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Theses written at the observatory

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2017

The density in the accretion disk of the active galactic nucleus Arakelian 120: A Markov chain Monte Carlo analysis of relativistic reflections
Philipp Weber, 2017 November (bachelor’s thesis)

Smoothing of pulse periods caused by scattering of photons in cones of ultra luminous X-ray sources
Alexander Reichel, 2017 October (bachelor’s thesis)

MUSE spectroscopy of horizontal branch stars in the globular clusters ω Cen and NGC 6752
Steven Hämmerich, 2017 October (bachelor’s thesis)

Simulations of tidal disruption events for eROSITA
Melanie Lang, 2017 September (bachelor’s thesis)

Numerical Simulation of Transition-Edge Sensors
Maximilian Lorenz, 2017 September (master’s thesis)

Röntgenanalyse des Supernova-Überrests MCSNR J0527-7134
Erika Hahn, 2017 September (bachelor’s thesis)

Broadband Emission Processes of Active Galactic Nuclei
Andrea Gokus, 2017 September (master’s thesis)

Junge stellare Objekte in der W51C-Region
Jennifer Geyer, 2017 September (bachelor’s thesis)

The chemical composition of the He-enriched sdO-star HD 127493
Matti Dorsch, 2017 August (bachelor’s thesis)

Heating of the interstellar medium in the Small Magellanic Cloud by massive stars
Caroline Collischon, 2017 July (bachelor’s thesis)

Multiwavelength observations of Active Galactic Nuclei from the radio to the hard X-rays
Tobias Beuchert, 2017 June (dissertation)

Detector Simulations for the ATHENA X-ray Observatory
Thorsten Brand, 2017 May (dissertation)

Monte Carlo Simulation of Cyclotron Lines in Strong Magnetic Fields – Theory and Application
Fritz-Walter Schwarm, 2017 May (dissertation)

Quantitative Spektralanalyse von heißen Doppelsternen
Laura Federle, 2017 March (teacher’s thesis)

Die unterleuchtkräftigen O-Sterne HZ 44 und BD +75°325: Eine Radialgeschwindigkeitsstudie
Monika Schork, 2017 March (teacher’s thesis)

Benchmarking transition energies and emission strengths for X-ray astrophysics with measurements at the Livermore EBITs
Natalie Hell, 2017 March (dissertation)

Simulations for eROSITA: First impressions on the imaging properties
Margarita Behm, 2017 March (bachelor’s thesis)

Spectroscopic Analysis of the He3 Anomaly in B-Type Stars
David Schneider, 2017 February (master’s thesis)

Transient source detection and performance studies of eROSITA
Tobias Hain, 2017 February (master’s thesis)

2016

Observations of Be X-ray Binaries: Spin Period and Spectral Evolution
Matthias Bissinger né Kühnel, 2016 October (dissertation)

Long term behaviour of the solar panels of INTEGRAL
Julian Heinz, 2016 September (bachelor’s thesis)

Spectral energy distribution of hot subdwarfs
Johannes Schaffenroth, 2016 September (master’s thesis)

Lamppost Source Height Measurements In unobscured Active Galactic Nuclei
Marko Fink, 2016 September (master’s thesis)

Modeling Pixel-Level Electrical Crosstalk for the AthenaX-IFU
Christian Kirsch, 2016 September (bachelor’s thesis)

PTF1 J011339.09+225739.1 – Spektroskopische und photometrische Analyse eines neuentdeckten HW Vir-Systems
Maximilian Wolz, 2016 July (teacher’s thesis)

Extreme Environments: From supermassive black holes to supernovae
Felicia Krauss, 2016 June (dissertation)

Spectral decomposition of hot subdwarf binaries
Simon Kreuzer, 2016 April (master’s thesis)

Transient-Searches for eROSITA: Performance-Studies
Andreas Berberich, 2016 March (bachelor’s thesis)

2015

Swift and NuSTAR observations of XTE J1859+083
Jakob Stierhof, 2015 November (bachelor’s thesis)

Empirical and physical modelling of the accretion-powered X-ray pulsars KS 1947+300 and A 0535+262
Ralf Ballhausen, 2015 November (master’s thesis)

Astronomy in the late 19th century
Katharina Bick, 2015 October (bachelor’s thesis)

Analysis of low-mass and high-mass systems after the common-envelope phase
Veronika Katharina Schaffenroth, 2015 July (dissertation)

Multi-Epoch Millimeter VLBI Observations of the Twin-Jet System in NGC 1052
Anne-Kathrin Baczko, 2015 April (master’s thesis)

Hot subdwarfs – Small stars marking important events in stellar evolution
Stephan Geier, 2015 March (habilitation)

