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

Project Information

FirstDawn

Grant agreement ID: 638743

DOI 10.3030/638743

Project closed

EC signature date 26 February 2015

Start date 1 April 2015

End date 31 March 2020

Funded under

• EXCELLENT SCIENCE - European Research Council (ERC)

Total cost € 1 495 220,00

EU contribution € 1 495 220,00

Coordinated by

IMPERIAL COLLEGE OF SCIENCE TECHNOLOGY AND MEDICINE
United Kingdom

CORDIS provides links to public deliverables and publications of HORIZON projects.

Links to deliverables and publications from FP7 projects, as well as links to some specific result types such as dataset and software, are dynamically retrieved from OpenAIRE .

Publications

Peer reviewed articles (27)

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, Issue 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, Issue 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, Issue 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, Issue 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, Issue 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, Issue 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, Issue 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, Issue 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, Issue 502/3, 2021, Page(s) 3800-3813, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stab216

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

Author(s): Patil; A.H.;Yatawatta; S.;Koopmans; L.V.E.;Bruyn; A.G.;Brentjens; M.A.;Zaroubi; S.;Asad; K.M.B.;Hatef; M.;Jelić; V.;Mevius; M.;Offringa; A.R.;Pandey; V.N.;Vedantham; H.;Abdalla; F B.;Brouw; W.N.;Chapman; E.;Ciardi; B.;Gehlot; B.K.;Ghosh; A.;Harker; G.;Iliev; I.T.;Kakiichi; K.;Majumdar; S.;Mellema; G.;Silva; M.B.;Schaye; J.;Vrbanec; D.;Wijnholds; S.J.
Published in: ASTROPHYSICAL JOURNAL (ISSN 0004-637X), 838 ( 1 ), 65, Issue 1, 2017, Page(s) 838, ISSN 0004-637X
Publisher: University of Chicago Press

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, Issue 487/1, 2019, Page(s) 1160-1177, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stz1297

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, Issue 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, Issue 482/2, 2018, Page(s) 2653-2669, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/sty2740

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, Issue 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, Issue 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, Issue 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, Issue 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, Issue 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, Issue 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, Issue 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, Issue 471/2, 2017, Page(s) 1936-1954, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stx1568

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, Issue 472/2, 2017, Page(s) 2436-2446, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stx2130

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, Issue 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, Issue 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, Issue 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, Issue 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, Issue 640, 2020, Page(s) A90, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202038170

Thesis and 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⟩", Issue 1, 2020
Publisher: IAS - Institut d'astrophysique spatiale