Nichole Barry

Dual polarization measurements of MWA beampatterns at 137 MHz

A Chokshi, JLB Line, N Barry, D Ung, D Kenney, A McPhail, A Williams, RL Webster

Journal article  |  2021  |  Monthly Notices of the Royal Astronomical Society

ABSTRACT The wide adoption of low-frequency radio interferometers as a tool for deeper and higher resolution astron..

Exploring reionization and high-z galaxy observables with recent multiredshift MWA upper limits on the 21-cm signal

Bradley Greig, Cathryn M Trott, Nichole Barry, Simon J Mutch, Bart Pindor, Rachel L Webster, J Stuart B Wyithe

Journal article  |  2021  |  Monthly Notices of the Royal Astronomical Society

ABSTRACT We use the latest multiredshift (z = 6.5−8.7) upper limits on the 21-cm signal from the Murchison Widefiel..

Quantifying excess power from radio frequency interference in Epoch of Reionization measurements

Michael J Wilensky, Nichole Barry, Miguel F Morales, Bryna J Hazelton, Ruby Byrne

Journal article  |  2020  |  Monthly Notices of the Royal Astronomical Society

ABSTRACT We quantify the effect of radio frequency interference (RFI) on measurements of the 21-cm power spectrum d..

Deep multiredshift limits on Epoch of Reionization 21 cm power spectra from four seasons of Murchison Widefield Array observations

Cathryn M Trott, CH Jordan, S Midgley, N Barry, B Greig, B Pindor, JH Cook, G Sleap, SJ Tingay, D Ung, P Hancock, A Williams, J Bowman, R Byrne, A Chokshi, BJ Hazelton, K Hasegawa, D Jacobs, RC Joseph, W Li, et al.

Journal article  |  2020  |  Monthly Notices of the Royal Astronomical Society

Abstract We compute the spherically averaged power spectrum from four seasons of data obtained for the Epoch of Rei..

The impact of tandem redundant/sky-based calibration in MWA Phase II data analysis

Zheng Zhang, Jonathan C Pober, Wenyang Li, Bryna J Hazelton, Miguel F Morales, Cathryn M Trott, Christopher H Jordan, Ronniy C Joseph, Adam Beardsley, Nichole Barry, Ruby Byrne, Steven J Tingay, Aman Chokshi, Kenji Hasegawa, Daniel C Jacobs, Adam Lanman, Jack LB Line, Christene Lynch, Benjamin McKinley, Daniel A Mitchell, et al.

Journal article  |  2020  |  Publications of the Astronomical Society of Australia

Abstract Precise instrumental calibration is of crucial importance to 21-cm cosmology experiments. The Murchison Widefield Arra..

Improving the Epoch of Reionization Power Spectrum Results from Murchison Widefield Array Season 1 Observations

N Barry, M Wilensky, CM Trott, B Pindor, AP Beardsley, BJ Hazelton, IS Sullivan, MF Morales, JC Pober, J Line, B Greig, R Byrne, A Lanman, W Li, CH Jordan, RC Joseph, B McKinley, M Rahimi, S Yoshiura, JD Bowman, et al.

Journal article  |  2019  |  The Astrophysical Journal

Robust statistics towards detection of the 21 cm signal from the Epoch of Reionization

Cathryn M Trott, Shih Ching Fu, SG Murray, CH Jordan, JLB Line, N Barry, R Byrne, BJ Hazelton, K Hasegawa, R Joseph, T Kaneuji, K Kubota, W Li, C Lynch, B McKinley, DA Mitchell, MF Morales, B Pindor, JC Pober, M Rahimi, et al.

Journal article  |  2019  |  Monthly Notices of the Royal Astronomical Society

Fundamental Limitations on the Calibration of Redundant 21 cm Cosmology Instruments and Implications for HERA and the SKA

Ruby Byrne, Miguel F Morales, Bryna Hazelton, Wenyang Li, Nichole Barry, Adam P Beardsley, Ronniy Joseph, Jonathan Pober, Ian Sullivan, Cathryn Trott

Journal article  |  2019  |  The Astrophysical Journal

Understanding the diversity of 21 cm cosmology analyses

Miguel F Morales, Adam Beardsley, Jonathan Pober, Nichole Barry, Bryna Hazelton, Daniel Jacobs, Ian Sullivan

Journal article  |  2019  |  Monthly Notices of the Royal Astronomical Society

The FHD/epsilon ppsilon Epoch of Reionisation power spectrum pipeline

N Barry, AP Beardsley, R Byrne, B Hazelton, MF Morales, JC Pober, I Sullivan

Journal article  |  2019  |  Publications of the Astronomical Society of Australia