LB
Laura Blecha
astro-ph.GAastro-ph.HEastro-ph.COgr-qcastro-ph.IMhep-phastro-phastro-ph.SRAccretion, accretion disksastro-ph.EP
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
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W_dr7jvff9·v1published
Preprints & journals
116 papers in the corpus · 2005–2026ACORN I. Massive Black Hole Seeding and Tidal Disruption Events from Star Clusters in Cosmological Simulations2610.12398v1 · Yihao Zhou, Tiziana Di Matteo, Claire E. Williams et al.2026 · 0 citationsarXiv
Galaxy merger-driven signatures in massive black hole pair hosts across cosmic time2610.08709v1 · Pranav Satheesh, Aklant K. Bhowmick, Laura Blecha2026 · 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
The lifetimes and properties of Little Red Dots in the AMBRA simulation2609.26999v1 · Patrick LaChance, Yihao Zhou, Aklant Kumar Bhowmick 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
An "inside-out" approach to modeling supermassive black hole binary inspiral2608.06269v2 · Laura Blecha2026 · 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
JWST Reveals Compact Nuclear Starbursts Masquerading as AGNs in Metal-Poor Dwarfs: Where Are the Accreting Intermediate-Mass Black Holes?2606.27468v1 · William Matzko, Shobita Satyapal, Jeffrey D. Mckaig et al.2026 · 0 citationsarXiv
Supermassive Black Hole Assembly from Heavy Seeds with Dynamical Friction in the BRAHMA Simulations: Implications for JWST, LISA, and the Local Universe2606.12851v1 · Aklant K. Bhowmick, Laura Blecha, Paul Torrey et al.2026 · 0 citationsarXiv
Learning the Universe at High Redshifts: Impact of Accretion Modeling on Early Black Hole Growth2606.10036v2 · Jonathan Kho, Aklant K. Bhowmick, Rainer Weinberger et al.2026 · 0 citationsarXiv
The LISA Astrophysics MBHcatalogues Project: A comparison of predictions of simulated massive black hole binaries2605.00092v1 · David Izquierdo-Villalba, Melanie Habouzit, Matteo Bonetti et al.2026 · 0 citationsarXiv
First results of AMBRA: Abundant Seeds and Early Mergers as a Pathway to the First Massive Black Holes2604.01123v2 · Yihao Zhou, Aklant Kumar Bhowmick, Tiziana Di Matteo 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)
ASPIRE: The Environments and Dark Matter Halos of Luminous Quasars in the Epoch of Reionization2602.04979v2 · Feige Wang, Jaclyn B. Champagne, Jiamu Huang et al.2026 · 3 citationsarXiv
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
Toward Complete Merger Identification at Cosmic Noon with Deep Learning2511.15006v1 · Aimee Schechter, Aleksandra Ciprijanovic, Rebecca Nevin et al.2025 · 0 citationsarXiv
AGN feedback in merging galaxies with a SMUGGLE multiphase ISM2511.13024v1 · Aneesh Sivasankaran, Laura Blecha, Paul Torrey et al.2025 · 0 citationsarXiv
Molecular Gas in Major Mergers Hosting Dual and Single AGN at <10 kpc Nuclear Separations2510.23742v1 · Makoto A. Johnstone, Ezequiel Treister, Franz E. Bauer et al.2025 · 0 citationsarXiv
Beyond the Brightest: A Deep Learning Approach to Identifying Major and Minor Galaxy Mergers in CANDELS at 2510.12173v2 · Aimee L. Schechter, Aleksandra 'Ciprijanovi'c, Xuejian Shen et al.2025 · 1 citationarXiv
BEES: Quasar lifetime measurements from extended rest-optical emission line nebulae at 2510.09753v1 · Dominika Durovc'ikov'a, Anna-Christina Eilers, Yuzo Ishikawa et al.2025 · 0 citationsarXiv
Heavy seeds and the first black holes: Insights from the BRAHMA simulations2510.01322v1 · Aklant K. Bhowmick, Laura Blecha, Paul Torrey et al.2025 · 7 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)
