["The Bonn-Cologne Graduate School of Physics and Astronomy (BCGS) is a joint programme of graduate studies between the Universities of Bonn and Cologne. It was funded through the Excellence Initiative from 2007 to 2019.The PhD programme involves three years of research-oriented thesis work, leading to a doctoral degree in Astrophysics/Astronomy. Scientific interests are centred on activities in optical, radio, and X-ray astronomy, stellar evolution and dynamics, gravitational lensing, cosmology, and pulsar studies."]