Imaging the cosmic dawn and the first galaxies with 21cm and atomic line intensity mapping

Publications

Peer reviewed articles (30)

Evaluating machine learning techniques for predicting power spectra from reionization simulations

Author(s): W D Jennings, C A Watkinson, F B Abdalla, J D McEwen
Published in: Monthly Notices of the Royal Astronomical Society, 483/3, 2018, Page(s) 2907-2922, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/sty3168

Analysing the Epoch of Reionization with three-point correlation functions and machine learning techniques

Author(s): W D Jennings, C A Watkinson, F B Abdalla
Published in: Monthly Notices of the Royal Astronomical Society, 498/3, 2020, Page(s) 4518-4532, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/staa2598

Fundamental physics with the Square Kilometre Array

Author(s): A. Weltman, P. Bull, S. Camera, K. Kelley, H. Padmanabhan, J. Pritchard, A. Raccanelli, S. Riemer-Sørensen, L. Shao, S. Andrianomena, E. Athanassoula, D. Bacon, R. Barkana, G. Bertone, C. Bœhm, C. Bonvin, A. Bosma, M. Brüggen, C. Burigana, F. Calore, J. A. R. Cembranos, C. Clarkson, R. M. T. Connors, Á. de la Cruz-Dombriz, P. K. S. Dunsby, J. Fonseca, N. Fornengo, D. Gaggero, I. Harrison, J. L
Published in: Publications of the Astronomical Society of Australia, 37, 2020, ISSN 1448-6083
Publisher: Cambridge University Press
DOI: 10.1017/pasa.2019.42

Position-dependent power spectra of the 21-cm signal from the epoch of reionization

Author(s): Sambit K. Giri, Anson D'Aloisio, Garrelt Mellema, Eiichiro Komatsu, Raghunath Ghara, Suman Majumdar
Published in: Journal of Cosmology and Astroparticle Physics, 2019/02, 2019, Page(s) 058-058, ISSN 1475-7516
Publisher: Institute of Physics
DOI: 10.1088/1475-7516/2019/02/058

Studying the morphology of reionization with the triangle correlation function of phases

Author(s): Adélie Gorce, Jonathan R Pritchard
Published in: Monthly Notices of the Royal Astronomical Society, 489/1, 2019, Page(s) 1321-1337, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stz2195

Observational constraints on key-parameters of cosmic reionisation history

Author(s): A. Gorce, M. Douspis, N. Aghanim, M. Langer
Published in: Astronomy & Astrophysics, 616, 2018, Page(s) A113, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/201629661

Comparing foreground removal techniques for recovery of the LOFAR-EoR 21 cm power spectrum

Author(s): Ian Hothi, Emma Chapman, Jonathan R Pritchard, F G Mertens, L V E Koopmans, B Ciardi, B K Gehlot, R Ghara, A Ghosh, S K Giri, I T Iliev, V Jelić, S Zaroubi
Published in: Monthly Notices of the Royal Astronomical Society, 500/2, 2020, Page(s) 2264-2277, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/staa3446

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

Author(s): Cathryn M. Trott, Catherine A. Watkinson, Christopher H. Jordan, Shintaro Yoshiura, Suman Majumdar, N. Barry, R. Byrne, B. J. Hazelton, K. Hasegawa, R. Joseph, T. Kaneuji, K. Kubota, W. Li, J. Line, C. Lynch, B. McKinley, D. A. Mitchell, M. F. Morales, S. Murray, B. Pindor, J. C. Pober, M. Rahimi, J. Riding, K. Takahashi, S. J. Tingay, R. B. Wayth, R. L. Webster, M. Wilensky, J. S. B. Wyithe, Q. Z
Published in: Publications of the Astronomical Society of Australia, 36, 2019, ISSN 1448-6083
Publisher: Cambridge University Press
DOI: 10.1017/pasa.2019.15

Redshifted 21-cm bispectrum – II. Impact of the spin temperature fluctuations and redshift space distortions on the signal from the Cosmic Dawn

Author(s): Mohd Kamran, Raghunath Ghara, Suman Majumdar, Rajesh Mondal, Garrelt Mellema, Somnath Bharadwaj, Jonathan R Pritchard, Ilian T Iliev
Published in: Monthly Notices of the Royal Astronomical Society, 502/3, 2021, Page(s) 3800-3813, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stab216

Bayesian model selection with future 21cm observations of the epoch of reionization

Author(s): T Binnie, J R Pritchard
Published in: Monthly Notices of the Royal Astronomical Society, 487/1, 2019, Page(s) 1160-1177, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stz1297

