activity
20232026
most citedInterpreting the HI 21-cm cosmology maps through Largest Cluster Statistics -- I: Impact of the synthetic SKA1-Low observations

6 citations · 11 across the 17 of their papers we have counts for

collaborators

17 papers

astro-ph.IM2026

Machine Learning and the SKA for Cosmic Dawn and the Epoch of Reionization

Anshuman Acharya, Michele Bianco, Daniela Breitman +18

When operational, the SKA will generate unprecedented amounts of data and provide exquisite sensitivity for 21 cm tomography of Cosmic Dawn (CD) and the Epoch of Reionization (EoR)…

astro-ph.CO2026

Foreground Characterization and Mitigation in the Observations of the CD/EoR with the SKA

Philip Bull, Jacob Burba, Emilio Ceccotti +20

The Square Kilometre Array (SKA), with its unprecedented sensitivity, frequency coverage, and large collecting area, is poised to revolutionize our understanding of the Cosmic Dawn…

astro-ph.IM2026

Studying Ionosphere Using SKA-Low and SKA-Mid

Abhirup Datta, Samit Kumar Pal, Sarvesh Mangla +4

The Earth's ionosphere introduces systematic effects that limit the performance of radio interferometers operating at low frequencies (\,GHz). These ionospheric effects…

astro-ph.CO2026

Cosmology with Multi-Wavelength Line Intensity Mapping Synergies in the SKAO Era

Debanjan Sarkar, Suman Majumdar, Chandra Shekhar Murmu +21

Line intensity mapping (LIM) has emerged as a powerful tool for surveying the large-scale structure of the Universe across cosmic time by measuring spatial fluctuations in the cumu…

astro-ph.CO2026

Cosmology with Intensity Mapping via Statistics Beyond the Power Spectrum in the SKAO Era

Suman Majumdar, Debanjan Sarkar, Leon Noble +38

The cosmological distribution of neutral hydrogen (HI) during the post-reionization era is highly non-Gaussian due to the underlying non-linear structure formation, complex galaxy…

astro-ph.CO2026

Inferring Cosmology and Astrophysics from the High-redshift 21cm Signal with SKA-Low

Anshuman Acharya, Satadru Bag, Sabrina Berger +29

The Square Kilometre Array's low frequency telescope (SKA-Low) will enable inference of astrophysical and cosmological parameters from the redshifted 21 cm signal, probing the Cosm…

astro-ph.CO2026

Overview of 21cm Experiments at high redshift with SKAO

CD Science Working Group, Gianni Bernardi, Daniela Breitman +81

We provide an overview of the eight SKAO Science Book chapters that motivate the Epoch of Reionisation and Cosmic Dawn experiments with SKA-Low. We describe the individual SKA-Low…

astro-ph.IM2026

Observations of the Cosmic Dawn and Epoch of Reionization with the SKAO: Observational Lessons Learned from Precursors and Pathfinder Instruments

Eloy de Lera Acedo, James Aguirre, Dominic Anstey +34

This chapter summarizes the observational lessons learned after two decades of observations of the Cosmic Dawn (CD) and Epoch of Reionization (EoR) with SKAO pathfinders and precur…

astro-ph.CO2026

Observational Frontiers in the post-EoR 21-cm Intensity Mapping: Lessons from the SKA Pathfinders

Khandakar Md Asif Elahi, Somnath Bharadwaj, Philip Bull +21

The 21-cm line from neutral hydrogen has long been recognised as a promising tracer of the large-scale structure of the Universe. The line is weak however, making individual galaxy…

astro-ph.CO2026

Imaging the 21-cm Signal from the Cosmic Dawn & Epoch of Reionization and the Connection with the Global Signal

Satadru Bag, Michele Bianco, Samir Choudhuri +12

The original baseline design for SKA-Low was motivated by the ability to produce tomographic images of the redshifted 21-cm signal, thus allowing the research field to move beyond…

astro-ph.CO2026

Mitigating residual foregrounds and systematic errors in SKA1-Low AA* EoR observations via Bayesian Gaussian Process Regression

Samit Kumar Pal, Abhirup Datta, Aishrila Mazumder +1

The redshifted 21\,cm line is an emerging tool in observational cosmology that can serve as a direct probe of the intergalactic medium throughout the cosmic timeline. However, the…

astro-ph.CO2026

Interpreting the HI 21-cm cosmology maps through Largest Cluster Statistics III: Impact of the lightcone effect

Hemanth Potluri, Manas Mohit Dosibhatla, Leon Noble +6

The redshifted 21-cm signal emitted by neutral Hydrogen (HI) is a promising probe to understand the evolution of the topology of ionized regions during the Epoch of Reionization (E…

astro-ph.CO2025

Mitigating gain calibration errors from EoR observations with SKA1-Low AA*

Eeshan Beohar, Abhirup Datta, Anshuman Tripathi +2

The observations of the redshifted 21-cm signal from neutral hydrogen are a promising probe for understanding the Cosmic Dawn and the Epoch of Reionisation (EoR). One of the primar…

astro-ph.CO2025★ 1 cited

Tracing Large-Scale Structure Morphology with Multiwavelength Line Intensity Maps

Manas Mohit Dosibhatla, Suman Majumdar, Chandra Shekhar Murmu +4

Line intensity mapping (LIM) is an emerging technique for probing the large-scale structure (LSS) in the post-reionisation era. This captures the integrated flux of a particular sp…

astro-ph.CO2025

Interpreting the HI 21-cm cosmology maps through Largest Cluster Statistics. Part II. Impact of the realistic foreground and instrumental noise on synthetic SKA1-Low observations

Samit Kumar Pal, Saswata Dasgupta, Abhirup Datta +3

The Largest Cluster Statistics\,(LCS) analysis of the redshifted 21\,cm maps has been demonstrated to be an efficient and robust method for following the time evolution of the larg…

astro-ph.CO2024★ 4 cited

Ionospheric effect on the synthetic Epoch of Reionization observations with the SKA1-Low

Samit Kumar Pal, Abhirup Datta, Aishrila Mazumder

The redshifted \,cm signal of neutral hydrogen can be used as a direct probe of the intergalactic medium during Cosmic Dawn\,(CD) and Epoch of Reionization\,(EoR). However, det…

astro-ph.CO2023★ 6 cited

Interpreting the HI 21-cm cosmology maps through Largest Cluster Statistics -- I: Impact of the synthetic SKA1-Low observations

Saswata Dasgupta, Samit Kumar Pal, Satadru Bag +7

We analyse the evolution of the largest ionized region using the topological and morphological evolution of the redshifted 21-cm signal coming from the neutral hydrogen distributio…