KG
Kayhan Gültekin
astro-ph.HEastro-ph.GAgr-qcastro-ph.COastro-ph.IMastro-phhep-phAstronomical PhenomenaAstronomy
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_scqjpwh7·v1published
W_dr7jvff9·v1published
Preprints & journals
101 papers in the corpus · 2000–2026A Unified Model for the Gravitational Wave Background and Quasar Luminosity Functions2610.28680v1 · Cayenne Matt, Kayhan Gultekin, Ryan Hickox2026 · 0 citationsarXivon Valency
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
A Supermassive Black Hole Mass Measurement in NGC 5102 with Schwarzschild Orbit-superposition Modeling2607.26186v1 · Thomas K. Waters, Kayhan Gultekin, Karl Gebhardt 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)
ReveaLLAGN 1: JWST Emission-Line Spectra Reveal Low-Luminosity AGN with UV-Deficient SEDs and Warm Molecular Gas2601.16977v3 · Kameron Goold, Anil Seth, Mallory Molina et al.2026 · 1 citationThe Astrophysical Journal, Volume 1000, Issue 2, id.281, 19 pp., April 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
Core Scouring Dynamics and Gravitational Wave Consequences: Constraints on Supermassive Black Hole Binary Hardening2601.07762v2 · C.J. Harris, Kayhan Gultekin, Laura Blecha2026 · 0 citationsarXiv
The Era of Binary Supermassive Black Holes: Coordination of Nanohertz-Frequency Gravitational-Wave Follow-up2512.15911v1 · Sarah Burke-Spolaor, Tamara Bogdanovi'c, Daniel J. D'Orazio et al.2025 · 0 citationsarXiv
Multimessenger Probes of the Supermassive Black Hole Binary Population: The Role of Pulsar Timing Arrays2512.11981v1 · Nima Laal, Stephen R. Taylor, Cayenne Matt et al.2025 · 2 citationsAstrophys. J. 1004, 90 (2026)
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)
WIggle Corrector Kit for NIRSpEc Data: WICKED2503.09697v1 · Antoine Dumont, Nadine Neumayer, Anil C. Seth et al.2025 · 11 citationsA&A 703, A54 (2025)
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
Deep Neural Emulation of the Supermassive Black-hole Binary Population2411.10519v1 · Nima Laal, Stephen R. Taylor, Luke Zoltan Kelley et al.2024 · 9 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 Black Hole Mass and Photometric Components of NGC 48262409.11575v1 · Kayhan Gultekin, Karl Gebhardt, John Kormendy et al.2024 · 0 citationsarXiv
Modeling ALMA Observations of the Warped Molecular Gas Disk in the Red Nugget Relic Galaxy NGC 3842409.08812v1 · Jonathan H. Cohn, Maeve Curliss, Jonelle L. Walsh 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
A Stellar Dynamical Mass Measurement of the Supermassive Black Hole in NGC 32582406.14623v2 · Thomas K. Waters, Kayhan Gultekin, Karl Gebhardt 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)
Searching for the Highest-z Dual AGN in the Deepest Chandra Surveys2312.02311v1 · Brandon Sandoval, Adi Foord, Steven W. Allen et al.2023 · 1 citationarXiv
Connecting Core Galaxy Properties to the Massive Black Hole Binary Population2311.04877v1 · CJ Harris, Kayhan Gultekin2023 · 4 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
ALMA gas-dynamical mass measurement of the supermassive black hole in the red nugget relic galaxy PGC 111792310.11296v1 · Jonathan H. Cohn, Maeve Curliss, Jonelle L. Walsh et al.2023 · 12 citationsarXiv
Shock-Driven Periodic Variability in a Low-Mass-Ratio Supermassive Black Hole Binary2310.07090v2 · K. Whitley, A. Kuznetsova, K. Gultekin et al.2023 · 3 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
ReveaLLAGN 0: First Look at JWST MIRI data of Sombrero and NGC 10522307.01252v2 · K. Goold, A. Seth, M. Molina et al.2023 · 20 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)
Revisiting the black hole mass of M87* using VLT/MUSE Adaptive Optics Integral Field Unit data I: Ionized gas kinematics2304.11264v2 · J. Osorno, N. Nagar, T. Richtler et al.2023 · 16 citationsA&A 679, A37 (2023)
Massive black holes in galactic nuclei: Observations2304.10233v1 · Marianne Vestergaard, Kayhan Gultekin2023 · 0 citationsarXiv
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
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
Intermediate-mass black holes and the fundamental plane of black hole accretion2209.09890v1 · Kayhan Gultekin, Kristina Nyland, Nichole Gray et al.2022 · 27 citationsarXiv
Gas inflows in the polar ring of NGC 4111: the birth of an AGN2203.02532v2 · Gabriel R. Hauschild-Roier, Thaisa Storchi-Bergmann, Richard M. McDermid et al.2022 · 8 citationsMonthly Notices of the Royal Astronomical Society, Volume 512, Issue 2, May 2022, Pages 2556-2572
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