Group head

Prof. Dr. Dr. Stephan Geier
Full professor
Stephan Geier

  • Surveys for hot subdwarfs
  • Hypervelocity stars
  • Formation and evolution of hot subdwarfs
  • Close binary systems

Teaching


Room: 2.001
Phone: +49 (331) 977230151
E-Mail: sgeier (at) astro.physik.uni-potsdam.de



Administration

Andrea Brockhaus

Secretary
Andrea Brockhaus
  • Administration
Room: 2.002
Phone: +49 (331) 9771054
E-Mail: andrea (at) astro.physik.uni-potsdam.de



Research staff

Dr. Aakash Bhat

Research fellow
  • Runaway stars
Room: 2.116
Phone: +49-(0)331-977203143
E-Mail: aakashbhat7 (at) gmail.com



M.Sc. Rick Culpan

PhD student
PhD student

  • Blue horizontal branch stars
Room: External
Phone: -
E-Mail: rick (at) culpan.de



M.Sc. Harry Dawson

PhD student
Harry Dawson

  • Spectroscopy of hot subdwarfs
  • Volume-limited sample of sdO/Bs
  • BlackGEM
Room: 2.117
Phone: +49-(0)331-9775918
E-Mail: harry.b.a.dawson (at) gmail.com



B.Sc. Hemish Delvadiya

Master student
  • Spectroscopy of bright hot stars
Room: 2.117
Phone: +49-(0)331-9775918
E-Mail: delvadiya (at) uni-potsdam.de



Dr. Matti Dorsch

Research fellow
Matti Dorsch

  • NLTE modelling of hot subdwarfs and white dwarfs
  • Heavy metal abundances in hot subdwarfs
  • High-resolution (F)UV and optical spectroscopy
  • 4MOST
Room: 2.118
Phone: +49 (331) 9775899
E-Mail: mdorsch (at) astro.physik.uni-potsdam.de



B.Sc. Doruk Gogus

Master student
  • Spectroscopic anaylsis of hot subluminous stars
Room: 2.116
Phone: +49-(0)331-977203143
E-Mail: doruk.gogus (at) uni-potsdam.de



B.Sc. Zoë Zin-Zu Kaffarnik

Master student
  • UV spectroscopy of hot subdwarfs
Room: 2.116
Phone: +49-(0)331-977203143
E-Mail: zoe.zin-zu.kaffarnik (at) uni-potsdam.de



B.Sc. Shreyas Kathuria

Master student
  • Analysis of white dwarf binaries
Room: 2.116
Phone: +49-(0)331-977203143
E-Mail: shreyas.kathuria (at) uni-potsdam.de



M.Sc. Fabian Mattig

PhD student
Fabin Woege

  • Hot subdwarfs in close binary systems
Room: 2.110
Phone:
E-Mail: mattig1 (at) uni-potsdam.de



M.Sc. Francisco Molina

PhD student
  • Hot subdwarfs in wide composite binaries
Room: External
Phone: -
E-Mail: -



Dr. James Munday

Research fellow
  • White dwarfs in binary systems
  • White dwarfs as supernova Ia progenitors and GW sources
Room: 2.110
Phone:
E-Mail: jmunday (at) uni-potsdam.de



B. Sc. Thomas Oeser

Master student
  • Spectroscopic analyses of eHe-sdOs
Room: 2.118
Phone: +49-(0)331-9775899
E-Mail: thomas.oeser (at) uni-potsdam.de



B. Sc. Konstantin Oppermann

Master student
  • Hot subdwarfs in wide binary and triple systems
Room: 2.116
Phone: +49-(0)331-977203143
E-Mail: konstantin.oppermann (at) uni-potsdam.de



M.Sc. Max Pritzkuleit

PhD student
PhD student

  • Helium stars
Room: 2.117
Phone: +49-(0)331-9775918
E-Mail: maxpri (at) uni-potsdam.de



Former Members

M.Sc. Ayesha Arshad Arain


M.Sc. Alexander Bastian


B.Sc. Lysann Bode


B.Sc. Laura Cediel-Ramos


M.Sc. Kyle Davis


M.Sc. Semih Filiz

PhD student at the University of Tübingen

B.Sc. Finn Götze


M.Sc. Ramazan Islami


B.Sc. Ramon Jaeger


M.Sc. Toni Klotz


M.Sc. Marie Kurpas


M.Sc. Olga Lebiga


M.Sc. Chinmay Mahajan


B.Sc. Sarah Meusel


M.Sc. Tilaksingh Pawar

PhD student at the Nicolaus Copernicus Astronomical Center in Torun

Dr. Ingrid Domingos Pelisoli

University Research Fellow and staff scientist at the University of Warwick

B.Sc. Niklas Polei


Dr. Nicole Reindl

Heisenberg Fellow and staff scientist at Landessternwarte Heidelberg

Dr. Veronika Schaffenroth

Staff scientist at Thüringer Landessternwarte Tautenburg

B.Sc. Jeremias Siehr


B.Sc. Oliver Steppohn


M.Sc. Azlizan Adhyaqsa Soemitro

PhD student at AIP Potsdam

B.Sc. Fabian Voigt


Dr. Joris Vos

Research scientist at Astronomical Institute of the Czech Academy of Sciences

M.Sc. Fatima Waqar


B.Sc. Henry Willems


B.Ed. Eric Woege


M.Sc. Samaneh Zahmatkeshfilabi