publications

publications by categories in reversed chronological order. generated by jekyll-scholar.

2024

  1. Hydrogen Epoch of Reionization Array (HERA) Phase II Deployment and Commissioning
    Lindsay M. Berkhout, Daniel C. Jacobs, Zuhra Abdurashidova, and 93 more authors
    arXiv e-prints, Jan 2024
    DOI

2023

  1. matvis: Fast matrix-based visibility simulator
    Piyanat Kittiwisit, Steven G. Murray, Hugh Garsden, and 95 more authors
    Dec 2023
  2. matvis: A matrix-based visibility simulator for fast forward modelling of many-element 21 cm arrays
    Piyanat Kittiwisit, Steven G. Murray, Hugh Garsden, and 95 more authors
    arXiv e-prints, Dec 2023
    DOI
  3. Bayesian estimation of cross-coupling and reflection systematics in 21cm array visibility data
    Geoff G. Murphy, Philip Bull, Mario G. Santos, and 76 more authors
    arXiv e-prints, Dec 2023
    DOI
  4. Direct Optimal Mapping Image Power Spectrum and its Window Functions
    Zhilei Xu, Honggeun Kim, Jacqueline N. Hewitt, and 78 more authors
    arXiv e-prints, Nov 2023
    DOI
  5. Search for the Epoch of Reionization with HERA: upper limits on the closure phase delay power spectrum
    Pascal M. Keller, Bojan Nikolic, Nithyanandan Thyagarajan, and 80 more authors
    \mnras, Sep 2023
    DOI
  6. The Impact of Beam Variations on Power Spectrum Estimation for 21 cm Cosmology. II. Mitigation of Foreground Systematics for HERA
    Honggeun Kim, Nicholas S. Kern, Jacqueline N. Hewitt, and 7 more authors
    \apj, Aug 2023
    DOI
  7. On the use of temporal filtering for mitigating galactic synchrotron calibration bias in 21 cm reionization observations
    Ntsikelelo Charles, Nicholas Kern, Gianni Bernardi, and 4 more authors
    \mnras, Jun 2023
    DOI
  8. Characterization of inpaint residuals in interferometric measurements of the epoch of reionization
    Michael Pagano, Jing Liu, Adrian Liu, and 75 more authors
    \mnras, Apr 2023
    DOI
  9. Impact of instrument and data characteristics in the interferometric reconstruction of the 21 cm power spectrum
    Adélie Gorce, Samskruthi Ganjam, Adrian Liu, and 74 more authors
    \mnras, Mar 2023
    DOI
  10. Improved Constraints on the 21 cm EoR Power Spectrum and the X-Ray Heating of the IGM with HERA Phase I Observations
    HERA Collaboration, Zara Abdurashidova, Tyrone Adams, and 92 more authors
    \apj, Mar 2023
    DOI
  11. Bayesian jackknife tests with a small number of subsets: application to HERA 21 cm power spectrum upper limits
    Michael J. Wilensky, Fraser Kennedy, Philip Bull, and 73 more authors
    \mnras, Feb 2023
    DOI

