Probing the intergalactic medium during the Epoch of Reionization using 21 cm signal power spectra

R Ghara, AK Shaw, S Zaroubi, B Ciardi… - Astronomy & …, 2024 - aanda.org
Context. The redshifted 21 cm signal from the Epoch of Reionization (EoR) directly probes
the ionization and thermal states of the intergalactic medium during that period. In particular …

The First Billion Years in Seconds: An Effective Model for the 21-cm Signal with Population III Stars

HAG Cruz, JB Munoz, N Sabti… - arxiv preprint arxiv …, 2024 - arxiv.org
Observations of the 21-cm signal are opening a window to the cosmic-dawn epoch, when
the first stars formed. These observations are usually interpreted with semi-numerical or …

The morphology of the redshifted 21-cm signal from the Cosmic Dawn

R Ghara, S Bag, S Zaroubi… - Monthly Notices of the …, 2024 - academic.oup.com
The spatial fluctuations in the tomographic maps of the redshifted 21-cm signal from the
Cosmic Dawn (CD) crucially depend on the size and distribution of the regions with gas …