NK
N. S. Kern
astro-ph.COastro-ph.IMastro-ph.GAastro-ph.SRastro-ph.EPgr-qchep-th
On Valency
published · living versionsW_3kg8ctyu·v1 · currentpublished
The Astropy Project: Building an inclusive, open-science project and status of the v2.0 core package
with The Astropy Collaboration, A. M. Price-Whelan, B. M. Sipőcz, H. M. Günther +132
1 version
W_udehh595·v1published
Preprints & journals
58 papers in the corpus · 2013–2026The MegaWave Radio Surveyor2608.26322v2 · T. Joseph W. Lazio (Michigan), Evgenya Shkolnik (ASU), James Aguirre et al.2026 · 0 citationsarXiv
Machine Learning and the SKA for Cosmic Dawn and the Epoch of Reionization2607.03606v1 · Anshuman Acharya, Michele Bianco, Daniela Breitman et al.2026 · 0 citationsarXiv
Inferring Cosmology and Astrophysics from the High-redshift 21cm Signal with SKA-Low2606.27858v1 · Anshuman Acharya, Satadru Bag, Sabrina Berger et al.2026 · 0 citationsarXiv
Observations of the Cosmic Dawn and Epoch of Reionization with the SKAO: Observational Lessons Learned from Precursors and Pathfinder Instruments2606.26072v1 · Eloy de Lera Acedo, James Aguirre, Dominic Anstey et al.2026 · 0 citationsarXiv
First Results from HERA Phase II2511.21289v1 · Zuhra Abdurashidova, Tyrone Adams, James E. Aguirre et al.2025 · 8 citationsarXiv
Exploring One-point Statistics in HERA Phase I Data: Effects of Foregrounds and Systematics on Measuring One-Point Statistics2511.02190v1 · Honggeun Kim, Jacqueline N. Hewitt, Nicholas S. Kern et al.2025 · 3 citationsApJ, 993, 189 (2025)
A Differentiable, End-to-End Forward Model for 21 cm Cosmology: Estimating the Foreground, Instrument, and Signal Joint Posterior2504.07090v2 · Nicholas Kern2025 · 8 citations2025MNRAS.541.687K
Impacts and Statistical Mitigation of Missing Data on the 21cm Power Spectrum: A Case Study with the Hydrogen Epoch of Reionization Array2411.10529v2 · Kai-Feng Chen, Michael J. Wilensky, Adrian Liu et al.2024 · 12 citationsarXiv
A Generalized Method for Characterizing 21-cm Power Spectrum Signal Loss from Temporal Filtering of Drift-scanning Visibilities2410.01872v1 · Robert Pascua, Zachary E. Martinot, Adrian Liu et al.2024 · 6 citationsarXiv
Mitigating calibration errors from mutual coupling with time-domain filtering of 21 cm cosmological radio observations2407.20923v1 · N. Charles, N. S. Kern, R. Pascua et al.2024 · 9 citationsarXiv
Investigating Mutual Coupling in the Hydrogen Epoch of Reionization Array and Mitigating its Effects on the 21-cm Power Spectrum2406.08549v1 · E. Rath, R. Pascua, A. T. Josaitis et al.2024 · 12 citationsarXiv
A demonstration of the effect of fringe-rate filtering in the Hydrogen Epoch of Reionization Array delay power spectrum pipeline2402.08659v2 · Hugh Garsden, Philip Bull, Mike Wilensky et al.2024 · 8 citationsarXiv
Hydrogen Epoch of Reionization Array (HERA) Phase II Deployment and Commissioning2401.04304v1 · Lindsay M. Berkhout, Daniel C. Jacobs, Zuhra Abdurashidova et al.2024 · 34 citationsPASP 2024 136 045002
matvis: A matrix-based visibility simulator for fast forward modelling of many-element 21 cm arrays2312.09763v2 · Piyanat Kittiwisit, Steven G. Murray, Hugh Garsden et al.2023 · 12 citationsarXiv
Bayesian estimation of cross-coupling and reflection systematics in 21cm array visibility data2312.03697v2 · Geoff G. Murphy, Philip Bull, Mario G. Santos et al.2023 · 5 citationsarXiv
Direct Optimal Mapping Image Power Spectrum and its Window Functions2311.10711v2 · Zhilei Xu, Honggeun Kim, Jacqueline N. Hewitt et al.2023 · 4 citationsarXiv