2022

  1. The Impact of Beam Variations on Power Spectrum Estimation for 21 cm Cosmology. I. Simulations of Foreground Contamination for HERA
    Honggeun Kim, Bang D. Nhan, Jacqueline N. Hewitt, and 7 more authors
    \apj, Dec 2022
    DOI
  2. Improved Constraints on the 21 cm EoR Power Spectrum and the X-Ray Heating of the IGM with HERA Phase I Observations
    The HERA Collaboration, Zara Abdurashidova, Tyrone Adams, and 92 more authors
    arXiv e-prints, Oct 2022
    DOI
  3. Direct Optimal Mapping for 21 cm Cosmology: A Demonstration with the Hydrogen Epoch of Reionization Array
    Zhilei Xu, Jacqueline N. Hewitt, Kai-Feng Chen, and 79 more authors
    \apj, Oct 2022
    DOI
  4. The Astropy Project: Sustaining and Growing a Community-oriented Open-source Project and the Latest Major Release (v5.0) of the Core Package
    Astropy Collaboration, Adrian M. Price-Whelan, Pey Lian Lim, and 134 more authors
    \apj, Aug 2022
    DOI
  5. Simulations of primary beam effects on the cosmic bispectrum phase observed with the Hydrogen Epoch of Reionization Array
    N. Charles, G. Bernardi, H. L. Bester, and 9 more authors
    \mnras, May 2022
    DOI
  6. First Results from HERA Phase I: Upper Limits on the Epoch of Reionization 21 cm Power Spectrum
    Zara Abdurashidova, James E. Aguirre, Paul Alexander, and 74 more authors
    \apj, Feb 2022
    DOI
  7. Automated Detection of Antenna Malfunctions in Large-N Interferometers: A Case Study With the Hydrogen Epoch of Reionization Array
    Dara Storer, Joshua S. Dillon, Daniel C. Jacobs, and 75 more authors
    Radio Science, Jan 2022
    DOI
  8. SKA-low intensity mapping pathfinder updates: deeper 21 cm power spectrum limits from improved analysis frameworks
    Nichole Barry, Gianni Bernardi, Bradley Greig, and 2 more authors
    Journal of Astronomical Telescopes, Instruments, and Systems, Jan 2022
    DOI
  9. Validation of the HERA Phase I Epoch of Reionization 21 cm Power Spectrum Software Pipeline
    James E. Aguirre, Steven G. Murray, Robert Pascua, and 74 more authors
    \apj, Jan 2022
    DOI
  10. HERA Phase I Limits on the Cosmic 21 cm Signal: Constraints on Astrophysics and Cosmology during the Epoch of Reionization
    Zara Abdurashidova, James E. Aguirre, Paul Alexander, and 80 more authors
    \apj, Jan 2022
    DOI

2021

  1. VizieR Online Data Catalog: 90 sources radio flux density from GLEAM and HERA (Nunhokee+, 2020)
    C. D. Nunhokee, A. R. Parsons, N. S. Kern, and 64 more authors
    VizieR Online Data Catalog, Oct 2021
    DOI
  2. Automated Detection of Antenna Malfunctions in Large-N Interferometers: A Case Study with the Hydrogen Epoch of Reionization Array
    Dara Storer, Joshua S. Dillon, Daniel Jacobs, and 75 more authors
    ESS Open Archive eprints, Oct 2021
    DOI
  3. Effects of model incompleteness on the drift-scan calibration of radio telescopes
    Bharat K. Gehlot, Daniel C. Jacobs, Judd D. Bowman, and 76 more authors
    \mnras, Sep 2021
    DOI
  4. Methods of Error Estimation for Delay Power Spectra in 21 cm Cosmology
    Jianrong Tan, Adrian Liu, Nicholas S. Kern, and 71 more authors
    \apjs, Aug 2021
    DOI
  5. A Real Time Processing system for big data in astronomy: Applications to HERA
    P. La Plante, P. K. G. Williams, M. Kolopanis, and 72 more authors
    Astronomy and Computing, Jul 2021
    DOI
  6. hera_opm: The HERA Online Processing Module
    Paul La Plante, Joshua S. Dillon, Matthew Kolopanis, and 4 more authors
    Apr 2021
  7. Gaussian process foreground subtraction and power spectrum estimation for 21 cm cosmology
    Nicholas S. Kern and Adrian Liu
    \mnras, Feb 2021
    DOI
  8. DAYENU: a simple filter of smooth foregrounds for intensity mapping power spectra
    Aaron Ewall-Wice, Nicholas Kern, Joshua S. Dillon, and 14 more authors
    \mnras, Jan 2021
    DOI
  9. Understanding the HERA Phase I receiver system with simulations and its impact on the detectability of the EoR delay power spectrum
    Nicolas Fagnoni, Eloy de Lera Acedo, David R. DeBoer, and 67 more authors
    \mnras, Jan 2021
    DOI
  10. Methods of Error Estimation for 21cm Power Spectra
    J. Tan, A. Liu, N. Kern, and 1 more author
    In American Astronomical Society Meeting Abstracts, Jan 2021