Lichtkurvenmodellierung des Mikrolinseneffekts in Doppelsternen mit kompakten Begleitern
Marc Schuster, 2015 March (bachelor’s thesis)

Quantitative Spektralanalyse von heißen Sternen im Sternhaufen NGC 3293
Jessica Wunder, 2015 March (teacher’s thesis)

Spektroskopische Suche nach Begleitern unterleuchtkräftiger heißer Sterne. Die sdO-Sterne BD+28°4211 und WD 1148-230
Leandra Fröhling, 2015 March (bachelor’s thesis)

Bayesian &#947-ray Light Curve Analysis of TANAMI Sources
Christoph Bürkel, 2015 January (master’s thesis)

2014

Effective temperatures and surface gravities of OB-stars derived from synthetic photometry
Simon Grosse-Holz, 2014 November (project)

PTF and EHT – Research on hot Subdwarf B stars
Markus Schindewolf, 2014 November (master’s thesis)

Relativistic Reflection around Black Holes: Theory and Observation
Thomas Dauser, 2014 October (dissertation)

New Developments and Techniques in Radio to X-ray Observataions of AGN
Christoph Grossberger, 2014 (dissertation)

Light curve cross correlations of gamma- and radio data of PKS 0537-441
Andrea Gokus, 2014 September (bachelor’s thesis)

High-Resolution Observations of Active Galactic Nuclei in the Southern Hemisphere
Cornelia Müller, 2014 September (dissertation)

Hypervelocity Candidates of G and K type: Classification of the Palladino et al. sample revised
Marco Volkert, 2014 September (bachelor’s thesis)

Origin of runaway OB stars
Andreas Irrgang, 2014 August (dissertation)

GX339-4: Spectral investigation of a black hole binary
Nico Wunderling, 2014 August (bachelor’s thesis)

Heisse unterleuchtkräftige Sterne: Klassifikation und Verifikation
Jan Friedmann, 2014 August (bachelor’s thesis)

X-ray analysis of Centaurus A
Christina Gräfe, 2014 April (bachelor’s thesis)

Eine Radialgeschwindigkeitsstudie des Röntgen-Doppelsterns BD +37° 442
David Schneider, 2014 March (bachelor’s thesis)

Die Kinematik der stellaren 8pc-Sonnenumgebung und ihre Implikationen
Sebastian Eichie, 2014 March (bachelor’s thesis)

Unevenly Spaced Time Series Analysis: GRS 1758-258
Maria Hirsch née Obst, 2014 January (master’s thesis)

2013

A data analysis pipeline for the 26m Hartebeesthoek radio telescope
Thorsten Brand, 2013 December (master’s thesis)

Investigations of the long term variability of black hole binaries
Victoria Grinberg, 2013 November (dissertation)

Observations of the X-ray Pulsars XTE J1946+274, 4U 0115+634, and GX 304-1
Sebastian Müller, 2013 October (dissertation)

Impact of Extragalactic Sources on Galactic Stellar Trajectories
Marco Fink, 2013 October (bachelor’s thesis)

Scientific near real-time analysis software for eROSITA
Peter Friedrich, 2013 September (diploma thesis)

A search for HVS candidates via simulation of trajectories
Simon Kreuzer, 2013 September (bachelor’s thesis)

K alpha lines of the lower charge states of Argon
Andreas Wolf, 2013 September (bachelor’s thesis)

Reverberation Mapping of Flared Accreion Discs
Fabian Brod, 2013 September (diploma thesis)

Spectral and Timing analysis of the HMXB GX304-1 with Suzaku
Ralf Ballhausen, 2013 September (bachelor’s thesis)

A new HW Vir binary from the MUCHFUSS project; A quantitative analysis of optical spectra and lightcurves
Ingrid Barbu-Barna, 2013 August (bachelor’s thesis)

Simulation of Coded Mask Imaging
Mirjam Oertel, 2013 July (diploma thesis)

Light Bending around Neutron Stars
Sebastian Falkner, 2013 March (master’s thesis)

Multiwavelength Observations of TANAMI Sources
Felicia Krauss, 2013 March (master’s thesis)

Of Radio-Loud and Radio-Quiet AGN — Single Dish Radio Polarimetry and X-ray Variability Study of Polar Scattered Seyfert I Galaxies
Tobias Beuchert, 2013 March (master’s thesis)

2012

Analysis of SDSS J125949.16+363036.3, a potential Hypervelocity Star
Andreas Finkler, 2012 October (project)

Radiative transport in strongly magnetized accretion columns
Maximilian Kriebel, 2012 October (diploma thesis)

Program for the combinatoric assignment of LS- and jj-coupling term symbols
Alexander Laska, 2012 October (bachelor’s thesis)

Observations of Active Galactic Nuclei from Radio to Gamma-rays
Moritz Böck, 2012 October (dissertation)

