Improved upper limits on the 21 cm signal power spectrum of neutral hydrogen at z ≈ 9.1 from LOFAR FG Mertens, M Mevius, LVE Koopmans, AR Offringa, G Mellema, ... Monthly Notices of the Royal Astronomical Society 493 (2), 1662-1685, 2020 | 281 | 2020 |
21 cm signal from cosmic dawn: imprints of spin temperature fluctuations and peculiar velocities R Ghara, TR Choudhury, KK Datta Monthly Notices of the Royal Astronomical Society 447 (2), 1806-1825, 2015 | 104 | 2015 |
Constraining the intergalactic medium at z ≈ 9.1 using LOFAR Epoch of Reionization observations R Ghara, SK Giri, G Mellema, B Ciardi, S Zaroubi, IT Iliev, LVE Koopmans, ... Monthly Notices of the Royal Astronomical Society 493 (4), 4728-4747, 2020 | 98 | 2020 |
Tight constraints on the excess radio background at z = 9.1 from LOFAR R Mondal, A Fialkov, C Fling, IT Iliev, R Barkana, B Ciardi, G Mellema, ... Monthly Notices of the Royal Astronomical Society 498 (3), 4178-4191, 2020 | 84 | 2020 |
Interpreting LOFAR 21-cm signal upper limits at z ≈ 9.1 in the context of high-z galaxy and reionization observations B Greig, A Mesinger, LVE Koopmans, B Ciardi, G Mellema, S Zaroubi, ... Monthly Notices of the Royal Astronomical Society 501 (1), 1-13, 2021 | 65 | 2021 |
Optimal identification of H ii regions during reionization in 21-cm observations SK Giri, G Mellema, R Ghara Monthly Notices of the Royal Astronomical Society 479 (4), 5596-5611, 2018 | 62 | 2018 |
Constraining the state of the intergalactic medium during the Epoch of Reionization using MWA 21-cm signal observations R Ghara, SK Giri, B Ciardi, G Mellema, S Zaroubi Monthly Notices of the Royal Astronomical Society 503 (3), 4551-4562, 2021 | 58 | 2021 |
Imaging the redshifted 21 cm pattern around the first sources during the cosmic dawn using the SKA R Ghara, TR Choudhury, KK Datta, S Choudhuri Monthly Notices of the Royal Astronomical Society 464 (2), 2234-2248, 2017 | 52 | 2017 |
21 cm signal from cosmic dawn–II. Imprints of the light-cone effects R Ghara, KK Datta, TR Choudhury Monthly Notices of the Royal Astronomical Society 453 (3), 3143-3156, 2015 | 51 | 2015 |
Position-dependent power spectra of the 21-cm signal from the epoch of reionization SK Giri, A D'Aloisio, G Mellema, E Komatsu, R Ghara, S Majumdar Journal of Cosmology and Astroparticle Physics 2019 (02), 058, 2019 | 50 | 2019 |
Prediction of the 21-cm signal from reionization: comparison between 3D and 1D radiative transfer schemes R Ghara, G Mellema, SK Giri, TR Choudhury, KK Datta, S Majumdar Monthly Notices of the Royal Astronomical Society 476 (2), 1741-1755, 2018 | 49 | 2018 |
Comparing foreground removal techniques for recovery of the LOFAR-EoR 21 cm power spectrum I Hothi, E Chapman, JR Pritchard, FG Mertens, LVE Koopmans, B Ciardi, ... Monthly Notices of the Royal Astronomical Society 500 (2), 2264-2277, 2021 | 47 | 2021 |
Evaluating the QSO contribution to the 21-cm signal from the Cosmic Dawn HE Ross, KL Dixon, R Ghara, IT Iliev, G Mellema Monthly Notices of the Royal Astronomical Society 487 (1), 1101-1119, 2019 | 46 | 2019 |
Fuzzy dark matter at cosmic dawn: new 21-cm constraints O Nebrin, R Ghara, G Mellema Journal of Cosmology and Astroparticle Physics 2019 (04), 051, 2019 | 40 | 2019 |
Prospects of constraining reionization model parameters using Minkowski tensors and Betti numbers A Kapahtia, P Chingangbam, R Ghara, S Appleby, TR Choudhury Journal of Cosmology and Astroparticle Physics 2021 (05), 026, 2021 | 37 | 2021 |
21-cm signature of the first sources in the Universe: prospects of detection with SKA R Ghara, TR Choudhury, KK Datta Monthly Notices of the Royal Astronomical Society 460 (1), 827-843, 2016 | 34 | 2016 |
Impact of Ly α heating on the global 21-cm signal from the Cosmic Dawn R Ghara, G Mellema Monthly Notices of the Royal Astronomical Society 492 (1), 634-644, 2020 | 33 | 2020 |
Redshift-space distortions in simulations of the 21-cm signal from the cosmic dawn HE Ross, SK Giri, G Mellema, KL Dixon, R Ghara, IT Iliev Monthly Notices of the Royal Astronomical Society 506 (3), 3717-3733, 2021 | 27 | 2021 |
Redshifted 21-cm bispectrum–II. Impact of the spin temperature fluctuations and redshift space distortions on the signal from the Cosmic Dawn M Kamran, R Ghara, S Majumdar, R Mondal, G Mellema, S Bharadwaj, ... Monthly Notices of the Royal Astronomical Society 502 (3), 3800-3813, 2021 | 27 | 2021 |
A numerical study of 21-cm signal suppression and noise increase in direction-dependent calibration of LOFAR data M Mevius, F Mertens, LVE Koopmans, AR Offringa, S Yatawatta, ... Monthly Notices of the Royal Astronomical Society 509 (3), 3693-3702, 2022 | 26 | 2022 |