The Impact of Beam Variations on Power Spectrum Estimation for 21 cm Cosmology II: Mitigation of Foreground Systematics for HERA2307.12826v1 · Honggeun Kim, Nicholas S. Kern, Jacqueline N. Hewitt et al.2023 · 17 citationsarXiv
Search for the Epoch of Reionisation with HERA: Upper Limits on the Closure Phase Delay Power Spectrum2302.07969v1 · Pascal M. Keller, Bojan Nikolic, Nithyanandan Thyagarajan et al.2023 · 8 citationsarXiv
On the use of temporal filtering for mitigating galactic synchrotron calibration bias in 21 cm reionization observations2302.00269v2 · Ntsikelelo Charles, Nicholas Kern, Gianni Bernardi et al.2023 · 15 citationsarXiv
The Impact of Beam Variations on Power Spectrum Estimation for 21-cm Cosmology I: Simulations of Foreground Contamination for HERA2210.16421v1 · Honggeun Kim, Bang D. Nhan, Jacqueline N. Hewitt et al.2022 · 21 citationsarXiv
Characterization Of Inpaint Residuals In Interferometric Measurements of the Epoch Of Reionization2210.14927v2 · Michael Pagano, Jing Liu, Adrian Liu et al.2022 · 11 citationsarXiv
Improved Constraints on the 21 cm EoR Power Spectrum and the X-Ray Heating of the IGM with HERA Phase I Observations2210.04912v2 · Zara Abdurashidova, Tyrone Adams, James E. Aguirre et al.2022 · 186 citations2023 ApJ 945 124
Impact of instrument and data characteristics in the interferometric reconstruction of the 21 cm power spectrum2210.03721v3 · Ad'elie Gorce, Samskruthi Ganjam, Adrian Liu et al.2022 · 15 citationsarXiv
The Astropy Project: Sustaining and Growing a Community-oriented Open-source Project and the Latest Major Release (v5.0) of the Core Package2206.14220v1 · Adrian M. Price-Whelan, Pey Lian Lim, Nicholas Earl et al.2022 · 5,054 citationsarXivon Valency
Direct Optimal Mapping for 21cm Cosmology: A Demonstration with the Hydrogen Epoch of Reionization Array2204.06021v2 · Zhilei Xu, Jacqueline N. Hewitt, Kai-Feng Chen et al.2022 · 11 citationsarXiv
Simulations of primary beam effects on the cosmic bispectrum phase observed with the Hydrogen Epoch of Reionization Array2112.12765v5 · N. Charles, G. Bernardi, H.L. Bester et al.2021 · 4 citationsarXiv
SKA-Low Intensity Mapping Pathfinder Updates: Deeper 21 cm Power Spectrum Limits from Improved Analysis Frameworks2110.06173v2 · Nichole Barry, Gianni Bernardi, Bradley Greig et al.2021 · 15 citationsarXiv
Automated Detection of Antenna Malfunctions in Large-N Interferometers: A Case Study with the Hydrogen Epoch of Reionization Array2109.12733v3 · Dara Storer, Joshua S. Dillon, Daniel C. Jacobs et al.2021 · 5 citationsRadio Science, vol. 57, no. 1, 2022
HERA Phase I Limits on the Cosmic 21-cm Signal: Constraints on Astrophysics and Cosmology During the Epoch of Reionization2108.07282v3 · Zara Abdurashidova, James E. Aguirre, Paul Alexander et al.2021 · 159 citationsarXiv
First Results from HERA Phase I: Upper Limits on the Epoch of Reionization 21 cm Power Spectrum2108.02263v1 · Zara Abdurashidova, James E. Aguirre, Paul Alexander et al.2021 · 196 citationsarXiv
Effects of model incompleteness on the drift-scan calibration of radio telescopes2104.12240v2 · Bharat K. Gehlot, Daniel C. Jacobs, Judd D. Bowman et al.2021 · 9 citationsarXiv
Validation of the HERA Phase I Epoch of Reionization 21 cm Power Spectrum Software Pipeline2104.09547v1 · James E. Aguirre, Steven G. Murray, Robert Pascua et al.2021 · 26 citationsarXiv