Calibration and imaging of GMVA observations of NGC1052
Anne Baczko, 2012 September (bachelor’s thesis)

Kinematische und Spektroskopische Analyse von Runaway-B-Sternen
Christian Heuser, 2012 August (diploma thesis)

Spectral classification of blue supergiants in M31
David Turban, 2012 August (project)

X-ray Telescopes in the Digital Lab: Instrument Performance Simulations
Christian Schmid, 2012 July (dissertation)

Monte Carlo simulations of X-ray absorption in the interstellar medium
Wiebke Eikmann, 2012 May (diploma thesis)

Binäre sdB Sterne mit substellaren Begleitern
Patrick Brünner, 2012 April (diploma thesis)

Massearme Begleiter von Subdwarf B-Sternen: spektroskopische und photometrische Untersuchung von vier Doppelsternen
Katrin Nagel, 2012 March (teacher’s thesis)

A survey of hot stars in the CoRoT anticentre fields: Classification and analysis of light curves and spectra
Raoul Gerber, 2012 February (diploma thesis)

Laboratory Astrophysics: Investigating the mystery of low charge states of Si and S in the HMXB Cyg X-1
Natalie Hell, 2012 February (master’s thesis)

2011

Galactic Windmills – Spectroscopical and timing studies of three X-ray binaries
Felix Fürst, 2011 December (dissertation)

Observations of Compact Objects
Eugenia Litzinger, 2011 December (diploma thesis)

Wind Dynamics of Cygnus X-1
Andreas Glossner, 2011 October (project)

INTEGRAL Observations of the 2010 Cygnus X-1 Soft State
Alexander Popp, 2011 September (bachelor’s thesis)

Simulation of AGNs for eROSITA
Thorsten Brand, 2011 August (bachelor’s thesis)

RXTE Observations of GRS1758: Long-Term Variability of a Black Hole
Maria Obst, 2011 August (bachelor’s thesis)

Observing galaxy clusters with eROSITA: Simulations
Johannes Hölzl, 2011 July (diploma thesis)

Hypervelocity Sterne
Eva Ziegerer, 2011 May (diploma thesis)

Detector Performance of eROSITA
Michael Wille, 2011 April (diploma thesis)

Probing the Environment of Accreting Compact Objects
Manfred Hanke, 2011 April (dissertation)

Timing and spectral evolution of transient X-ray binaries
Matthias Kühnel, 2011 April (master’s thesis)

Suche nach substellaren Begleitern bei Hot Subdwarfs
Lew Classen, 2011 March (diploma thesis)

2010

Theoretical Modeling of Broad Emission Lines
Thomas Dauser, 2010 December (diploma thesis)

High resolution VLBI observations of Centaurus A
Cornelia Müller, 2010 November (diploma thesis)

Subdwarf B-Sterne in Binärsystemen: Drei neue HW Vir-Typen und die Durchmusterung des CoRoT Anticenter-Feldes
Veronika Schaffenroth, 2010 October (diploma thesis)

Extreme Helium Stars: model atmospheres and a NLTE abundance analysis of BD+10°2179
Thomas Kupfer, 2010 October (diploma thesis)

Quantitative Spectroscopy of Galactic BA-type Supergiants
Markus Firnstein, 2010 September (dissertation)

Akkretierende Neutronensterne: Zeitliche Entwicklung der Pulsperiode von 4U 1907+09
Bastian Falkner, 2010 September (bachelor’s thesis)

Swift Observations of TANAMI Sources
Martina W. Müller, 2010 September (bachelor’s thesis)

Cyclotron resonant scattering features in the line forming region of highly magnetized neutron stars
Fritz-Walter Schwarm, 2010 September (diploma thesis)

Swift Observations of TANAMI Counterparts
Felicia Krauss, 2010 August (bachelor’s thesis)

Absorption dips in Cygnus X-1
Eckhard Strobel, 2010 August (bachelor’s thesis)

The Evolution of the South Atlantic Anomaly Measured by RHESSI
Natalie Hell, 2010 August (bachelor’s thesis)

Quantitative Spectroscopy of BA-type Supergiants in the Small Magellanic Cloud
Florian Schiller, 2010 July (dissertation)

Radio Observations of PKS 2155-304 with the 100-m Effelsberg radio telescope
Tobias Beuchert, 2010 July (bachelor’s thesis)

Broadband Variability of the Black Hole Candidate Cygnus X-1
Victoria Grinberg, 2010 June (diploma thesis)

Hyper-velocity Stars – a spectroscopic and kinematic study of blue stars
Alfred Tillich, 2010 April (dissertation)

Absorption dips in Cygnus X-1
Eckhard Strobel, 2010 April (project)

Theoretical Modelling of Relativistic Iron Lines
Thomas Dauser, 2010 January (project)

