Research Positions

2023-2025            Postdoctoral Research Associate, Brown University, Providence, RI, USA.
2021-2023            Postdoctoral Researcher, Astrophysics Research Centre of the Open University of Israel, Ra'anana, Israel.

Education

​PhD Indian Institute of Technology Indore, India. ​
MSc Physics, St.Xavier's College, University of Calcutta, India.
​BSc Physics(Honors), St.Xavier's College, University of Calcutta, India.

Publications

  • 'Modeling of Experimentally Observed Two-Dimensional Precursor Solitons in a Dusty Plasma by the forced Kadomtsev-Petviashvili Equation',  Ajaz Mir, Pintu Bandyopadhyay, Madhurima Choudhury, Krishan Kumar, Abhijit Sen. Physical Review E (arXiv:2504.16715)
  • ‘Constraints on the state of the intergalactic medium at z∼8 − 10 using redshifted 21 cm observations with LOFAR’ , R. Ghara, S. Zaroubi, B. Ciardi, G. Mellema, S. K. Giri, F. G. Mertens, M. Mevius, L. V. E. Koopmans, I. T. Iliev, A. Acharya, S. A. Brackenhoff, E. Ceccotti, K. Chege, I. Georgiev, S. Ghosh, I. Hothi, C. Höfer, Q. Ma, S. Munshi, A. R. Offringa, A. K. Shaw, V. N. Pandey, S. Yatawatta, M. Choudhury. Astronomy & Astrophysics, 2025. (https://doi.org/10.1051/0004-6361/202554163)
  • 'Inferring IGM parameters from the redshifted 21-cm Power Spectrum using Artificial Neural Networks', Madhurima Choudhury, Raghunath Ghara, Saleem Zaroubi, Benedetta Ciardi, Leon V. E. Koopmans, Garrelt Mellema, Abinash Kumar Shaw, Anshuman Acharya, I. T. Iliev, Qing-Bo Ma, Sambit K. Giri. Journal of Cosmology and Astroparticle Physics (arXiv:2407.03523)
  • 'Square Kilometre Array Science Data Challenge 3a: foreground removal for an EoR experiment', MNRAS (arXiv:2503.11740)
  • ’Probing the intergalactic medium during the Epoch of Reionization using 21-cm signal power spectra’ , Ghara, Raghunath ; Shaw, Abinash Kumar ; Zaroubi, Saleem ; Ciardi, Benedetta ; Mellema, Garrelt ; Koopmans, Léon V. E. ; Acharya, Anshuman ; Choudhury, Madhurima ; Giri, Sambit K. ; Iliev, Ilian T. ; Ma, Qing-Bo ; Mertens, Florent. Astronomy & Astrophysics (arxiv.org/abs/2404.11686)
  • ‘Towards 21-cm intensity mapping at z=2.28 with uGMRT using the tapered gridded estimator - IV. Wide-band analysis’ , Kh Md Asif Elahi, Somnath Bharadwaj, Abhik Ghosh, Srijita Pal, Sk Saiyad Ali, Samir Choudhuri, Arnab Chakraborty, Abhirup Datta, Nirupam Roy, Madhurima Choudhury, Prasun Dutta. MNRAS (https://doi.org/10.1093/mnras/stae740)
  • ‘Extracting the Global 21cm signal from Cosmic Dawn and Epoch of Reionization in the presence of Foreground and Ionosphere’. Anshuman Tripathi, Abhirup Datta, Madhurima Choudhury, Suman Majumdar. MNRAS (https://doi.org/10.1093/mnras/stae078)
  • ‘Towards 21-cm intensity mapping at z=2.28 with uGMRT using the tapered gridded estimator III: Foreground removal’ , Kh Md Asif Elahi, Somnath Bharadwaj, Abhik Ghosh, Srijita Pal, Sk Saiyad Ali, Samir Choudhuri, Arnab Chakraborty, Abhirup Datta, Nirupam Roy, Madhurima Choudhury, Prasun Dutta. MNRAS (https://doi.org/10.1093/mnras/stad2495)
  • ‘Towards 21-cm intensity mapping at z = 2.28 with uGMRT using the tapered gridded estimator II: Cross-polarization power spectrum' , Kh Md Asif Elahi, Somnath Bharadwaj, Abhik Ghosh, Srijita Pal, Sk Saiyad Ali, Samir Choudhuri, Arnab Chakraborty, Abhirup Datta, Nirupam Roy, Madhurima Choudhury, Prasun Dutta. MNRAS (https://doi.org/10.1093/mnras/stad191).
  • ‘Synthetic observations with the Square Kilometre Array: Development towards an end-to-end pipeline. J Astrophys Astron 44, 19 (2023)', Mazumder, A., Datta, A., RAO, M.S. , Arnab Chakraborty, Saurabh Singh, Anshuman Tripathi & Madhurima Choudhury (https://doi.org/10.1007/s12036-022-09906-8).
  • ‘Towards 21-cm Intensity Mapping at z=2.28 with uGMRT using the Tapered Gridded Estimator I: Foreground Avoidance' , Srijita Pal, Kh. Md. Asif Elahi, Somnath Bharadwaj, Sk. Saiyad Ali, Samir Choudhuri, Abhik Ghosh, Arnab Chakraborty, Abhirup Datta, Nirupam Roy, Madhurima Choudhury, Prasun Dutta. MNRAS (10.1093/mnras/stac2419)
  • 'Extracting the 21-cm Power Spectrum and the reionization parameters from mock datasets using Artificial Neural Networks ',Choudhury, Madhurima; Datta, Abhirup; Majumdar, Suman, MNRAS ​(arxiv.org/abs/2112.13866)
  • ‘Using Artificial Neural Networks to extract the 21-cm Global Signal from the EDGES data’, Choudhury, Madhurima; Chatterjee, Atrideb; Datta, Abhirup; Choudhury, Tirthankar Roy, MNRAS (https://arxiv.org/pdf/2012.00028.pdf)]
  • ‘Extracting the 21cm Global Signal using Artificial Neural Networks’ , Choudhury M, Datta A, Chakraborty A. MNRAS 2020. (doi.org/ 10.1093/mnras/stz3107)
  • ‘Foreground Subtraction and Signal reconstruction in redshifted 21cm Global Signal Experiments using Artificial Neural Networks’, Choudhury M., Datta A., 2017, Proceedings of the International Astronomical Union, 12, 280 (https://doi.org/10.1017/ S1743921318000455)
  • ‘First multi-redshift limits on post-Epoch of Reionization (post-EoR) 21 cm signal from z = 1.96 − 3.58 using uGMRT’ , Arnab Chakraborty, Abhirup Datta, Nirupam Roy, Somnath Bharadwaj, Tirthankar Roy Choudhury, Kanan Datta, Srijita Pal, Madhurima Choudhury, Samir Choudhuri, Prasun Dutta, and Debanjan Sarkar. ApJL (https://arxiv.org/abs/2012.04674)
  • ‘Detailed study of the ELAIS N1 field with the uGMRT - I. Characterizing the 325 MHz foreground for redshifted 21 cm observations’ , Chakraborty, Arnab; Datta, Abhirup; Choudhuri, Samir; Roy, Nirupam; Intema, Huib; Choudhury, M; Datta, Kanan K.; Pal, Srijita; Bharadwaj, Somnath; Dutta, Prasun; Choudhury, Tirthankar Roy MNRAS ( https://doi.org/10.1093/mnras/stz1580 )
  • ‘Detailed study of ELAIS N1 field with the uGMRT -- II. Source Properties and Spectral Variation Of Foreground Power Spectrum from 300-500 MHz Observations’, Chakraborty, Arnab; Roy, Nirupam; Datta, Abhirup; Choudhuri, Samir; Datta, Kanan K.; Dutta, Prasun; Bharadwaj, Somnath; Intema, Huib; Choudhury, M; Pal, Srijita; Choudhury, Tirthankar Roy. MNRAS ( https://doi.org/10.1093/mnras/stz2533)
  • The Corrections to the Formula for Capillary Rise, published in the IAPT (Indian Association of Physics Teachers) journal November 2011 issue. Link : indapt.org/images/stories/bulletin2011/bulletin_nov_2011.pdf.

