PhD Thesis Projects

The topics of the PhD thesis projects which were researched within the Leibniz Graduate School for Quantitative Spectroscopy in Astrophysics are summarized on this page.

Project: »The Ionizing Radiation Field in the Vicinity of Quasars Constrained by High-Resolution Absorption Spectroscopy«

Anne Fox (PhD student), Prof. Dr. Philipp Richter (UP, advisor), PD Dr. Volker Müller (AIP, co-advisor)

Project: »Gas Flows around High-Redshift Galaxies«

Dr. rer. nat. Josephine Kerutt

PhD thesis 2020: "The High-Redshift Voyage of Lyman alpha and Lyman Continuum Emission as told by MUSE"

Josephine Kerutt (PhD student), Prof. Dr. Lutz Wisotzki (AIP, advisor), Prof. Dr. Philipp Richter (UP, co-advisor)

Project: »Unresolved Stellar Populations with MUSE«

Dr. rer. nat. Martin Mitzkus

PhD thesis 2017: "Surface Brightness Fluctuations: Probing Bright Evolved Stars in Unresolved Stellar Populations"

Prof. Dr. Martin M. Roth (AIP, advisor), Prof. Dr. Wolf-Rainer Hamann (UP, co-advisor)

Project: »Early Enrichment History of the Milky Way Unveiled by the Bulge«

Dr. rer. nat. Friedrich Anders

PhD thesis 2017: "Disentangling the chemodynamical history of the Milky Way disc with asteroseismology and spectroscopy"

Prof. Dr. Matthias Steinmetz (AIP, advisor), Dr. Cristina Chiappini (AIP, co-advisor)

Project: »Massive Stars in Binary Systems«

Dr. rer. nat. Tomer Shenar

PhD thesis 2017: "Comprehensive analyses of massive binaries and implications on stellar evolution"

Prof. Dr. Wolf-Rainer Hamann (UP, advisor), Dr. Swetlana Hubrig (AIP, co-advisor)

Project: »Doppler Imaging of Stellar Surfaces«

Gohar Harutyunyan (PhD student), Prof. Dr. Klaus G. Strassmeier (AIP, advisor), Dr. Michael Weber (AIP, co-advisor)

Project: »PEPSI Deep Spectrum Project«

Alessandro Mott (PhD student), Dr. Matthias Steffen (AIP, advisor), Prof. Dr. Klaus G. Strassmeier (AIP, co-advisor)

Project: »Imaging Spectropolarimetry of Quiet Sun Magnetic Fields«

Dr. rer. nat. Sergio J. González Manrique

PhD thesis: "High-Resolution Observations of Emerging Flux Regions" (pdf)

apl. Prof. Dr. Carsten Denker (AIP, advisor), Dr. Thorsten Carroll (AIP, co-advisor)

Project: »Spectra and feedback from young stellar clusters« (DAAD)

Varsha Ramachandran (PhD student), Prof. Dr. Wolf-Rainer Hamann (UP, advisor), Dr. Adriane Liermann (AIP, co-advisor)

Project: »The Faintest Active Galactic Nuclei – Constraining Black Hole Growth Across Cosmic Time« (DAAD)

Sanja Jonic (PhD student), Prof. Dr. Lutz Wisotzki (AIP, advisor), Prof. Dr. Philipp Richter (UP, co-advisor)

Project: »All-Sky Survey of Metal Absorption in the Circumgalactic Medium of the Milky Way« (DAAD)

Sietske Bouma (PhD student), Prof. Dr. Philipp Richter (UP, advisor) and Prof. Dr. Lutz Wisotzki (AIP, co-advisor)

Project: »Sun-as-a-Star Spectroscopy with PEPSI« (DAAD)

Ekaterina Dineva (PhD student), apl. Prof. Dr. Carsten Denker (AIP, advisor) and Prof. Dr. Klaus G. Strassmeier (AIP, co-advisor)