2009

Spectroscopy of the Runaway B-Star HIP 60350
Andreas Irrgang, 2009 November (diploma thesis)

Die heißen unterleuchtkräftigen Doppelsternsysteme AA Doradus, HD 49798 und PG 1232-136
Sebastian Müller, 2009 November (diploma thesis)

Image Reconstruction Software for Near-Field Coded Mask Instruments
Daniel Michalik, 2009 September (diploma thesis)

Constraint-Based Reverse Engineering and its Applications in Astrophysics
Johannes Bauer, 2009 August (diploma thesis)

Hot subluminous stars: On the Search for Chemical Signatures of their Genesis
Heiko A. Hirsch, 2009 July (dissertation)

Hot Subdwarf Stars in Close-up View: Orbits, Rotation, Abundances and Masses of their Unseen Companions
Stephan Geier, 2009 March (dissertation)

Timing Analysis of the Accreting X-Ray Binary Cygnus X-1
Stefan Pirner, 2009 March (diploma thesis)

2008

Run-away Stars
Andreas Irrgang, 2008 November (project)

Heiße unterleuchtkräftige Sterne mit kühlem Begleiter
Viktoria Lohmann, 2008 November (diploma thesis)

Spectral-Temporal Correlations in the X-ray Emission of Cygnus X-1
Moritz Böck, 2008 October (diploma thesis)

RXTE Observations of MXB 0656-072
Thomas Dauser, 2008 October (project)

Harmonic Cyclotron Resonance Scattering Feature in the X-Ray Spectrum of 4U 0115+63
Julia Schmid, 2008 October (project)

Massive Stars as Tracers for Stellar & Galactochemical Evolution
Norbert Przybilla, 2008 September (habilitation)

Investigations of the SAA and the long-time behavior of Vela X-1
Felix Fürst, 2008 September (diploma thesis)

Simulation of the imaging and detection properties of the eROSITA experiment on Spectrum-X-Gamma
Christian Schmid, 2008 August (diploma thesis)

Zyklotronlininen – ein RXTE-Sample
Christian Grämer, 2008 April (teacher’s thesis)

X-ray spectra of the accreting neutron star 4U 1907+09
Stefanie Roth, 2008 April (teacher’s thesis)

2007

Rotationsgeschwindigkeiten Weißer Zwerge aus dem ESO SPY-Survey
Christian Schmitt, 2007 October (diploma thesis)

Photometric and spectroscopic analysis of extragalactic early-type eclipsing binaries
Stefan Nesslinger, 2007 August (dissertation)

High-resolution X-ray Spectroscopy of the Black Hole Cygnus X-1 with the Chandra X-ray Observatory
Manfred Hanke, 2007 July (diploma thesis)

Quantitative Spectroscopy of OB stars. Hydrogen, Helium and Carbon
Maria Fernanda Nieva, 2007 May (dissertation)

Optical Variability of Hercules X-1/HZ Herculis
Matthias Aicher, 2007 March (project)

Investigating the continuum spectrum of Cygnus X-1: a joint fit of Chandra and RXTE data
Clemens Bauer, 2007 March (project)

Variability of Cygnus X-1 – Spectral evolution 2005
Moritz Böck, 2007 March (project)

The magnetic field of 4U 0115+63
Melanie Pfeuffer, 2007 March (project)

Coded Masks – a simulation of an astronomical γ-ray detector
Christian Schmid, 2007 March (project)

2006

Kinematik Weißer Zwerge aus dem SPY-Projekt
Roland Richter, 2006 October (diploma thesis)

Hypervelocity Stars
Manfred Hanke, 2006 September (project)

Zeitaufgelöste Spektroskopie des multiperiodisch pulsierenden Sterns PG1605+072
Alfred Tillich, 2006 August (diploma thesis)

Quantitative Spektroskopie von Deneb
Florian Schiller, 2006 March (diploma thesis)

Heiße unterleuchtkräftige Sterne aus dem Sloan Digital Sky Survey
Heiko Hirsch, 2006 February (diploma thesis)

CNO-Elementmischung in BA-Typ-Überriesen
Markus Firnstein, 2006 January (diploma thesis)

2005

3D-Kinematik von unterleuchtkräftigen B-Sternen
Jasmin Löbl, 2005 October (teacher’s thesis)

KPD 1930+2752 als Supernova Ia Vorläuferkandidat
Stephan Geier, 2005 August (diploma thesis)

2004

White dwarf and hot subdwarf binaries as possible progenitors of type I a Supernovae
Christian Karl, 2004 July (dissertation)

2003

Spectroscopic analyses of subluminous B stars: observational constraints for the theory of stellar evolution, pulsation, and diffusion
Heinz Edelmann, 2003 July (dissertation)