Pavel Kroupa : Research and Group

Pavel Kroupa: The Stellar Populations and Dynamics Research Group
(The SPODYR Group)

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Contents

The 1414 and 1616 Group Seminar

(the "16:16 seminar" on Tuesdays and the "14:14 seminar" on Fridays on various aspects of SPODYR Group activities and astro-ph papers):

schedule
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Overview:

Planetary, stellar and galactic dynamics.

Stellar populations.

Nature of dark matter / MOND.

Evolution of galaxies.


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Specific:

Cosmology

The nature of dwarf galaxies as cosmological test objects.

Gravitation in the ultra-weak-field limit / MOND

The formation and evolution of satellite galaxies .

Gas consumption and star formation in galaxies.

Starbursts in interacting galaxies.

The physics of dense stellar systems; star-cluster formation and evolution.

The spatial distribution of massive stars.

The stellar initial mass function (IMF).

Dynamical population synthesis / Inverse dynamical population synthesis.

The formation of brown dwarfs and planets



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The SPODYR group: (for previous members klick here)

Mr. Ahmed Hassan Abdullah, MSc: Disk galaxy spin and the dynamics of dwarf galaxies (DAAD scholar).

Dr. Sambaran Banerjee: Dynamics of dense stellar systems (Nbody; AvH Fellow 2009-2010).

Dipl.-Phys. Michael Brockamp: Black hole dynamics (computational).

Dipl.-Phys. Claudia Bruens: Computational galactic dynamics: the evolution of star-cluster complexes.

Dipl.-Phys. Joerg Dabringhausen: Ultra-compact dwarf galaxies as transition objects between star clusters and galaxies (theory).

Dr. Iskren Georgiev: Star cluster populations (observations; affiliated member / now at ESA).

Mr. Behnam Javanmardi, MSc: Modern cosmological theory (IMPRS).

Cand.-Phys. Lucia Klarmann: The orbital evolution of Milky Way satellite galaxies (theory).

Cand.-Phys. Daniel Kroell: IGIMF Theory.

Prof. Dr. Pavel Kroupa: Stellar populations and dynamics, the dark matter problem, cosmology.

Cand.-Phys. Matthias Kruckow: The origin of super-canonical stars in young dense star clusters (Nbody computations).

Dr. Andreas Kuepper: The evolution of star clusters and of their tidal tails (Nbody).

Dipl.-Phys. Fabian Lueghauen: Numerical star-cluster dynamics (diplom); now PhD: dark matter halo shapes of dwarf galaxies and MOND (theory)

Dr. Gisela Maintz: RR Lyrae stars and the Milky Way potential (collaborator of Prof. Klaas S. de Boer)

Ms. Seungkyung Oh, MSc: The evolution of massive-star cores and mass-segregated clusters (Nbody; past IMPRS student).

Cand.-Phys. Yasna Ordenes: Polar ring galaxies (observational, in co-supervision with Dr. Iskren Georgiev)

Dipl.-Phys. Marcel Pawlowski: The formation of tidal-dwarf galaxies and the origin of the satellites of the Milky Way galaxy, implications thereof for cosmology (theory).

Cand.-Phys. Miklos Peuten: The Xray flux from dark and other star clusters (theory).

Dr. Jan Pflamm-Altenburg: Theoretical and computational stellar dynamics: the dissolution of massive star-cluster cores, the distribution of massive stars.

Dipl.-Phys. Michael Sokaliwska: Space-time metric and the Kepler problem, applications of MOND (co-supervision with Prof. H.-J. Fahr)

Cand.-Phys. Christine Schulz: Constraining the assembly of galaxy clusters via the distribution of UCDs (theory)

Dr. Ingo Thies: Theoretical planet formation, stellar dynamics.

Dr. Xufen Wu: Theoretical galactic dynamics, applications of modified gravitational theories (Alexander von Humboldt Fellow)

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Above: The Group (16th November, 2012). From right to left:

Joerg Dabringhausen, Daniel Kroell, Jan Pflamm-Altenburg, Lucia Klarmann, Claudia Bruens, Xufen Wu, Ingo Thies, Michael Brockamp, Matthais Kruckow, Sambaran Banerjee, Marcel Pawlowski, Miklos Peuten, Fabian Lueghausen, Yasna Ordenes, Iskren Georgiev, Christine Schulz, Andreas Kuepper, Ahmed Hassan Abdullah, Seungkyung Oh, Behnam Javanmardi, Pavel Kroupa, Ladislav Subr (visitor from Prague)

Absent: Michael Sokaliwska



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Above: The Group (8th November, 2011). From left to right:

