3 papers
astro-ph.CO2026
Probing the Cosmic Web with Fast Radio Bursts. I. Scattering
Sharon Lapiner, Nir Mandelker, Paz Beniamini +1
We study the formation of multiphase gas in the post-accretion-shock regions of cosmic sheets, filaments, and the circumgalactic medium (CGM) of haloes, i.e., cosmic web objects (C…
astro-ph.GA2025
From Feedback-Free Star Clusters to Little Red Dots via Compaction
Avishai Dekel, Dhruba Dutta Chowdhury, Sharon Lapiner +6
We address the origin of the Little Red Dots (LRDs) seen by JWST at cosmic morning () as compact stellar systems with over-massive black holes (BHs). We propose…
astro-ph.GA2025
From FFB Starbursts at Cosmic Dawn to Quenching at Cosmic Morning: Hi-z Galaxy Bimodality
Avishai Dekel, Nir Mandelker, Zhaozhou Li +5
We propose a mass-dependent bimodality in the early evolution of galaxies. The massive track connects the super-bright galaxies at cosmic dawn () to the super-massive quiesc…