Raghunath Ghara
Raghunath Ghara
Vahvistettu sähköpostiosoite verkkotunnuksessa campus.technion.ac.il
Nimike
Viittaukset
Viittaukset
Vuosi
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
902020
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
722015
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
352020
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
352015
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
302018
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
262017
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
242019
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
242019
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
232019
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
232016
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
222018
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
202020
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
192020
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
132021
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
132021
Probing Individual Sources during Reionization and Cosmic Dawn using Square Kilometre Array HI 21-cm Observations
KK Datta, R Ghara, S Majumdar, TR Choudhury, S Bharadwaj, H Roy, ...
Journal of Astrophysics and Astronomy 37 (4), 1-16, 2016
122016
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
72021
Line-of-Sight Anisotropies in the Cosmic Dawn and Epoch of Reionization 21-cm Power Spectrum
S Majumdar, KK Datta, R Ghara, R Mondal, TR Choudhury, S Bharadwaj, ...
Journal of Astrophysics and Astronomy 37 (4), 1-21, 2016
72016
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
52021
Measuring the reionization 21 cm fluctuations using clustering wedges
D Raut, TR Choudhury, R Ghara
Monthly Notices of the Royal Astronomical Society 475 (1), 438-447, 2018
52018
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Artikkelit 1–20