Illuminating the darkness with precision maps of neutral hydrogen across cosmic time

Publications

Measurements of the diffuse Galactic synchrotron spectral index and curvature from MeerKLASS pilot data

Auteurs: Melis O. Irfan; Philip Bull; Mario G. Santos; Jingying Wang; Keith Grainge; Yichao Li; Isabella P. Carucci; Marta Spinelli; Steven Cunnington
Publié dans: Monthly Notices of the Royal Astronomical Society, Numéro 509, 2022, Page(s) 4923–4939, ISSN 0035-8711
Éditeur: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stab3346

Bayesian jackknife tests with a small number of subsets: application to HERA 21 cm power spectrum upper limits

Auteurs: Michael J Wilensky; Fraser Kennedy; Philip Bull; Joshua S Dillon; Zara Abdurashidova; Tyrone Adams; James E Aguirre; Paul Alexander; Zaki S Ali; Rushelle Baartman; Yanga Balfour; Adam P Beardsley; Gianni Bernardi; Tashalee S Billings; Judd D Bowman; Richard F Bradley; Jacob Burba; Steven Carey; Chris L Carilli; Carina Cheng; David R DeBoer; Eloy de Lera Acedo; Matt Dexter; Nico Eksteen; John Ely
Publié dans: Monthly Notices of the Royal Astronomical Society, Numéro 2, 2022, ISSN 1365-2966
Éditeur: Oxford University Press
DOI: 10.1093/mnras/stac3484

H <scp>i</scp> intensity mapping with MeerKAT: power spectrum detection in cross-correlation with WiggleZ galaxies

Auteurs: Steven Cunnington; Yichao Li; Mario G Santos; Jingying Wang; Isabella P Carucci; Melis O Irfan; Alkistis Pourtsidou; Marta Spinelli; Laura Wolz; Paula S Soares; Chris Blake; Philip Bull; Brandon Engelbrecht; José Fonseca; Keith Grainge; Yin-Zhe Ma
Publié dans: Monthly Notices of the Royal Astronomical Society, Numéro 518, 2022, ISSN 1365-2966
Éditeur: Oxford University Press
DOI: 10.1093/mnras/stac3060

A Real Time Processing System for Big Data in Astronomy: Applications to HERA

Auteurs: P. La Plante; P. La Plante; Peter K. G. Williams; Peter K. G. Williams; Matthew Kolopanis; Joshua S. Dillon; Adam P. Beardsley; Adam P. Beardsley; Nicholas S. Kern; Nicholas S. Kern; M. Wilensky; Zaki S. Ali; Zara Abdurashidova; James E. Aguirre; Paul Alexander; Yanga Balfour; Gianni Bernardi; Gianni Bernardi; Tashalee S. Billings; Judd D. Bowman; Richard F. Bradley; Philip Bull; Jacob Burba; S. H
Publié dans: Astronomy and Computing, Numéro 36, 2021, ISSN 2213-1337
Éditeur: Elsevier BV
DOI: 10.1016/j.ascom.2021.100489

Spin-based removal of instrumental systematics in 21cm intensity mapping surveys

Auteurs: Nialh McCallum; Daniel Thomas; Philip Bull; Philip Bull; Michael L. Brown
Publié dans: Monthly Notices of the Royal Astronomical Society, Numéro 508, 2021, Page(s) 5556–5577, ISSN 0035-8711
Éditeur: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stab2811

All-sky modelling requirements for Bayesian 21 cm power spectrum estimation with <scp>bayeseor</scp>

Auteurs: Jacob Burba; Peter H Sims; Jonathan C Pober
Publié dans: Monthly Notices of the Royal Astronomical Society, Numéro 3, 2023, ISSN 1365-2966
Éditeur: Oxford University Press
DOI: 10.1093/mnras/stad401

Why and When to Expect Gaussian Error Distributions in Epoch of Reionization 21-cm Power Spectrum Measurements

Auteurs: Michael J Wilensky; Jordan Brown; Bryna J Hazelton
Publié dans: Monthly Notices of the Royal Astronomical Society, Numéro 1, 2023, ISSN 1365-2966
Éditeur: Oxford University Press
DOI: 10.1093/mnras/stad863

Direct Optimal Mapping for 21 cm Cosmology: A Demonstration with the Hydrogen Epoch of Reionization Array

