― 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