― employment
Pre-doctoral candidate

CCA, Flatiron Institute, New York, USA Feb 2022 - June 2022

― Education
PhD in Astrophysics

Presidency University, India / 2018 - 2023

Master's degree in Physics

University of Calcutta, India / 2014 - 2016

CTC Prize Postdoctoral Fellow

University of Maryland, College Park, USA September 2023 - Present

Brief CV:

Publication List:

First author contributions

  1. A universal model for the accretion rates and formation times of dark matter halos, submitted to ApJ (under review)

    Bera, A. & Diemer, B. (2026), arXiv:2606.09997

  2. Towards Reconciling Reionization with JWST: The Role of Bright Galaxies and Strong Feedback, ApJ 1003

    Bera, A., Hassan, S., Feldmann, R., Davé, R. & Finlator, K. (2026), arXiv:2511.19600

  3. Bridging the Gap between Cosmic Dawn and Reionization Favors Faint Galaxies-dominated Models, ApJ 959

    Bera, A., Hassan, S., Smith, A., Cen, R., Garaldi, E., Kannan, R. & Vogelsberger, M. (2023), arXiv:2209.14312

  4. Impact of cosmic rays on the global 21-cm signal during cosmic dawn, MNRAS 519

    Bera, A., Samui, S. & Datta, K. K. (2023), arXiv:2202.12308

  5. Studying Cosmic Dawn using redshifted HI 21-cm signal: A brief review, Journal of Astrophysics and Astronomy 44

    Bera, A., Ghara, R., Chatterjee, A., Datta, K. K. & Samui, S. (2023), arXiv:2210.12164

  6. Primordial magnetic fields during the cosmic dawn in light of EDGES 21-cm signal, MNRAS 498

    Bera, A., Datta, K. K. & Samui, S. (2020), arXiv:2005.14206

Supervised student papers

  1. Impact of photon escape fraction on the morphology of reionization, in prep.

    Sheoran, P., Bera, A., Hassan, S. et al.

  2. Revisiting AGN contributions to reionization in light of JWST observations, in prep.

    Oneil, Q., Bera, A., Madarasinghe, R., Hassan, S. et al.

Other contributions

  1. High-Redshift Signatures from the Cosmic Dawn and the Epoch of Reionization, Advancing Astrophysics with the SKA II (AASKA II)

    Barkana, R., Basquette, O., Bera, A. et al. (2026), arXiv:2606.29903

  2. JWST Constraints on the UV Luminosity Density at Cosmic Dawn: Implications for 21 cm Cosmology, ApJ 958

    Hassan, S., Lovell, C. C. et al., incl. Bera, A. (2023), arXiv:2305.02703

  3. The cosmic recombination history in light of EDGES measurements of the cosmic dawn 21-cm signal, Physical Review D 102

    Datta, K. K., Kundu, A., Paul, A. & Bera, A. (2020), arXiv:2001.06497

PhD thesis

  • Unveiling the cosmic dawn and epoch of reionization using cosmic 21-cm signal

    Bera, A. (2023), arXiv:2311.13019

Bera A.

― Contacts


ankitabm@umd.edu

Department of Astronomy, University of Maryland PSC 1105, 4296 Stadium Drive College Park, Maryland 20742-2421