · 0 citationsSteven Romero-Ruiz and Stella Koch Ocker 2026 Res. Notes AAS 10 109
A sample of short-lived Galactic radio transients from ASKAP VAST2604.11881v1 · Akash Anumarlapudi, David L. Kaplan, Natasha Hurley Walker 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)
ASKAP J005512.2-255834: A Luminous, Long-Lived Radio Transient at z = 0.1 -- an Orphan Afterglow or an off-nuclear TDE from an IMBH?2602.20522v1 · Ashna Gulati, Tara Murphy, David L. Kaplan et al.2026 · 3 citationsarXiv
NE2025: An Updated Electron Density Model for the Galactic Interstellar Medium2602.11838v2 · S.K. Ocker, J.M. Cordes2026 · 12 citationsOcker SK & Cordes JM 2026 ApJ 1002 3
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
Exploring Galactic plasma with pulsars in the SKA era2512.16158v1 · C. Tiburzi, M. T. Lam, D. J. Reardon et al.2025 · 1 citationarXiv
Deep Synoptic Array Science: Searching for Long Duration Radio Transients with the DSA-1102510.18136v4 · Myles B. Sherman, Nikita Kosogorov, Casey Law et al.2025 · 1 citationarXiv
A HyperFlash and ÉCLAT view of the local environment and energetics of the repeating FRB 20240619D2509.16374v2 · O.S. Ould-Boukattine, A.J. Cooper, J.W.T. Hessels et al.2025 · 2 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)
ASKAP J144834-685644: a newly discovered long period radio transient detected from radio to X-rays2507.13453v2 · Akash Anumarlapudi, David L. Kaplan, Nanda Rea et al.2025 · 14 citationsarXiv
Detection of X-ray emission from a bright long-period radio transient.40437090 · Wang, Ziteng, Rea, Nanda, Bao, Tong et al.2025 · 30 citationsNature. 2025;642(8068):583-586
Microphysics of Circumgalactic Turbulence Probed by Fast Radio Bursts and Quasars2503.02329v2 · S.K. Ocker, M. Chen, S.P. Oh et al.2025 · 5 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 emission of interpulses by a 6.45-hour period coherent radio transient2501.09133v1 · Y. W. J. Lee, M. Caleb, Tara Murphy et al.2025 · 36 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
Preferential occurrence of fast radio bursts in massive star-forming galaxies.39506155 · Sharma, Kritti, Ravi, Vikram, Connor, Liam et al.2024 · 73 citationsNature. 2024;635(8037):61-66
Bow Shock and Local Bubble Plasma Unveiled by the Scintillating Millisecond Pulsar J0437$-$47152410.21390v2 · Daniel J. Reardon, Robert Main, Stella Koch Ocker et al.2024 · 14 citationsarXiv
A gas-rich cosmic web revealed by the partitioning of the missing baryons2409.16952v2 · Liam Connor, Vikram Ravi, Kritti Sharma et al.2024 · 68 citationsarXiv
Probing the low-velocity regime of non-radiative shocks with neutron star bow shocks2409.13525v2 · S.K. Ocker, M. Cosens2024 · 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
Implications for Galactic Electron Density Structure from Pulsar Sightlines Intersecting HII Regions2406.07664v2 · S.K. Ocker, L.D. Anderson, T.J.W. Lazio et al.2024 · 13 citationsarXiv
A Heavily Scattered Fast Radio Burst Is Viewed Through Multiple Galaxy Halos2405.14182v1 · Jakob T. Faber, Vikram Ravi, Stella Koch Ocker et al.2024 · 1 citationarXiv
A Cyclic Spectroscopy Scintillation Study of PSR B1937+21 I. Demonstration of Improved Scintillometry2404.13796v3 · Jacob E. Turner, Timothy Dolch, James M. Cordes et al.2024 · 8 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)
Searching for Magnetar Binaries Disrupted by Core-Collapse Supernovae2404.05135v4 · Myles B. Sherman, Vikram Ravi, Kareem El-Badry et al.2024 · 9 citationsarXiv
NE2001p: A Native Python Implementation of the NE2001 Galactic Electron Density Model2401.05475v1 · S.K. Ocker, J.M. Cordes2024 · 20 citationsRNAAS 8 17 (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
Pulsar Scintillation through Thick and Thin: Bow Shocks, Bubbles, and the Broader Interstellar Medium2309.13809v2 · S.K. Ocker, J.M. Cordes, S. Chatterjee et al.2023 · 36 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 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
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