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

Dr. Nicole Reindl

Open topic research fellow
Nicole Reindl

  • Hot white dwarfs
  • White dwarfs showing ultra-high excitation absorption lines
  • Central stars of planetary nebulae
  • NLTE modelling
  • Close binaries
  • Hydrogen deficient stars

Teaching


Room: 2.116
Phone: +49-(0)331-977203143
E-Mail: nreindl885 (at) gmail.com



Dr. Veronika Schaffenroth

Research fellow
Veronika Schaffenroth

  • Hot subdwarfs
  • Influence of substellar companions on late stellar evolution
  • EREBOS project
  • Light curve modelling

Teaching


Room: 2.118
Phone: +49 (331) 977-230151
E-Mail: schaffenroth (at) astro.physik.uni-potsdam.de



Postgraduate Students

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
Room: 2.108
Phone: +49-(0)331-9775913
E-Mail: harry.b.a.dawson (at) gmail.com



M.Sc. Matti Dorsch

PhD student
Matti Dorsch

  • NLTE modelling of hot subdwarfs and white dwarfs
  • Heavy metal abundances in hot subdwarfs
  • High-resolution (F)UV and optical spectroscopy
Room: Sternwarte Bamberg
Phone: -
E-Mail: mdorsch (at) astro.physik.uni-potsdam.de



B.Sc. Semih Filiz

Master student
Harry Dawson

  • White dwarfs showing ultra-high excitation absorption lines
  • Time resolved photometry
Room: 2.117
Phone: +49-(0)331-977203143
E-Mail: sfiliz (at) uni-potsdam.de



B.Sc. Ramazan Islami

Master student
Ramazan Islami

  • Hot white dwarfs
  • Spectroscopy
Room: 2.117
Phone: +49-(0)331-977203143
E-Mail: islami (at) uni-potsdam.de



B.Sc. Chinmay Mahajan

Master student
Chinmay Mahajan

  • Close hot subdwarfs binaries
Room: -
Phone: -
E-Mail: mahajan (at) uni-potsdam.de



Fabian Mattig

Hiwi
Fabin Woege

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



M.Sc. Francisco Molina

PhD student
PhD student

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



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. Azlizan Soemitro

Hiwi
Olga Lebiga

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



Eric Woege

Bachelor student (Lehramt)
Alexander Bastian


  • Characterisation of variable stars from TESS
Room: -
Phone: -
E-Mail: -



Former Members

M.Sc. Olga Lebiga

Olga Lebiga



M.Sc. Alexander Bastian

Alexander Bastian



Dr. Joris Vos

Joris Vos



Dr. Ingrid Domingos Pelisoli

Ingrid Domingos Pelisoli

Postdoc at the University of Warwick


B.Sc. Niklas Polei

Harry Dawson

Master student at the University of Potsdam


M.Sc. Tilaksingh Pawar

Tilaksingh Pawar

PhD student at the Nicolaus Copernicus Astronomical Center in Torun