Marcel Pawlowski, Andreas Kuepper, Michael Brockamp, Seungkyung Oh, Jan Pflamm-Altenburg, Ingo Thies, Christine Schulz, Pavel Kroupa, Joerg Dabringhausen, Sambaran Banerjee, Ulrike Hamacher (secretary), Alexandiu Tudorica, Rosa Amelia Gonzalez Lopeslira, Michael Sokaliwska, Iskren Georgiev, Michael Marks, Claudia Bruens, Klaas de Boer (emeritus), Lucia Klaarmann, Fabian Lueghausen, Xufen Wu, Benoit Famaey

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Above: The Group (11th October, 2010). From right to left (the spotless Sun was rather bright at 4pm):

Fabian Lueghausen, Christine Schulz, Iskren Georgiev, Seungkyung Oh, Michael Marks, Joerg Dabringhausen, Michael Sokaliwska, Ingo Thies, Sambaran Banerjee, Ylva Schuberth (associated), Benoit Famaey, Genevieve Parmentier, Jan Pflamm-Altenburg, Michael Brockamp, Claudia Bruens, Andreas Kuepper, Ole Markkgraf, Pavel Kroupa

Absent: Thomas Maschberger, Marcel Pawlowski



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Above: The Group (6th November, 2009). From left to right:

Pavel Kroupa, Ingo Thies, Claudia Bruens, Garry Angus (short-term visitor), Andreas Kuepper, Marcel Pawlowski, Benoit Famey, Lucia Klarmann, Holger Baumgardt, Iskren Georgiev, Seungkyung Oh, Soroush Nasoudi-Shoar, Michael Brockamp, Paulina Assmann (2-month visitor), Michael Sokaliwska, Yu Xin, Jan Pflamm-Altenburg, Joerg Dabringhausen, Genevieve Parmentier, Michael Marks, Ylva Schuberth (associated), Christine Schulz, Sambaran Banerjee

Absent: Thomas Maschberger, Gisela Mainz

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Above: The Group (23rd October, 2008). From left to right:

Iskren Georgiev, Yu Xin, Marcel Pawlowski, Ulf Loeckmann, Michael Guenther (top), Seungkyung Oh (below), Thomas Maschberger (mostly at IoA, Cambridge, nowadays), Genevieve Parmentier, Manuel Metz, Pavel Kroupa, Ylva Schuberth, Sarah Aretz, Michael Sokaliwska, Ingo Thies, Claudia Bruens, Michael Marks, Andreas Kuepper, Thibaut Decressin, Holger Baumgardt, Jan Pflamm-Altenburg, Sambaran Banerjee

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Above: The Group (24th October, 2007). From left to right:

Pavel, Jaroslav Haas, Genevieve Parmentier (AvH Fellow), Joerg Dabringhausen, Ladislav Subr (AvH Fellow), Claudia Bruens, Seungkyung Oh, Thomas Maschberger, Holger Baumgardt (Heisenberg Fellow), Jan Pflamm-Altenburg, Manuel Metz, Ulf Loeckmann, Andreas Kuepper, Michael Marks, Ingo Misgeld (PhD student of Michael Hilker), Ingo Thies

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Above: The Group (27th October, 2006). From left to right:

Pavel, Ladislav Subr (AvH Fellow), Manuel Metz, Caudia Bruens, Ulf Loeckmann, Joerg Dabringhausen, Ingo Thies, Ylva Schuberth (student of Michael Hilker), Andreas Kuepper, Thomas Maschberger, Jan Pflamm-Altenburg, Holger Baumgardt, Jaroslava Schovancova (Erasmus student from Charles University, Prague)

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Above: The Group (16th September, 2005). From left to right:

Ingo Thies, Claudia Bruens, Thomas Maschberger, Mike Fellhauer, Ylva Schuberth (student of Michael Hilker), Carsten Weidner, Jan Pflamm-Altenburg, Holger Baumgardt, Manuel Metz, Pavel

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No Photo: The Group (October, 2004):

Holger Baumgardt, Claudia Bruens, Pavel Kroupa, Mamuel Metz, Jan Pflamm-Altenburg, Ingo Thies, Carsten Weidner
(Ingo Thies, Jan Pflamm-Altenburg and Carsten Weidner came with me to Bonn from Kiel University early 2004).

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Past Habilitations:

(A Habilitation is a third thesis which must contain substantial research contributions beyond the PhD. With a habilitation formal permission is obtained to teach and to supervise PhD students at a university and the title "Privat Dozent" (PD) may thereafter be carried.)

Dr. Holger Baumgardt, Habilitation 2007 (July), University of Bonn, "Intermediate-mass black holes in star clusters"




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Past PhD students:

Michael Marks, PhD 2012 (March), University of Bonn, "Dynamical fingerprints of star cluster formation"

Andreas Kuepper, PhD 2011 (Oct.), University of Bonn, "The dynamical evolution of massive star clusters"

Thomas Maschberger, PhD 2011 (Feb.), University of Bonn, "Star formation in galaxies and star clusters" (co-supervision by Prof. Cathie Clarke, IoA, Cambridge, UK).