Auteurs: Zhilei Xu, Jacqueline N. Hewitt, Kai-Feng Chen, Honggeun Kim, Joshua S. Dillon, Nicholas S. Kern, Miguel F. Morales, Bryna J. Hazelton, Ruby Byrne, Nicolas Fagnoni, Eloy de Lera Acedo, Zara Abdurashidova, Tyrone Adams, James E. Aguirre, Paul Alexander, Zaki S. Ali, Rushelle Baartman, Yanga Balfour, Adam P. Beardsley, Gianni Bernardi, Tashalee S. Billings, Judd D. Bowman, Richard F. Bradley, Philip
Publié dans: The Astrophysical Journal, Numéro 938, 2022, ISSN 1538-4357
Éditeur: Institute of Physics
DOI: 10.3847/1538-4357/ac9053

Statistical recovery of the BAO scale from multipoles of the beam-convolved 21 cm correlation function

Auteurs: Fraser Kennedy; Philip Bull; Philip Bull
Publié dans: Monthly Notices of the Royal Astronomical Society, Numéro 506, 2021, Page(s) 2638–2658, ISSN 0035-8711
Éditeur: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stab1814

Evidence of Ultrafaint Radio Frequency Interference in Deep 21 cm Epoch of Reionization Power Spectra with the Murchison Wide-field Array

Auteurs: Michael J. Wilensky; Miguel F. Morales; Bryna J. Hazelton; Pyxie L. Star; Nichole Barry; Ruby Byrne; C. H. Jordan; Daniel C. Jacobs; Jonathan C. Pober; C. M. Trott
Publié dans: The Astrophysical Journal, Numéro 2, 2023, Page(s) 78, ISSN 1538-4357
Éditeur: IOP
DOI: 10.3847/1538-4357/acffbd

Exploring the consequences of chromatic data excision in 21-cm Epoch of Reionization power spectrum observations

Auteurs: M. Wilensky; M. Wilensky; Bryna J. Hazelton; Miguel F. Morales
Publié dans: Monthly Notices of the Royal Astronomical Society, Numéro 510, 2022, Page(s) 5023–5034, ISSN 0035-8711
Éditeur: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stab3456

Characterizing line-of-sight variability of polarized dust emission with future CMB experiments

Auteurs: Lisa McBride; Philip Bull; Brandon S Hensley
Publié dans: Monthly Notices of the Royal Astronomical Society, Numéro 519, 2023, ISSN 1365-2966
Éditeur: Oxford University Press
DOI: 10.1093/mnras/stac3754

Methods of Error Estimation for Delay Power Spectra in 21 cm Cosmology

Auteurs: Jianrong Tan; Jianrong Tan; Adrian Liu; Nicholas S. Kern; Zara Abdurashidova; James E. Aguirre; Paul Alexander; Zaki S. Ali; Yanga Balfour; Adam P. Beardsley; Gianni Bernardi; Gianni Bernardi; Tashalee S. Billings; Judd D. Bowman; Richard F. Bradley; Philip Bull; Jacob Burba; Steven Carey; Chris Carilli; Carina Cheng; David DeBoer; Matt Dexter; Eloy de Lera Acedo; Joshua S. Dillon; John Ely; Aaron
Publié dans: The Astrophysical Journal Supplement Series, Numéro 255, 2021, ISSN 0004-637X
Éditeur: University of Chicago Press
DOI: 10.3847/1538-4365/ac0533

Improved Constraints on the 21 cm EoR Power Spectrum and the X-Ray Heating of the IGM with HERA Phase I Observations

Auteurs: The HERA Collaboration: Zara Abdurashidova, Tyrone Adams, James E. Aguirre, Paul Alexander, Zaki S. Ali, Rushelle Baartman, Yanga Balfour, Rennan Barkana, Adam P. Beardsley, Gianni Bernardi, Tashalee S. Billings, Judd D. Bowman, Richard F. Bradley, Daniela Breitman, Philip Bull, Jacob Burba, Steve Carey, Chris L. Carilli, Carina Cheng, Samir Choudhuri, David R. DeBoer, Eloy de Lera Acedo, Matt Dex
Publié dans: The Astrophysical Journal, Numéro 945, 2023, ISSN 1538-4357
Éditeur: Institute of Physics
DOI: 10.3847/1538-4357/acaf50

Validation of the HERA Phase i Epoch of Reionization 21 cm Power Spectrum Software Pipeline

