Mahsa Rahimi

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

Precise instrumental calibration is of crucial importance to 21-cm cosmology experiments. The Murchison Widefield Array’s (MWA) Ph..

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

We compute the spherically averaged power spectrum from four seasons of data obtained for the Epoch of Reionization (EoR) project ..

First Season MWA Phase II Epoch of Reionization Power Spectrum Results at Redshift 7

W Li, JC Pober, N Barry, BJ Hazelton, MF Morales, CM Trott, A Lanman, M Wilensky, I Sullivan, AP Beardsley, T Booler, JD Bowman, R Byrne, B Crosse, D Emrich, TMO Franzen, K Hasegawa, L Horsley, M Johnston-Hollitt, DC Jacobs, et al.

Journal article  |  2019  |  ASTROPHYSICAL JOURNAL

The compact configuration of Phase II of the Murchison Widefield Array (MWA) consists of both a redundant subarray and pseudo-rand..

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  |  ASTROPHYSICAL JOURNAL

Measurements of 21 cm Epoch of Reionization (EoR) structure are subject to systematics originating from both the analysis and the ..

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

We explore methods for robust estimation of the 21 cm signal from the Epoch of Reionization (EoR). A Kernel Density Estimator (KDE..

Gridded and direct Epoch of Reionisation bispectrum estimates using the Murchison Widefield Array

Cathryn M Trott, Catherine A Watkinson, Christopher H Jordan, Shintaro Yoshiura, Suman Majumdar, N Barry, R Byrne, BJ Hazelton, K Hasegawa, R Joseph, T Kaneuji, K Kubota, W Li, J Line, C Lynch, B McKinley, DA Mitchell, MF Morales, S Murray, B Pindor, et al.

Journal article  |  2019  |  PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF AUSTRALIA

We apply two methods to estimate the 21-cm bispectrum from data taken within the Epoch of Reionisation (EoR) project of the Murchi..

Comparing Redundant and Sky-model-based Interferometric Calibration: A First Look with Phase II of the MWA

W Li, JC Pober, BJ Hazelton, N Barry, MF Morales, I Sullivan, AR Parsons, ZS Ali, JS Dillon, AP Beardsley, JD Bowman, F Briggs, R Byrne, P Carroll, B Crosse, D Emrich, A Ewall-Wice, L Feng, TMO Franzen, JN Hewitt, et al.

Journal article  |  2018  |  ASTROPHYSICAL JOURNAL

Interferometric arrays seeking to measure the 21 cm signal from the epoch of reionization (EOR) must contend with overwhelmingly b..