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) 977-230151
E-Mail: sgeier (at) astro.physik.uni-potsdam.de



Administration

Andrea Brockhaus

Secretary
Andrea Brockhaus
  • Administration
Room: 2.002
Phone: +49 (331) 977-1054
E-Mail: andrea (at) astro.physik.uni-potsdam.de



Research staff

M.Sc. 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) 977-230151
E-Mail: mdorsch (at) astro.physik.uni-potsdam.de



Postgraduate Students

B.Sc. Ayesha Arshad Arain

Master student
  • Spectral energy distribution of hot subdwarf stars
Room: External
Phone: -
E-Mail: ayesha.arshad.arain (at) uni-potsdam.de



M.Sc. Aakash Bhat

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



Lysann Bode

Bachelor student
  • Hypervelocity stars in Gaia
Room: 2.117
Phone: +49-(0)331-977203143
E-Mail: lysann.bode (at) uni-potsdam.de



B.Sc. Laura Cediel Ramos

Master student
  • Magnetic hot subdwarf stars
Room: 2.118
Phone: +49 (331) 977-230151
E-Mail: laura.cediel.ramos (at) uni-potsdam.de



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)331-9775913
E-Mail: harry.b.a.dawson (at) gmail.com



M.Sc. Max Pritzkuleit

PhD student
PhD student

  • Helium stars
Room: 2.117
Phone: +49-(0)331-977203143
E-Mail: maxpri (at) uni-potsdam.de



B.Sc. Hemish Delvadiya

Master student
  • Spectroscopy of bright hot stars
Room: 2.117
Phone: +49-(0)331-977203143
E-Mail: delvadiya (at) uni-potsdam.de



B.Sc. Toni Klotz

Master student
  • Automatized spectroscopic classification of hot stars
Room: 2.118
Phone: +49-(0)331-977-230151
E-Mail: toni.klotz (at) uni-potsdam.de



B.Sc. Fabian Mattig

Hiwi
Fabin Woege

Room:
Phone:
E-Mail: mattig1 (at) uni-potsdam.de



Sarah Meusel

Bachelor student
  • A-type stars
Room: 2.117
Phone: +49-(0)331-977203143
E-Mail: sarah.meusel (at) uni-potsdam.de



M.Sc. Francisco Molina

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



Fabian Voigt

Bachelor student
  • Wide hot subdwarfs binaries
Room: 2.118
Phone: +49-(0)331-977-230151
E-Mail: fabian.voigt (at) uni-potsdam.de



B.Sc. Fatima Waqar

Master student
  • Photometrically variable hot subdwarfs
Room: 2.118
Phone: +49 (331) 977-230151
E-Mail: fatima.waqar (at) uni-potsdam.de



Former Members

M.Sc. Alexander Bastian


M.Sc. Kyle Davis


M.Sc. Semih Filiz

PhD student at the University of Tübingen

M.Sc. Ramazan Islami


B.Sc. Ramon Jaeger


M.Sc. Olga Lebiga


M.Sc. Chinmay Mahajan


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. Marie Scheffen


B.Sc. Oliver Steppohn


M.Sc. Azlizan Adhyaqsa Soemitro

PhD student at AIP Potsdam

Dr. Joris Vos

Research scientist at Astronomical Institute of the Czech Academy of Sciences

B.Sc. Henry Willems


B.Ed. Eric Woege


M.Sc. Samaneh Zahmatkeshfilabi