Auteurs: James E. Aguirre; Steven G. Murray; Robert Pascua; Zachary E. Martinot; Jacob Burba; Joshua S. Dillon; Daniel C. Jacobs; Nicholas S. Kern; Piyanat Kittiwisit; Matthew Kolopanis; Adam Lanman; Adrian Liu; Lily Whitler; Zara Abdurashidova; Paul Alexander; Zaki S. Ali; Yanga Balfour; Adam P. Beardsley; Gianni Bernardi; Tashalee S. Billings; Judd D. Bowman; Richard F. Bradley; Philip Bull; Steve Carey;
Publié dans: Astrophysical Journal, Numéro 924, 2022, ISSN 0004-637X
Éditeur: University of Chicago Press
DOI: 10.3847/1538-4357/ac32cd

Mitigating the effect of 1/<i>f</i> noise on the detection of the <scp>H i</scp> intensity mapping power spectrum from single-dish measurements

Auteurs: Melis O Irfan; Yichao Li; Mario G Santos; Philip Bull; Junhua Gu; Steven Cunnington; Keith Grainge; Jingying Wang
Publié dans: Monthly Notices of the Royal Astronomical Society, Numéro 1, 2023, Page(s) 4717–4729, ISSN 1365-2966
Éditeur: OUP
DOI: 10.1093/mnras/stad3457

Impact of instrument and data characteristics in the interferometric reconstruction of the 21 cm power spectrum

Auteurs: Adélie Gorce, Samskruthi Ganjam, Adrian Liu, Steven G Murray, Zara Abdurashidova, Tyrone Adams, James E Aguirre, Paul Alexander, Zaki S Ali, Rushelle Baartman, Yanga Balfour, Adam P Beardsley, Gianni Bernardi, Tashalee S Billings, Judd D Bowman, Richard F Bradley, Philip Bull, Jacob Burba, Steven Carey, Chris L Carilli, Carina Cheng, David R DeBoer, Eloy de Lera Acedo, Matt Dexter, Joshua S Dillo
Publié dans: Monthly Notices of the Royal Astronomical Society, Numéro 520, 2023, ISSN 1365-2966
Éditeur: Oxford University Press
DOI: 10.1093/mnras/stad090

Statistical Recovery of 21 cm Visibilities and Their Power Spectra with Gaussian-constrained Realizations and Gibbs Sampling

Auteurs: Fraser Kennedy, Philip Bull, Michael J. Wilensky, Jacob Burba, Samir Choudhuri
Publié dans: The Astrophysical Journal Supplement, Numéro 266, 2023, ISSN 1538-4365
Éditeur: Institute of Physics
DOI: 10.3847/1538-4365/acc324

First Results from HERA Phase I: Upper Limits on the Epoch of Reionization 21 cm Power Spectrum

Auteurs: Zara Abdurashidova, James E. Aguirre, Paul Alexander, Zaki S. Ali, Yanga Balfour, Adam P. Beardsley, Gianni Bernardi, Tashalee S. Billings, Judd D. Bowman, Richard F. Bradley, Philip Bull, Jacob Burba, Steve Carey, Chris L. Carilli, Carina Cheng, David R. DeBoer, Matt Dexter, Eloy de Lera Acedo, Taylor Dibblee-Barkman, Joshua S. Dillon, John Ely, Aaron Ewall-Wice, Nicolas Fagnoni, Randall Fritz, S
Publié dans: The Astrophysical Journal, Numéro 925, 2022, ISSN 0004-637X
Éditeur: University of Chicago Press
DOI: 10.3847/1538-4357/ac1c78

The foreground transfer function for H i intensity mapping signal reconstruction: MeerKLASS and precision cosmology applications

Auteurs: Steven Cunnington, Laura Wolz, Philip Bull, Isabella P Carucci, Keith Grainge, Melis O Irfan, Yichao Li, Alkistis Pourtsidou, Mario G Santos, Marta Spinelli, Jingying Wang
Publié dans: Monthly Notices of the Royal Astronomical Society, Numéro 523, 2023, ISSN 1365-2966
Éditeur: Oxford University Press
DOI: 10.1093/mnras/stad1567

Cleaning foregrounds from single-dish 21 cm intensity maps with Kernel principal component analysis

Auteurs: Melis O. Irfan; Melis O. Irfan; Philip Bull; Philip Bull
Publié dans: Monthly Notices of the Royal Astronomical Society, Numéro 508, 2021, Page(s) 3551–3568, ISSN 0035-8711
Éditeur: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stab2855

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