A Real Time Processing System for Big Data in Astronomy: Applications to HERA2104.03990v2 · Paul La Plante, Peter K. G. Williams, Matthew Kolopanis et al.2021 · 17 citationsAstronomy and Computing 36 (2021) 100489
Methods of Error Estimation for Delay Power Spectra in Cosmology2103.09941v2 · Jianrong Tan, Adrian Liu, Nicholas S. Kern et al.2021 · 18 citationsarXiv
Gaussian Process Foreground Subtraction and Power Spectrum Estimation for 21 cm Cosmology2010.15892v2 · Nicholas Kern, Adrian Liu2020 · 54 citationsarXiv
Measuring HERA's primary beam in-situ: methodology and first results2005.12174v1 · Chuneeta D. Nunhokee, Aaron R. Parsons, Nicholas S. Kern et al.2020 · 22 citationsarXiv
Detection of Cosmic Structures using the Bispectrum Phase. II. First Results from Application to Cosmic Reionization Using the Hydrogen Epoch of Reionization Array2005.10275v2 · Nithyanandan Thyagarajan, Chris L. Carilli, Bojan Nikolic et al.2020 · 21 citationsPhys. Rev. D 102, 022002 (2020)
DAYENU: A Simple Filter of Smooth Foregrounds for Intensity Mapping Power Spectra2004.11397v2 · Aaron Ewall-Wice, Nicholas Kern, Joshua S. Dillon et al.2020 · 48 citationsarXiv
Foreground modelling via Gaussian process regression: an application to HERA data2004.06041v2 · Abhik Ghosh, Florent Mertens, Gianni Bernardi et al.2020 · 28 citationsarXiv
Redundant-Baseline Calibration of the Hydrogen Epoch of Reionization Array2003.08399v2 · Joshua S. Dillon, Max Lee, Zaki S. Ali et al.2020 · 54 citationsarXiv
Imaging and Modeling Data from the Hydrogen Epoch of Reionization Array2002.07692v1 · C. L. Carilli{1, N. Thyagarajan1, J. Kent2 et al.2020 · 9 citationsarXiv
Absolute Calibration Strategies for the Hydrogen Epoch of Reionization Array and Their Impact on the 21 cm Power Spectrum1910.12943v2 · Nicholas S. Kern, Joshua S. Dillon, Aaron R. Parsons et al.2019 · 52 citationsarXiv
Quantifying EoR delay spectrum contamination from diffuse radio emission1910.10573v1 · Adam E. Lanman, Jonathan C. Pober, Nicholas S. Kern et al.2019 · 17 citationsarXiv
Mitigating Internal Instrument Coupling for 21 cm Cosmology I: Temporal and Spectral Modeling in Simulations1909.11732v2 · Nicholas S. Kern, Aaron R. Parsons, Joshua S. Dillon et al.2019 · 78 citationsarXiv
Mitigating Internal Instrument Coupling II: A Method Demonstration with the Hydrogen Epoch of Reionization Array1909.11733v2 · Nicholas S. Kern, Aaron R. Parsons, Joshua S. Dillon et al.2019 · 75 citationsarXiv
Understanding the HERA Phase I receiver system with simulations and its impact on the detectability of the EoR delay power spectrum1908.02383v2 · Nicolas Fagnoni, Eloy de Lera Acedo, David R. DeBoer et al.2019 · 44 citationsarXiv
A Roadmap for Astrophysics and Cosmology with High-Redshift 21 cm Intensity Mapping1907.06440v1 · The Hydrogen Epoch of Reionization Array, James E. Aguirre, Adam P. Beardsley et al.2019 · 7 citationsarXiv
Optimizing Sparse RFI Prediction using Deep Learning1902.08244v1 · Joshua Kerrigan, Paul La Plante, Saul Kohn et al.2019 · 56 citationsarXiv
Results from EDGES High-Band: II. Constraints on Parameters of Early Galaxies1806.07774v1 · Raul A. Monsalve, Bradley Greig, Judd D. Bowman et al.2018 · 56 citationsarXiv
The HERA-19 Commissioning Array: Direction Dependent Effects1802.04151v2 · Saul A. Kohn, James E. Aguirre, Paul La Plante et al.2018 · 26 citationsarXiv
Career total: 91 works. 58 are in this corpus.Showing the 50 most recent.
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