Abhik Ghosh
Abhik Ghosh
SKA postdoctoral fellow at SKA, South Africa
Verified email at ska.ac.za
TitleCited byYear
Upper limits on the 21 cm epoch of reionization power spectrum from one night with LOFAR
AH Patil, S Yatawatta, LVE Koopmans, AG De Bruyn, MA Brentjens, ...
The Astrophysical Journal 838 (1), 65, 2017
1422017
Characterizing foreground for redshifted 21 cm radiation: 150 MHz Giant Metrewave Radio Telescope observations
A Ghosh, J Prasad, S Bharadwaj, SS Ali, JN Chengalur
Monthly Notices of the Royal Astronomical Society 426 (4), 3295-3314, 2012
772012
Improved foreground removal in GMRT 610 MHz observations towards redshifted 21-cm tomography
A Ghosh, S Bharadwaj, SS Ali, JN Chengalur
Monthly Notices of the Royal Astronomical Society 418 (4), 2584-2589, 2011
552011
Polarization leakage in epoch of reionization windows–I. Low Frequency Array observations of the 3C196 field
KMB Asad, LVE Koopmans, V Jelić, VN Pandey, A Ghosh, FB Abdalla, ...
Monthly Notices of the Royal Astronomical Society 451 (4), 3709-3727, 2015
542015
Constraining the epoch of reionization with the variance statistic: simulations of the LOFAR case
AH Patil, S Zaroubi, E Chapman, V Jelić, G Harker, FB Abdalla, KMB Asad, ...
Monthly Notices of the Royal Astronomical Society 443 (2), 1113-1124, 2014
452014
GMRT observation towards detecting the Post-reionization 21-cm signal
A Ghosh, S Bharadwaj, SS Ali, JN Chengalur
Monthly Notices of the Royal Astronomical Society 411 (4), 2426-2438, 2011
422011
Visibility-based angular power spectrum estimation in low-frequency radio interferometric observations
S Choudhuri, S Bharadwaj, A Ghosh, SS Ali
Monthly Notices of the Royal Astronomical Society 445 (4), 4351-4365, 2014
332014
Probing ionospheric structures using the LOFAR radio telescope
M Mevius, S van der Tol, VN Pandey, HK Vedantham, MA Brentjens, ...
Radio Science 51 (7), 927-941, 2016
312016
Predictions for the 21 cm-galaxy cross-power spectrum observable with LOFAR and Subaru
D Vrbanec, B Ciardi, V Jelić, H Jensen, S Zaroubi, ER Fernandez, ...
Monthly Notices of the Royal Astronomical Society 457 (1), 666-675, 2016
292016
Polarization leakage in epoch of reionization windows–II. Primary beam model and direction-dependent calibration
KMB Asad, LVE Koopmans, V Jelić, A Ghosh, FB Abdalla, MA Brentjens, ...
Monthly Notices of the Royal Astronomical Society 462 (4), 4482-4494, 2016
212016
Statistical 21-cm signal separation via Gaussian Process Regression analysis
FG Mertens, A Ghosh, LVE Koopmans
Monthly Notices of the Royal Astronomical Society 478 (3), 3640-3652, 2018
202018
The visibility-based tapered gridded estimator (TGE) for the redshifted 21-cm power spectrum
S Choudhuri, S Bharadwaj, S Chatterjee, SS Ali, N Roy, A Ghosh
Monthly Notices of the Royal Astronomical Society 463 (4), 4093-4107, 2016
192016
Tapering the sky response for angular power spectrum estimation from low-frequency radio-interferometric data
S Choudhuri, S Bharadwaj, N Roy, A Ghosh, SS Ali
Monthly Notices of the Royal Astronomical Society 459 (1), 151-156, 2016
192016
Initial LOFAR observations of epoch of reionization windows-II. Diffuse polarized emission in the ELAIS-N1 field
V Jelić, AG De Bruyn, M Mevius, FB Abdalla, KMB Asad, G Bernardi, ...
Astronomy & astrophysics 568, A101, 2014
182014
Lunar occultation of the diffuse radio sky: LOFAR measurements between 35 and 80 MHz
HK Vedantham, LVE Koopmans, AG De Bruyn, SJ Wijnholds, M Brentjens, ...
Monthly Notices of the Royal Astronomical Society 450 (3), 2291-2305, 2015
172015
A Bayesian analysis of redshifted 21-cm H i signal and foregrounds: simulations for LOFAR
A Ghosh, LVE Koopmans, E Chapman, V Jelić
Monthly Notices of the Royal Astronomical Society 452 (2), 1587-1600, 2015
162015
Linear polarization structures in LOFAR observations of the interstellar medium in the 3C 196 field
V Jelić, AG de Bruyn, VN Pandey, M Mevius, M Haverkorn, MA Brentjens, ...
Astronomy & Astrophysics 583, A137, 2015
142015
The brightness and spatial distributions of terrestrial radio sources
AR Offringa, AG De Bruyn, S Zaroubi, LVE Koopmans, SJ Wijnholds, ...
Monthly Notices of the Royal Astronomical Society 435 (1), 584-596, 2013
132013
Deconvolving the wedge: maximum-likelihood power spectra via spherical-wave visibility modelling
A Ghosh, FG Mertens, LVE Koopmans
Monthly Notices of the Royal Astronomical Society 474 (4), 4552-4563, 2017
112017
The first power spectrum limit on the 21-cm signal of neutral hydrogen during the Cosmic Dawn at z = 20–25 from LOFAR
BK Gehlot, FG Mertens, LVE Koopmans, MA Brentjens, S Zaroubi, ...
Monthly Notices of the Royal Astronomical Society 488 (3), 4271-4287, 2019
102019
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