Effects of the sources of reionization on 21-cm redshift-space distortions

Author(s): Suman Majumdar, Hannes Jensen, Garrelt Mellema, Emma Chapman, Filipe B. Abdalla, Kai-Yan Lee, Ilian T. Iliev, Keri L. Dixon, Kanan K. Datta, Benedetta Ciardi, Elizabeth R. Fernandez, Vibor Jelić, Léon V. E. Koopmans, Saleem Zaroubi
Published in: Monthly Notices of the Royal Astronomical Society, 456/2, 2015, Page(s) 2080-2094, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stv2812

Quantifying the non-Gaussianity in the EoR 21-cm signal through bispectrum

Author(s): Suman Majumdar, Jonathan R Pritchard, Rajesh Mondal, Catherine A Watkinson, Somnath Bharadwaj, Garrelt Mellema
Published in: Monthly Notices of the Royal Astronomical Society, 476/3, 2018, Page(s) 4007-4024, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/sty535

The 21-cm bispectrum as a probe of non-Gaussianities due to X-ray heating

Author(s): Catherine A Watkinson, Sambit K Giri, Hannah E Ross, Keri L Dixon, Ilian T Iliev, Garrelt Mellema, Jonathan R Pritchard
Published in: Monthly Notices of the Royal Astronomical Society, 482/2, 2018, Page(s) 2653-2669, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/sty2740

Modelling the 21-cm Signal from the Epoch of Reionization and Cosmic Dawn

Author(s): T. Roy Choudhury, Kanan Datta, Suman Majumdar, Raghunath Ghara, Aseem Paranjape, Rajesh Mondal, Somnath Bharadwaj, Saumyadip Samui
Published in: Journal of Astrophysics and Astronomy, 37/4, 2016, ISSN 0250-6335
Publisher: Indian Academy of Sciences
DOI: 10.1007/s12036-016-9403-z

Parametrizations of the 21-cm global signal and parameter estimation from single-dipole experiments

Author(s): Geraint J. A. Harker, Jordan Mirocha, Jack O. Burns, Jonathan R. Pritchard
Published in: Monthly Notices of the Royal Astronomical Society, 455/4, 2015, Page(s) 3829-3840, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stv2630

Statistics of the epoch of reionization (EoR) 21-cm signal – II. The evolution of the power-spectrum error-covariance

Author(s): Rajesh Mondal, Somnath Bharadwaj, Suman Majumdar
Published in: Monthly Notices of the Royal Astronomical Society, 464/3, 2016, Page(s) 2992-3004, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stw2599

Line-of-Sight Anisotropies in the Cosmic Dawn and Epoch of Reionization 21-cm Power Spectrum

Author(s): Suman Majumdar, Kanan K. Datta, Raghunath Ghara, Rajesh Mondal, T. Roy Choudhury, Somnath Bharadwaj, Sk. Saiyad Ali, Abhirup Datta
Published in: Journal of Astrophysics and Astronomy, 37/4, 2016, ISSN 0250-6335
Publisher: Indian Academy of Sciences
DOI: 10.1007/s12036-016-9402-0

Eliminating the optical depth nuisance from the CMB with 21 cm cosmology

Author(s): Adrian Liu, Jonathan R. Pritchard, Rupert Allison, Aaron R. Parsons, Uroš Seljak, Blake D. Sherwin
Published in: Physical Review D, 93/4, 2016, ISSN 2470-0010
Publisher: American Physical Society
DOI: 10.1103/PhysRevD.93.043013

Prediction of the 21-cm signal from reionization: comparison between 3D and 1D radiative transfer schemes

Author(s): Raghunath Ghara, Garrelt Mellema, Sambit K Giri, T Roy Choudhury, Kanan K Datta, Suman Majumdar
Published in: Monthly Notices of the Royal Astronomical Society, 476/2, 2018, Page(s) 1741-1755, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/sty314

Emulation of reionization simulations for Bayesian inference of astrophysics parameters using neural networks

Author(s): C J Schmit, J R Pritchard
Published in: Monthly Notices of the Royal Astronomical Society, 475/1, 2017, Page(s) 1213-1223, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stx3292

Upper Limits on the 21 cm Epoch of Reionization Power Spectrum from One Night with LOFAR

