FirstDawn SIGNED
Imaging the cosmic dawn and the first galaxies with 21cm and atomic line intensity mapping
Total Cost €
0EC-Contrib. €
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Project "FirstDawn" data sheet
The following table provides information about the project.
| Coordinator |
IMPERIAL COLLEGE OF SCIENCE TECHNOLOGY AND MEDICINE
Organization address contact info |
| Coordinator Country | United Kingdom [UK] |
| Project website | http://pritchardjr.github.io |
| Total cost | 1˙495˙220 € |
| EC max contribution | 1˙495˙220 € (100%) |
| Programme |
1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC)) |
| Code Call | ERC-2014-STG |
| Funding Scheme | ERC-STG |
| Starting year | 2015 |
| Duration (year-month-day) | from 2015-04-01 to 2020-03-31 |
Partnership
Take a look of project's partnership.
| # | ||||
|---|---|---|---|---|
| 1 | IMPERIAL COLLEGE OF SCIENCE TECHNOLOGY AND MEDICINE | UK (LONDON) | coordinator | 1˙495˙220.00 |
Map
Project objective
'Modern astrophysics has pushed the observational frontier to a time a billion years after the Big Bang. Lying beyond this frontier is the period when the first stars and galaxies formed, whose light heated and ionized the Universe in the process known as reionization. Understanding this 'epoch of reionization' would fill in a key missing period in our picture of the history of the Universe. Existing observational techniques have scratched the surface, but new observational techniques are required to truly understand this early period of galaxy formation. My work will lay the theoretical foundations for three novel probes of this period - 21 cm tomography, the 21 cm global signal, and line intensity mapping - that would enable three dimensional maps of the epoch of reionization. If realized through challenging radio-frequency observations, these techniques would transform our understanding of the first galaxies.
Through this ERC starting grant, I will build the theoretical framework needed to predict and interpret observations of line emission from gas in and surrounding the first generation of galaxies. My team will aim to develop models of the interplay between radiation from the first galaxies and the heating, ionization, and illumination of hydrogen gas that lies in the space between galaxies. At the same time, we will build models of the formation and properties of the atomic and molecular gas that fills the space inside galaxies. By combining probes of this 'inner' and 'outer' space a complete nature of galaxy formation during the first billion years might be achieved. Analysis of sky averaged 21 cm observations will complement this with a broad overview of galaxies back to a few hundred million years after the big bang. This work will provide a clear theoretical road map to guide the design of next generation radio telescopes, such as the Square Kilometer Array, to achieve this ambitious goal.'
Publications
| year | authors and title | journal | last update |
|---|---|---|---|
| 2018 |
Suman Majumdar, Jonathan R Pritchard, Rajesh Mondal, Catherine A Watkinson, Somnath Bharadwaj, Garrelt Mellema Quantifying the non-Gaussianity in the EoR 21-cm signal through bispectrum published pages: 4007-4024, ISSN: 0035-8711, DOI: 10.1093/mnras/sty535 |
Monthly Notices of the Royal Astronomical Society 476/3 | 2019-05-14 |
| 2016 |
Adrian Liu, Jonathan R. Pritchard, Rupert Allison, Aaron R. Parsons, Uroš Seljak, Blake D. Sherwin Eliminating the optical depth nuisance from the CMB with 21 cm cosmology published pages: , ISSN: 2470-0010, DOI: 10.1103/PhysRevD.93.043013 |
Physical Review D 93/4 | 2019-04-18 |
| 2017 |
Catherine A. Watkinson, Suman Majumdar, Jonathan R. Pritchard, Rajesh Mondal A fast estimator for the bispectrum and beyond – a practical method for measuring non-Gaussianity in 21-cm maps published pages: 2436-2446, ISSN: 0035-8711, DOI: 10.1093/mnras/stx2130 |
Monthly Notices of the Royal Astronomical Society 472/2 | 2019-04-18 |
| 2017 |
