3 papers
astro-ph.CO2025
Capturing Small-Scale Reionization Physics: A Sub-Grid Model for Photon Sinks with SCRIPT
Tirthankar Roy Choudhury, Anirban Chakraborty
The epoch of reionization represents a major phase transition in cosmic history, during which the first luminous sources ionized the intergalactic medium (IGM). However, the small-…
astro-ph.GA2025
Probing Reionization-Era Galaxies with JWST UV Luminosity Functions and Large-Scale Clustering
Anirban Chakraborty, Tirthankar Roy Choudhury
JWST has transformed our understanding of early galaxy formation, providing an unprecedented view of the first billion years of cosmic history. In this work, we build upon our prev…
astro-ph.CO2025
Reionization and its sources
Anirban Chakraborty, Tirthankar Roy Choudhury
Reionization represents an important phase in the history of our Universe when ultraviolet radiation from the first luminous sources, primarily stars and accreting black holes, ion…