1. Constraining the Properties of the Multiphase Absorption System at z = 0.93 towards PG1206+459 Open Access Author: Rosenwasser, Benjamin Edward Title: Constraining the Properties of the Multiphase Absorption System at z = 0.93 towards PG1206+459 Area of Honors: Astronomy and Astrophysics Keywords: galaxy evolutioncircumgalactic mediumquasar absorption line spectroscopy File: Download thesis_OVI.pdf Thesis Supervisors: Jane Camilla Charlton, Thesis SupervisorJane Camilla Charlton, Honors AdvisorSteinn Sigurdsson, Faculty Reader