3 papers
astro-ph.GA2026
Constraining the nature of active galactic nuclei through circumgalactic Lya emission at z=2-3
Shiwu Zhang, Zheng Cai, Fabrizio Arrigoni Battaia +8
We present a comprehensive analysis of circumgalactic Lya nebulae around 59 unobscured and 26 obscured quasars at z=2-3, observed with the Keck Cosmic Web Imager (KCWI), to constra…
astro-ph.GA2025
Cosmic Himalayas: The Highest Quasar Density Peak Identified in a 10,000 deg Sky with Spatial Discrepancies between Galaxies, Quasars, and IGM HI
Yongming Liang, Masami Ouchi, Dongsheng Sun +27
We report the identification of a quasar overdensity in the BOSSJ0210 field, dubbed Cosmic Himalayas, consisting of 11 quasars at , the densest overdensity of quasars…
astro-ph.GA2025
MAMMOTH-Subaru IV. Large Scale Structure and Clustering Analysis of Ly Emitters and Ly Blobs at
Haibin Zhang, Zheng Cai, Mingyu Li +10
We report the large scale structure and clustering analysis of Ly emitters (LAEs) and Ly blobs (LABs) at . Using 3,341 LAEs, 117 LABs, and 58 bright (Ly lumi…