Group head
Prof. Dr. Dr. Stephan Geier
Full professor
- 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
- Administration
Phone: +49 (331) 977-1054
E-Mail: andrea (at) astro.physik.uni-potsdam.de
Research staff
M.Sc. Matti Dorsch
Research fellow
- NLTE modelling of hot subdwarfs and white dwarfs
- Heavy metal abundances in hot subdwarfs
- High-resolution (F)UV and optical spectroscopy
Phone: +49 (331) 977-230151
E-Mail: mdorsch (at) astro.physik.uni-potsdam.de
Dr. Nicole Reindl
Open topic research fellow
- 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
- 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
B.Sc. Ayesha Arshad Arain
Master student
- Spectral energy distribution of hot subdwarf stars
Phone: -
E-Mail: ayesha.arshad.arain (at) uni-potsdam.de
M.Sc. Rick Culpan
PhD student
- Blue horizontal branch stars
Phone: -
E-Mail: rick (at) culpan.de
M.Sc. Harry Dawson
PhD student
- Spectroscopy of hot subdwarfs
- Volume-limited sample of sdO/Bs
Phone: +49-(0)331-9775913
E-Mail: harry.b.a.dawson (at) gmail.com
M.Sc. Max Pritzkuleit
PhD student
- Helium stars
Phone: +49-(0)331-977203143
E-Mail: maxpri (at) uni-potsdam.de
B.Sc. Kyle Davis
Master student
- Hot white dwarfs
- Spectroscopy
Phone: +49-(0)331-977203143
E-Mail: kyle.davis (at) uni-potsdam.de
B.Sc. Ramazan Islami
Master student
- Hot white dwarfs
- Spectroscopy
Phone: +49-(0)331-977203143
E-Mail: islami (at) uni-potsdam.de
B.Sc. Chinmay Mahajan
Master student
- Close hot subdwarfs binaries
Phone: -
E-Mail: mahajan (at) uni-potsdam.de
Ramon Jaeger
Bachelor student
- Eclipse timing of close hot subdwarfs binaries
Phone:
E-Mail: ramon.jaeger (at) uni-potsdam.de
Fabian Mattig
Hiwi
Room:
Phone:
E-Mail: mattig1 (at) uni-potsdam.de
M.Sc. Francisco Molina
PhD student
- Hot subdwarfs in wide composite binaries
Phone: -
E-Mail: -
Marie Scheffen
Bachelor student (Humboldt-Universität Berlin)
- Radial velocity variability of red giants and blue horizontal branch stars
Phone: -
E-Mail: Marie.Scheffen (at) physik.hu-berlin.de
B.Sc. Azlizan Soemitro
Hiwi
Room: -
Phone: -
E-Mail: soemitro (at) uni-potsdam.de
Eric Woege
Bachelor student (Lehramt)
- Characterisation of variable stars from TESS
Phone: -
E-Mail: -
Henry Willems
Bachelor student
- Progenitors of helium white dwarfs
Phone:
E-Mail: henry.willems (at) uni-potsdam.de
B.Sc. Samaneh Zahmatkeshfilabi
Master student
- Close hot subdwarfs binaries
Phone:
E-Mail: samaneh.zahmatkeshfilabi (at) uni-potsdam.de
Former Members
M.Sc. Semih Filiz
PhD student at the University of Tübingen
M.Sc. Olga Lebiga
M.Sc. Alexander Bastian
Dr. Joris Vos
Dr. Ingrid Domingos Pelisoli
Postdoc at the University of Warwick
B.Sc. Niklas Polei
Master student at the University of Potsdam
M.Sc. Tilaksingh Pawar
PhD student at the Nicolaus Copernicus Astronomical Center in Torun