My work aims to study the intergalactic medium at the epoch of Reionization, one of the main transition processes in the history of our Universe. We want to understand how and when reionization happened and how it affected formation and evolution of the large-scale structure.

In Cosmology (the branch of Physics in charge of understanding the largest and earliest structures) one of the main goals is to be able to measure the distribution of matter in the distant Universe. To achieve this, we combine models of the hydrodynamics of baryons using cosmological hydro-simulations with measurements from observations of the distribution of neutral atomic hydrogen gas and other heavier elements in the early Universe. There are several complementary observations aiming to study this important epoch in our Universe, for our models we use data measuring the absorption of light by gas intervening the space between us and very distant luminous sources (such as quasars).


  • Modelling intergalactic low ionization metal absorption line systems near the epoch of reionization
    Suarez, Teresita; Meiksin, Avery
    2021, Monthly Notices of the Royal Astronomical Society, Volume 502, Issue 1, p.888-903
  • UV background fluctuations and three-point correlations in the large-scale clustering of the Lyman α forest
    Tie, Suk Sien; Weinberg, David H.; Martini, Paul; Zhu, Wei; Peirani, Sébastien; Suarez, Teresita; Colombi, Stéphane
    2019, Monthly Notices of the Royal Astronomical Society, Volume 487, Issue 4, p.5346-5362
  • Large-scale fluctuations in the cosmic ionizing background: the impact of beamed source emission
    Suarez, Teresita & Pontzen, Andrew
    2017, Monthly Notices of the Royal Astronomical Society, Volume 472, Issue 3, p.2643-2650
  • Bursty star formation feedback and cooling outflows
    Suarez, Teresita; Pontzen, Andrew; Peiris, Hiranya V.; Slyz, Adrianne; Devriendt, Julien
    2016, Monthly Notices of the Royal Astronomical Society, Volume 462, Issue 1, p.994-1001
  • Understanding local dwarf spheroidals and their scaling relations under MOdified Newtonian Dynamics
    Hernandez, X.; Mendoza, S.; Suarez, T.; Bernal, T.
    2011, Astronomy and Astrophysics, Volume 514, id.A101, 8 pp.