JH
J. N. Hewitt
astro-ph.IMastro-ph.COastro-phastro-ph.GAastro-ph.SRastro-ph.HEastro-ph.EPcs.CEhep-thphysics.ins-det
On Valency
published · living versionsW_bgayh9vx·v1 · currentpublished
Low Frequency Observations of the Moon with the Murchison Widefield Array
with B. McKinley, F. Briggs, D. L. Kaplan, L. J. Greenhill +47
1 version
W_jtgmevmj·v1published
Preprints & journals
129 papers in the corpus · 1984–2026Properties and limitations of linear models for mutual coupling in 21 cm arrays2610.22197v1 · Vincent MacKay, Robert Pascua, Eleanor Rath et al.2026 · 0 citationsarXiv
The MegaWave Radio Surveyor2608.26322v2 · T. Joseph W. Lazio (Michigan), Evgenya Shkolnik (ASU), James Aguirre 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)
Stacking 21-cm Maps around Lyman- Emitters during Reionization: Prospects for a Cross-correlation Detection with the Hydrogen Epoch of Reionization Array2510.07374v1 · Kai-Feng Chen, Meredith Neyer, Jacqueline N. Hewitt et al.2025 · 1 citationarXiv
Complete Sampling of the Plane with Realistic Radio Arrays: Introducing the RULES Algorithm, with Application to 21 cm Foreground Wedge Removal2509.15296v1 · Vincent MacKay, Zhilei Xu, Ruby Byrne et al.2025 · 1 citationarXiv
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
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
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
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
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
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)
Redundant-Baseline Calibration of the Hydrogen Epoch of Reionization Array2003.08399v2 · Joshua S. Dillon, Max Lee, Zaki S. Ali et al.2020 · 54 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
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
Improving the Epoch of Reionization Power Spectrum Results from Murchison Widefield Array Season 1 Observations1909.00561v2 · N. Barry, M. Wilensky, C. M. Trott et al.2019 · 149 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
Tomography of the Cosmic Dawn and Reionization Eras with Multiple Tracers1903.11744v1 · Tzu-Ching Chang, Angus Beane, Olivier Dore et al.2019 · 7 citationsarXiv
Cosmology with the Highly Redshifted 21cm Line1903.06240v1 · Adrian Liu, James Aguirre, Yacine Ali-Haimoud et al.2019 · 2 citationsarXiv
Assessment of ionospheric activity tolerances for Epoch of Reionisation science with the Murchison Widefield Array1809.06851v1 · Cathryn M. Trott, C. H. Jordan, S. G. Murray et al.2018 · 2 citationsarXiv
Comparing Redundant and Sky Model Based Interferometric Calibration: A First Look with Phase II of the MWA1807.05312v1 · W. Li, J. C. Pober, B. J. Hazelton et al.2018 · 57 citationsarXiv
HI 21cm Cosmology and the Bi-spectrum: Closure Diagnostics in Massively Redundant Interferometric Arrays1805.00953v1 · C.L. Carilli, Bojan Nikolic, Nithyanandan Thyagarajan et al.2018 · 49 citationsarXiv
The HERA-19 Commissioning Array: Direction Dependent Effects1802.04151v2 · Saul A. Kohn, James E. Aguirre, Paul La Plante et al.2018 · 26 citationsarXiv
Foreground and sensitivity analysis for broad band (2D) 21cm--Ly-alpha and 21cm--H-alpha correlation experiments probing the Epoch of Reionization1711.00866v1 · Abraham R. Neben, Brian Stalder, Jacqueline N. Hewitt et al.2017 · 7 citationsApJ, 2017, 849, 1, 50
Spectral energy distribution and radio halo of NGC 253 at low radio frequencies1702.02434v2 · A.D. Kapinska, L. Staveley-Smith, R. Crocker et al.2017 · 35 citationsarXiv
A Matched Filter Technique For Slow Radio Transient Detection And First Demonstration With The Murchison Widefield Array1701.03557v1 · L. Feng, R. Vaulin, J. N. Hewitt et al.2017 · 11 citationsarXiv
Delay Spectrum with Phase-Tracking Arrays: Extracting the HI power spectrum from the Epoch of Reionization1610.07003v1 · Sourabh Paul, Shiv K. Sethi, Miguel F. Morales et al.2016 · 19 citationsApJ, 2016, 833, 2, 213
The Impact of Modeling Errors on Interferometer Calibration for 21 cm Power Spectra1610.02689v3 · Aaron Ewall-Wice, Joshua S. Dillon, Adrian Liu et al.2016 · 115 citationsarXiv
First Season MWA EoR Power Spectrum Results at Redshift 71608.06281v1 · A. P. Beardsley, B. J. Hazelton, I. S. Sullivan et al.2016 · 198 citationsarXiv
Low frequency observations of linearly polarized structures in the interstellar medium near the south Galactic pole1607.05779v2 · Emil Lenc, B. M. Gaensler, X. H. Sun et al.2016 · 81 citationsarXiv
A High Reliability Survey of Discrete Epoch of Reionization Foreground Sources in the MWA EoR0 Field1607.03861v1 · P. A. Carroll, J. Line, M. F. Morales et al.2016 · 30 citationsarXiv
Career total: at least 372 works. 129 are in this corpus.Showing the 50 most recent.
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