2020

  1. Redundant-baseline calibration of the hydrogen epoch of reionization array
    Joshua S. Dillon, Max Lee, Zaki S. Ali, and 76 more authors
    \mnras, Dec 2020
    DOI
  2. Detection of cosmic structures using the bispectrum phase. II. First results from application to cosmic reionization using the Hydrogen Epoch of Reionization Array
    Nithyanandan Thyagarajan, Chris L. Carilli, Bojan Nikolic, and 69 more authors
    \prd, Jul 2020
    DOI
  3. Measuring HERA’s Primary Beam in Situ: Methodology and First Results
    Chuneeta D. Nunhokee, Aaron R. Parsons, Nicholas S. Kern, and 64 more authors
    \apj, Jul 2020
    DOI
  4. Quantifying EoR delay spectrum contamination from diffuse radio emission
    Adam E. Lanman, Jonathan C. Pober, Nicholas S. Kern, and 3 more authors
    \mnras, May 2020
    DOI
  5. Imaging and Modeling Data from the Hydrogen Epoch of Reionization Array
    C. L. Carilli, N. Thyagarajan, J. Kent, and 69 more authors
    \apjs, Apr 2020
    DOI
  6. Absolute Calibration Strategies for the Hydrogen Epoch of Reionization Array and Their Impact on the 21 cm Power Spectrum
    Nicholas S. Kern, Joshua S. Dillon, Aaron R. Parsons, and 69 more authors
    \apj, Feb 2020
    DOI
  7. Mapping the cosmic evolution of hydrogen: Analysis and inference techniques for next-generation 21 cm cosmology
    Nicholas Steven Kern
    University of California, Berkeley, Jan 2020
  8. Foreground modelling via Gaussian process regression: an application to HERA data
    Abhik Ghosh, Florent Mertens, Gianni Bernardi, and 70 more authors
    \mnras, Jan 2020
    DOI
  9. Mitigating Internal Instrument Coupling for 21 cm Cosmology. II. A Method Demonstration with the Hydrogen Epoch of Reionization Array
    Nicholas S. Kern, Aaron R. Parsons, Joshua S. Dillon, and 64 more authors
    \apj, Jan 2020
    DOI
  10. Analysis and Inference Techniques for 21cm EoR Power Spectrum Measurements: Applications for the Hydrogen Epoch of Reionization Array
    N. Kern
    In American Astronomical Society Meeting Abstracts #235, Jan 2020

2019

  1. Mitigating Internal Instrument Coupling for 21 cm Cosmology. I. Temporal and Spectral Modeling in Simulations
    Nicholas S. Kern, Aaron R. Parsons, Joshua S. Dillon, and 3 more authors
    \apj, Oct 2019
    DOI
  2. Mitigating Internal Instrument Coupling for 21 cm Cosmology I: Temporal and Spectral Modeling in Simulations
    Nicholas S. Kern, Aaron R. Parsons, Joshua S. Dillon, and 3 more authors
    arXiv e-prints, Sep 2019
    DOI
  3. Optimizing sparse RFI prediction using deep learning
    Joshua Kerrigan, Paul La Plante, Saul Kohn, and 61 more authors
    \mnras, Sep 2019
    DOI
  4. A Roadmap for Astrophysics and Cosmology with High-Redshift 21 cm Intensity Mapping
    Aaron Parsons, James E. Aguirre, Adam P. Beardsley, and 28 more authors
    In Bulletin of the American Astronomical Society, Sep 2019
    DOI
  5. The HERA-19 Commissioning Array: Direction-dependent Effects
    Saul A. Kohn, James E. Aguirre, Paul La Plante, and 64 more authors
    \apj, Sep 2019
    DOI
  6. healvis: Radio interferometric visibility simulator based on HEALpix maps
    Adam E. Lanman and Nicholas Kern
    Jul 2019