Koki Kakiichi, Suman Majumdar, Garrelt Mellema, Benedetta Ciardi, Keri L. Dixon, Ilian T. Iliev, Vibor Jelić, Léon V. E. Koopmans, Saleem Zaroubi, Philipp Busch Recovering the H ii region size statistics from 21-cm tomography published pages: 1936-1954, ISSN: 0035-8711, DOI: 10.1093/mnras/stx1568 |
Monthly Notices of the Royal Astronomical Society 471/2 | 2019-04-18 |
| 2016 |
Kanan K. Datta, Raghunath Ghara, Suman Majumdar, T. Roy Choudhury, Somnath Bharadwaj, Himadri Roy, Abhirup Datta Probing Individual Sources during Reionization and Cosmic Dawn using Square Kilometre Array HI 21-cm Observations published pages: , ISSN: 0250-6335, DOI: 10.1007/s12036-016-9405-x |
Journal of Astrophysics and Astronomy 37/4 | 2019-04-18 |
| 2017 |
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 A Space-based Observational Strategy for Characterizing the First Stars and Galaxies Using the Redshifted 21 cm Global Spectrum published pages: 33, ISSN: 1538-4357, DOI: 10.3847/1538-4357/aa77f4 |
The Astrophysical Journal 844/1 | 2019-04-18 |
| 2016 |
Rajesh Mondal, Somnath Bharadwaj, Suman Majumdar Statistics of the epoch of reionization (EoR) 21-cm signal – II. The evolution of the power-spectrum error-covariance published pages: 2992-3004, ISSN: 0035-8711, DOI: 10.1093/mnras/stw2599 |
Monthly Notices of the Royal Astronomical Society 464/3 | 2019-04-18 |
| 2016 |
T. Roy Choudhury, Kanan Datta, Suman Majumdar, Raghunath Ghara, Aseem Paranjape, Rajesh Mondal, Somnath Bharadwaj, Saumyadip Samui Modelling the 21-cm Signal from the Epoch of Reionization and Cosmic Dawn published pages: , ISSN: 0250-6335, DOI: 10.1007/s12036-016-9403-z |
Journal of Astrophysics and Astronomy 37/4 | 2019-04-18 |
| 2016 |
Suman Majumdar, Kanan K. Datta, Raghunath Ghara, Rajesh Mondal, T. Roy Choudhury, Somnath Bharadwaj, Sk. Saiyad Ali, Abhirup Datta Line-of-Sight Anisotropies in the Cosmic Dawn and Epoch of Reionization 21-cm Power Spectrum published pages: , ISSN: 0250-6335, DOI: 10.1007/s12036-016-9402-0 |
Journal of Astrophysics and Astronomy 37/4 | 2019-04-18 |
| 2017 |
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 Upper Limits on the 21 cm Epoch of Reionization Power Spectrum from One Night with LOFAR published pages: 65, ISSN: 1538-4357, DOI: 10.3847/1538-4357/aa63e7 |
The Astrophysical Journal 838/1 | 2019-04-18 |
| 2018 |
Raghunath Ghara, Garrelt Mellema, Sambit K Giri, T Roy Choudhury, Kanan K Datta, Suman Majumdar Prediction of the 21-cm signal from reionization: comparison between 3D and 1D radiative transfer schemes published pages: 1741-1755, ISSN: 0035-8711, DOI: 10.1093/mnras/sty314 |
Monthly Notices of the Royal Astronomical Society 476/2 | 2019-04-18 |
| 2017 |
C J Schmit, J R Pritchard Emulation of reionization simulations for Bayesian inference of astrophysics parameters using neural networks published pages: 1213-1223, ISSN: 0035-8711, DOI: 10.1093/mnras/stx3292 |
Monthly Notices of the Royal Astronomical Society 475/1 | 2019-04-18 |
| 2015 |
Geraint J. A. Harker, Jordan Mirocha, Jack O. Burns, Jonathan R. Pritchard Parametrizations of the 21-cm global signal and parameter estimation from single-dipole experiments published pages: 3829-3840, ISSN: 0035-8711, DOI: 10.1093/mnras/stv2630 |
Monthly Notices of the Royal Astronomical Society 455/4 | 2019-04-18 |
| 2018 |
Catherine A Watkinson, Sambit K Giri, Hannah E Ross, Keri L Dixon, Ilian T Iliev, Garrelt Mellema, Jonathan R Pritchard The 21-cm bispectrum as a probe of non-Gaussianities due to X-ray heating published pages: 2653-2669, ISSN: 0035-8711, DOI: 10.1093/mnras/sty2740 |
Monthly Notices of the Royal Astronomical Society 482/2 | 2019-04-18 |
| 2015 |
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 Effects of the sources of reionization on 21-cm redshift-space distortions published pages: 2080-2094, ISSN: 0035-8711, DOI: 10.1093/mnras/stv2812 |
Monthly Notices of the Royal Astronomical Society 456/2 | 2019-04-18 |
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