​Research Experience

  • Project Assistant, Indian Institute of Science Education and Research, Thiruvananthapuram (IISER-TVM) in the Max Planck partner group on Gravitation, under Dr. Archana Pai. Worked on Parameter estimation in gravitational wave astronomy.
  • Visiting student Programme (VSP) at Raman Research Institute, (RRI) Bangalore during Dec 2014-June 2015, with Professor Avinash A Deshpande. Worked on the modelling of the radio nebula around the Vela pulsar.
  • ATSOA (Aries Training School of Observational Astronomy) 2015 at the Aryabhatta Research Institute for Observational Sciences (ARIES), Nainital during 2-14th March 2015. Worked on a short project on Polarimetry of the star HD236633 using the AIMPOL (Aries Imaging Polarimeter) and basic photometry using a software called IRAF.
  • PSSI (Plasma Science Society of India) fellow at Institute for Plasma Research, Gandhinagar, from Aug-Nov 2014. Worked on “Numerical Investigations of the forced Kadomtsev Petviashvili (fKP) equation and the forced Korteweg de Vries (fKDV) equation ” with Prof. P. Bandyopadhyay and Prof. Abhijit Sen.
  • Summer School Programme (SSP 2013) organised by Institute for Plasma Research, Gandhinagar. Worked on a project titled, “Analytical Formulation of Liquid metal Flow Profile under Transverse Magnetic Fields” under the supervision of Dr. R. P. Bhattacharyay and Srikant Sahu, Institute for Plasma Research, Bhat, Gandhinagar.
  • MSc (Masters’ degree) thesis/final project, worked on Accretion onto Compact Objects. My project was titled ‘A study of Bondi Accretion Flow’, under the supervision of Dr. Suparna Roychowdhury, St.Xavier’s College, Kolkata.
  • BSc (Bachelor’s degree) thesis/project, worked on the ‘Aspects of Measurement of the Dielectric constant of sand in the laboratory’ with Dr. Subhankar Ghosh.


  https://orcid.org/0000-0003-4395-4931