A High Resolution Search for Dual AGN Candidates in Mergers: A Pre-Selection Strategy using Keck AO2507.05250v2 · Camilo Vazquez, S. Satyapal, G. Canalizo et al.2025 · 0 citationsarXiv
Signatures of BH seeding on the relation: Predictions from the BRAHMA simulations2506.17476v1 · Jonathan Kho, Aklant K. Bhowmick, Paul Torrey et al.2025 · 1 citationarXiv
A 13-Billion-Year View of Galaxy Growth: Metallicity Gradient Evolution from the Local Universe to with JWST and Archival Surveys2506.12129v2 · Zihao Li, Zheng Cai, Xin Wang et al.2025 · 10 citationsarXiv
Dynamics of low-mass black hole seeds in the BRAHMA simulations using subgrid-dynamical friction: Impact on merger-driven black hole growth in the high redshift Universe2506.09184v1 · Aklant K. Bhowmick, Laura Blecha, Luke Z. Kelley et al.2025 · 8 citationsarXiv
Mergers and Recoil in Triple Massive Black Hole Systems from Illustris2506.04369v1 · Pranav Satheesh, Laura Blecha, Luke Zoltan Kelley2025 · 3 citationsarXiv
Searching for Compact Obscured Nuclei in Compton Thick AGN2504.15248v3 · Makoto A. Johnstone, George C. Privon, Loreto Barcos-Munoz 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
Accretion onto supermassive and intermediate mass black holes in cosmological simulations2502.13241v2 · Rainer Weinberger, Aklant Bhowmick, Laura Blecha et al.2025 · 9 citationsA&A 700, A52 (2025)
The Gravitational Wave Background from Massive Black Holes in the ASTRID Simulation2502.01024v1 · Nianyi Chen, Tiziana Di Matteo, Yihao Zhou et al.2025 · 9 citationsarXiv
Central Cluster Galaxies: A Hotspot for Detectable Gravitational Waves from Black Hole Mergers2502.01845v2 · Yihao Zhou, Tiziana Di Matteo, Nianyi Chen et al.2025 · 4 citationsarXiv
Insights into Supermassive Black Hole Mergers from the Gravitational Wave Background2501.08956v1 · C. M. F. Mingarelli, L. Blecha, T. Bogdanovi'c et al.2025 · 2 citationsNature Astronomy (2025)
On the Use of Letters of Recommendation in Astronomy and Astrophysics Graduate Admissions2412.08715v1 · Darcy Barron, Rachel Bezanson, Laura Blecha et al.2024 · 0 citationsarXiv
Signatures of black hole seeding in the local Universe: Predictions from the BRAHMA cosmological simulations2411.19332v1 · Aklant K Bhowmick, Laura Blecha, Paul Torrey et al.2024 · 17 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
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
Local Analogs of Primordial Galaxies: In Search of Intermediate Mass Black Holes with JWST NIRSpec2408.04774v1 · Sara Doan, Shobita Satyapal, William Matzko et al.2024 · 8 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
Growth of high redshift supermassive black holes from heavy seeds in the BRAHMA cosmological simulations: Implications of overmassive black holes2406.14658v1 · Aklant K Bhowmick, Laura Blecha, Paul Torrey et al.2024 · 34 citationsarXiv
A quasar-galaxy merger at : rapid host growth via accretion of two massive satellite galaxies2406.06697v1 · Roberto Decarli, Federica Loiacono, Emanuele Paolo Farina et al.2024 · 29 citationsA&A 689, A219 (2024)
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)
AGN feedback in isolated galaxies with a SMUGGLE multiphase ISM2402.15240v1 · Aneesh Sivasankaran, Laura Blecha, Paul Torrey et al.2024 · 10 citationsarXiv
A quasar-galaxy merger at : black hole mass and quasar properties from the NIRSpec spectrum2402.13319v1 · Federica Loiacono, Roberto Decarli, Marco Mignoli et al.2024 · 38 citationsA&A 685, A121 (2024)
Introducing the BRAHMA simulation suite: Signatures of low mass black hole seeding models in cosmological simulations2402.03626v1 · Aklant K. Bhowmick, Laura Blecha, Paul Torrey et al.2024 · 30 citationsarXiv
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