2018

  1. dfm/emcee: emcee v3.0rc2
    Dan Foreman-Mackey, Will Meierjurgen Farr, Erik Tollerud, and 27 more authors
    Sep 2018
    DOI
  2. The Astropy Project: Building an Open-science Project and Status of the v2.0 Core Package
    Astropy Collaboration, A. M. Price-Whelan, B. M. Sipőcz, and 137 more authors
    \aj, Sep 2018
    DOI
  3. Results from EDGES High-band. II. Constraints on Parameters of Early Galaxies
    Raul A. Monsalve, Bradley Greig, Judd D. Bowman, and 5 more authors
    \apj, Aug 2018
    DOI
  4. Polarized redundant-baseline calibration for 21 cm cosmology without adding spectral structure
    Joshua S. Dillon, Saul A. Kohn, Aaron R. Parsons, and 8 more authors
    \mnras, Jul 2018
    DOI
  5. dfm/emcee: emcee v3.0rc1
    Dan Foreman-Mackey, Will Meierjurgen Farr, David W. Hogg, and 27 more authors
    Jun 2018
    DOI

2017

  1. HERA-Team/pyuvdata: Version 1.2
    Bryna Hazelton, Adam Beardsley, Jonathan Pober, and 8 more authors
    Nov 2017
    DOI
  2. Emulating Simulations of Cosmic Dawn for 21 cm Power Spectrum Constraints on Cosmology, Reionization, and X-Ray Heating
    Nicholas S. Kern, Adrian Liu, Aaron R. Parsons, and 2 more authors
    \apj, Oct 2017
    DOI
  3. Stacking Caustic Masses from Galaxy Clusters
    Daniel Gifford, Nicholas Kern, and Christopher J. Miller
    \apj, Jan 2017
    DOI

2016

  1. Inferring Gravitational Potentials from Mass Densities in Cluster-sized Halos
    Christopher J. Miller, Alejo Stark, Daniel Gifford, and 1 more author
    \apj, May 2016
    DOI
  2. Probing theories of gravity with phase space-inferred potentials of galaxy clusters
    Alejo Stark, Christopher J. Miller, Nicholas Kern, and 5 more authors
    \prd, Apr 2016
    DOI
  3. Radio Properties of Young Stellar Objects in the Core of the Serpens South Infrared Dark Cloud
    Nicholas S. Kern, Jared A. Keown, John J. Tobin, and 2 more authors
    \aj, Feb 2016
    DOI

2015

  1. EVLA Observation of Centimeter Continuum Emission from Protostars in Serpens South
    Nicholas S. Kern, John J. Tobin, Jared A. Keown, and 1 more author
    In American Astronomical Society Meeting Abstracts #225, Jan 2015
  2. The C4 Cluster Abundance Function Using Caustic Mass Estimates
    Daniel Gifford, Christopher J. Miller, Nicholas S. Kern, and 3 more authors
    In American Astronomical Society Meeting Abstracts #225, Jan 2015
  3. High precision measurements of galaxy cluster escape velocities through phase-space stacking.
    Christopher J. Miller, Daniel Gifford, and Nicholas S. Kern
    In American Astronomical Society Meeting Abstracts #225, Jan 2015

2014

  1. The Environment Within Galaxy Clusters as Measured by the Gravitational Potential
    Kyle Twadelle, C. J. Miller, N. S. Kern, and 1 more author
    In American Astronomical Society Meeting Abstracts #223, Jan 2014
  2. Imaging the Spatial Density Within Starburst Galaxies M82 and Arp220
    Nicholas S. Kern, J. G. Mangum, J. K. Darling, and 2 more authors
    In American Astronomical Society Meeting Abstracts #223, Jan 2014

2013

  1. A Systematic Analysis of Caustic Methods for Galaxy Cluster Masses
    Daniel Gifford, Christopher Miller, and Nicholas Kern
    \apj, Aug 2013
    DOI
  2. Observing the Gravitational Potential Profiles of Galaxy Clusters
    Daniel Gifford, C. J. Miller, C. Harrison, and 1 more author
    In American Astronomical Society Meeting Abstracts #221, Jan 2013