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T

Tirthankar Roy Choudhury

tata institute of fundamental research (tifr)

38H-index
198Paper Count
4.8KCitation Count
Published Papers 103
Publication Date
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Conditioning halos on the tidal environment for fast and accurate HI power spectra during reionization
errJournal of Cosmology and Astroparticle Physics
IF5.9
err2026-04-15
err0
PREAI
errGaurav Pundir; Tirthankar Roy Choudhury; Aseem Paranjape
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Can an anti-de Sitter vacuum in the dark energy sector explain JWST high-redshift galaxy and reionization observations?
errMonthly Notices of the Royal Astronomical Society
IF4.8
err2026-03-01
err0
PREAI
errChakraborty, Anirban; Choudhury, Tirthankar Roy; Sen, Anjan Ananda; Mukherjee, Purba
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Probing reionization-era galaxies with JWST UV luminosity functions and large-scale clustering
errJournal of Cosmology and Astroparticle Physics
IF5.9
err2026-01-05
err0
PREAI
errAnirban Chakraborty; Tirthankar Roy Choudhury
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ELAIS-N1 deep field uGMRT Band-2: constraints on diffuse Galactic synchrotron emission power spectrum
errMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
IF4.8
err2025-12-01
err0
errOAAI
errSagar, R.; Datta, A.; Chakraborty, A.; Roy, Nirupam; Sinha, A.; Mazumder, A.; Dutta, Prasun; Elahi, Khandakar Md Asif; Datta, Kanan K.; Choudhuri, Samir; Bharadwaj, Somnath; Pal, Srijita; Tripathi, Anshuman; Majumdar, Suman; Choudhury, Tirthankar Roy; Ali, Sk Saiyad
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Capturing small-scale reionization physics: A sub-grid model for photon sinks with SCRIPT
errJournal of Cosmology and Astroparticle Physics
IF5.9
err2025-10-30
err0
PREAI
errTirthankar Roy Choudhury; Anirban Chakraborty
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Efficient hybrid technique for generating sub-grid haloes in reionization simulations
errJOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
IF5.9
err2024-11-21
err0
PREAI
errBarsode, Ankur; Choudhury, Tirthankar Roy
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Modelling the star-formation activity and ionizing properties of high-redshift galaxies
errJOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
IF5.9
err2024-07-29
err2
errOAAI
errChakraborty, Anirban; Choudhury, Tirthankar Roy
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Simulating the epoch of helium reionization in photon-conserving semi-numerical code SCRIPT
errJOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
IF5.9
err2024-05-20
err0
errOAAI
errKapahtia, Akanksha; Choudhury, T. Roy
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Covariance matrices for the Lyman- α forest using the lognormal approximation
errJOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
IF5.9
err2024-04-23
err0
PREAI
errArya, B.; Paranjape, A.; Choudhury, T. Roy
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A modified lognormal approximation of the Lyman-α forest: comparison with full hydrodynamic simulations at 2 ≤ z ≤ 2 . 7
errJOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
IF5.9
err2024-04-23
err1
PREAI
errArya, B.; Choudhury, T. Roy; Paranjape, A.; Gaikwad, P.
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Probing the physics of reionization using kinematic Sunyaev-Zeldovich power spectrum from current and upcoming cosmic microwave background surveys
errMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
IF4.8
err2024-03-15
err1
errOAAI
errJain, Divesh; Choudhury, Tirthankar Roy; Raghunathan, Srinivasan; Mukherjee, Suvodip
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A GPR-based emulator for semi-numerical reionization code SCRIPT: parameter inference from 21 cm data
errJOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
IF5.9
err2024-03-13
err1
errOAAI
errChoudhury, T. Roy; Paranjape, A.; Maity, B.
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Warm Dark matter constraints from the joint analysis of CMB, Ly α, and global 21 cm data
errMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
IF4.8
err2023-12-20
err2
errOAAI
errChatterjee, Atrideb; Choudhury, Tirthankar Roy
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Disentangling patchy reionization signatures from primordial gravitational waves using CMB E-mode and B-mode polarization
errMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
IF4.8
err2023-10-26
err3
errOAAI
errJain, Divesh; Mukherjee, Suvodip; Choudhury, Tirthankar Roy
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A fast method of reionization parameter space exploration using GPR trained SCRIPT
errMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
IF4.8
err2023-10-01
err3
PREAI
errMaity, Barun; Paranjape, Aseem; Choudhury, Tirthankar Roy
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A framework to mitigate patchy reionization contamination on the primordial gravitational wave signal
errMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
IF4.8
err2023-04-19
err3
errOAAI
errJain, Divesh; Choudhury, Tirthankar Roy; Mukherjee, Suvodip; Paul, Sourabh
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Efficient exploration of reionization parameters for the upcoming 21 cm observations using a photon-conserving seminumerical model SCRIPT
errMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
IF4.8
err2023-03-16
err6
errOAAI
errMaity, Barun; Choudhury, Tirthankar Roy
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Lognormal seminumerical simulations of the Lymanα forest: comparison with full hydrodynamic simulations
errMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
IF4.8
err2023-02-06
err2
errOAAI
errArya, Bhaskar; Choudhury, Tirthankar Roy; Paranjape, Aseem; Gaikwad, Prakash
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Constraining the reionization and thermal history of the Universe using a seminumerical photon-conserving code SCRIPT
errMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
IF4.8
err2022-07-05
err17
errOAAI
errMaity, Barun; Choudhury, Tirthankar Roy
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errSave
Probing the thermal history during reionization using a seminumerical photon-conserving code script
errMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
IF4.8
err2022-01-27
err17
errOAAI
errMaity, Barun; Choudhury, Tirthankar Roy
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errSave

Research Directions

No research directions
Co-authors
Cooperation Journals
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X
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A
Andrea Ferrara
H-index: 87 · Papers: 698
M
Marta Volonteri
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