Author(s): A. H. Patil, S. Yatawatta, L. V. E. Koopmans, A. G. de Bruyn, M. A. Brentjens, S. Zaroubi, K. M. B. Asad, M. Hatef, V. Jelić, M. Mevius, A. R. Offringa, V. N. Pandey, H. Vedantham, F. B. Abdalla, W. N. Brouw, E. Chapman, B. Ciardi, B. K. Gehlot, A. Ghosh, G. Harker, I. T. Iliev, K. Kakiichi, S. Majumdar, G. Mellema, M. B. Silva, J. Schaye, D. Vrbanec, S. J. Wijnholds
Published in: The Astrophysical Journal, 838/1, 2017, Page(s) 65, ISSN 1538-4357
Publisher: IOP Publishing
DOI: 10.3847/1538-4357/aa63e7

Recovering the H ii region size statistics from 21-cm tomography

Author(s): Koki Kakiichi, Suman Majumdar, Garrelt Mellema, Benedetta Ciardi, Keri L. Dixon, Ilian T. Iliev, Vibor Jelić, Léon V. E. Koopmans, Saleem Zaroubi, Philipp Busch
Published in: Monthly Notices of the Royal Astronomical Society, 471/2, 2017, Page(s) 1936-1954, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stx1568

Probing Individual Sources during Reionization and Cosmic Dawn using Square Kilometre Array HI 21-cm Observations

Author(s): Kanan K. Datta, Raghunath Ghara, Suman Majumdar, T. Roy Choudhury, Somnath Bharadwaj, Himadri Roy, Abhirup Datta
Published in: Journal of Astrophysics and Astronomy, 37/4, 2016, ISSN 0250-6335
Publisher: Indian Academy of Sciences
DOI: 10.1007/s12036-016-9405-x

A fast estimator for the bispectrum and beyond – a practical method for measuring non-Gaussianity in 21-cm maps

Author(s): Catherine A. Watkinson, Suman Majumdar, Jonathan R. Pritchard, Rajesh Mondal
Published in: Monthly Notices of the Royal Astronomical Society, 472/2, 2017, Page(s) 2436-2446, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stx2130

A Space-based Observational Strategy for Characterizing the First Stars and Galaxies Using the Redshifted 21 cm Global Spectrum

Author(s): Jack O. Burns, Richard Bradley, Keith Tauscher, Steven Furlanetto, Jordan Mirocha, Raul Monsalve, David Rapetti, William Purcell, David Newell, David Draper, Robert MacDowall, Judd Bowman, Bang Nhan, Edward J. Wollack, Anastasia Fialkov, Dayton Jones, Justin C. Kasper, Abraham Loeb, Abhirup Datta, Jonathan Pritchard, Eric Switzer, Michael Bicay
Published in: The Astrophysical Journal, 844/1, 2017, Page(s) 33, ISSN 1538-4357
Publisher: IOP Publishing
DOI: 10.3847/1538-4357/aa77f4

Redshifted 21-cm bispectrum – I. Impact of the redshift space distortions on the signal from the Epoch of Reionization

Author(s): Suman Majumdar, Mohd Kamran, Jonathan R Pritchard, Rajesh Mondal, Arindam Mazumdar, Somnath Bharadwaj, Garrelt Mellema
Published in: Monthly Notices of the Royal Astronomical Society, 499/4, 2020, Page(s) 5090-5106, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/staa3168

The gravitational and lensing-ISW bispectrum of 21 cm radiation

Author(s): Jonathan R. Pritchard; Claude J. Schmit; Alan Heavens
Published in: MNRAS, 483, 2018, Page(s) 4275, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/sty3400

The bispectrum and 21-cm foregrounds during the Epoch of Reionization

Author(s): Catherine A Watkinson, Cathryn M Trott, Ian Hothi
Published in: Monthly Notices of the Royal Astronomical Society, 501/1, 2020, Page(s) 367-382, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/staa3677

The 21 cm bispectrum during reionization: a tracer of the ionization topology

Author(s): Anne Hutter, Catherine A Watkinson, Jacob Seiler, Pratika Dayal, Manodeep Sinha, Darren J Croton
Published in: Monthly Notices of the Royal Astronomical Society, 492/1, 2020, Page(s) 653-667, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stz3139

Improved constraints on reionisation from CMB observations: A parameterisation of the kSZ effect

Author(s): A. Gorce, S. Ilić, M. Douspis, D. Aubert, M. Langer
Published in: Astronomy & Astrophysics, 640, 2020, Page(s) A90, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202038170

Thesis dissertations (1)

Cosmological signatures of the Epoch of Reionisation

Author(s): Gorce, Adélie
Published in: "Cosmology and Extra-Galactic Astrophysics [astro-ph.CO]. Université Paris-Saclay, 2020. English. ⟨NNT : 2020UPASP026⟩", 1, 2020
Publisher: IAS - Institut d'astrophysique spatiale