Keck HIRES Observations of the QSO FIRST J104459.6+365605: Evidence for a Large‐Scale Outflow

Abstract

This paper presents an analysis of a Keck HIRES spectrum of the QSO FIRST J104459.6+365605, covering the rest wavelength range from 2260 to 2900 Å. The line of sight toward the QSO contains two clusters of outflowing clouds that give rise to broad blue-s