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. Ingrid Domingos Pelisoli

Research fellow
Ingrid Domingos Pelisoli

  • End stages of binary stellar evolution: extremely-low mass white dwarfs and subdwarfs
  • Compact binary stars in TESS
  • White dwarfs in the solar neighbourhood
  • Quality control for the 4MOST survey

Teaching


Room: 2.117
Phone: +49-(0)331-9775918
E-Mail: pelisoli (at) astro.physik.uni-potsdam.de

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

Dr. Joris Vos

Humboldt fellow
Joris Vos

  • Theoretical modelling of binary stars
  • Long period hot subdwarf binaries
  • Red giant star survey
Room: 2.117
Phone: +49-(0)331-9775918
E-Mail: jorisvos (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. 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

Teaching


Room: 2.118
Phone: +49-(0)331-9775899
E-Mail: mdorsch (at) astro.physik.uni-potsdam.de

M.Sc. Francisco Molina

PhD student
PhD student

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

B.Sc. Alexander Bastian

Master student
Alexander Bastian

  • Kinematics of hot subdwarfs
  • Galpy
Room: 2.117
Phone: +49-(0)331-9775918
E-Mail: albastia (at) astro.physik.uni-potsdam.de

B.Sc. Harry Dawson

Master 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

B.Sc. Semih Filiz

HiWi
Harry Dawson

Room: 2.116
Phone: +49-(0)331-977203143
E-Mail: sfiliz (at) uni-potsdam.de

B.Sc. Olga Lebiga

Master student
Olga Lebiga

  • MESA modelling
Room: 2.117
Phone: +49-(0)331-9775918
E-Mail: olualebiga (at) gmail.com

B.Sc. Tilaksingh Pawar

Master student
Tilaksingh Pawar

  • Asteroseismology of sdOB type stars
  • Time resolved photometry of hot subdwarf stars in binaries
Room: 2.118
Phone: +49-(0)331-9775899
E-Mail: pawar (at) astro.physik.uni-potsdam.de

B.Sc. Niklas Polei

HiWi
Harry Dawson

Room: 2.116
Phone: +49-(0)331-977203143
E-Mail: npolei (at) uni-potsdam.de