Ingo Thies, PhD 2011 (Feb.), Univesity of Bonn, "The origin and nature of brown dwarfs and massive planets"

Jan Pflamm-Altenburg, PhD 2010, Univesity of Bonn, "New aspects of star-cluster physics"

Ulf Loeckmann, PhD March 2009, University of Bonn, "Stellar dynamics in the vicinity of supermassive black holes"

Manuel Metz, PhD 2008, Univesity of Bonn, "Satellite galaxies in the Local Group: CDM subhalos or tidal dwarf galaxies?"

Carsten Weidner, PhD January 2006, University of Bonn, "The initial mass function of stars"

Jorge Penarrubia, PhD March 2003, University of Heidelberg "Satellite dynamics in spiral galaxies with dark matter haloes" (Co-supervision with Andreas Just in Heidelberg)

Mike Fellhauer, PhD February 2001, University of Heidelberg, "Could merged massive stellar clusters build up a dwarf galaxy?" (Co-supervision with Rainer Spurzem in Heidelberg)


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Ex-members:

Dipl.-Phys. Sarah Aretz: Proper motion measurements using scanners (co-supervision with PI Dr. Michael Geffert); teaching at a local high school since January 2009

PD Dr. Holger Baumgardt: Hochschulassistent (2004-2008) and Heisenberg Fellow (2008-2010): Computational stellar dynamics: formation of massive black holes in dense stellar systems, gravitational waves (since 2010 at the University of Queensland, Brisbane, Australia, as an ARC Future Fellow).

Dr. Thibaut Decressin: Evolution of rotating massive stars; ambundance anomalies in globular clusters (theory).

Dr. Antonino Del Popolo: Cosmology, density structure of dark-matter halos (June-August 2008; since then permanent staff at the University of Bergamo, Italy).

Dr. Benoit Famey: Theoretical galactic dynamics; alternative gravity (Alexander von Humboldt Fellow, now at Strasbourg)

Dipl.-Phys. Michael Guenther: Proper motion measurements using scanners (co-supervision with PI Dr. Michael Geffert); teaching at a local high school since January 2009

Dr. Michael Fellhauer (Mike): Ex-PhD student. Computational galactic dynamics: the formation and evolution of dwarf galaxies (since 1.10.2005 at the IoA, Cambridge; since June in Concepcion, Chile, as professor).

Prof. Dr. Rosa Amelia Gonzalez Lopeslira: Star formation laws in and dynamics of disk galaxies (observations, guest July 2011 - July 2012)

Dr. Vasilii Gvaramadze Runaway OB stars, bow shocks, physical conditions in very young star clusters (observational)

Dipl.-Phys. Jaroslav Haas: The stellar IMF and relaxation processes in the central stellar disk around the MW super-massive black hole (theory). Co-supervision with Dr. Ladislav Subr (June 2007-June 2008; in Prague since then).

Dipl.-Phys. Hosein Haghi: Long-term guest from Tehran, Iran, Jan.2008 - June 2008. Alternative theories of gravity. The Pal14 project.

Dr. Michael Marks: The early formation history of the Milky Way and the stellar mass function in globular clusters (PhD in March 2012).

pre-Cand.-Phys. Manuel Hahn: Milky Way satellite galaxies (past Bachelor-Arbeits student).

Dipl.-Phys. Anton Ippendorf: Dynamical processes of satellite galaxies (diploma end of 2010).

Dr. Ulf Loeckmann: Numerical dynamics within the vicinity of a super-massive black hole (co-supervision with PI Holger Baumgardt; PhD in the Summer of 2009).

Dr. Thomas Maschberger: Young star clusters and the star-formation histories of galaxies; PhD Feb. 2011

Dr. Manuel Metz: Theoretical research on the cosmological sub-structure problem (received PhD in August 2008; since Feb. 2009 at DLR in Bonn).

Dr. Genevieve Parmentier: AvH Fellow (until end of 2010): The mass function of star-cluster systems (theory, now at MPIfR).

Dipl.-Phys. Jaroslava Schovancova: Erasmus student from Charles University, Prague (2007): Galactic-centre dynamics (theory, under supervision from Dr. Ladislav Subr).

Dr. Ladislav Subr: Alexander-von-Humboldt Fellow (Jan.2007-Jan.2008; in Prague since then): Runaway-merging in very-young embedded star cluster; the dynamics of stellar systems near massive black holes (theory).

Msc Alexandriu Tudorica: Reconstructing star formation histories of galaxies from optical-NIR observations of their star clusters: the dSph galaxy "IKN" (worked with Dr. Iskren Georgiev, observations, master of science Nov. 2012)

Dr. Carsten Weidner: Theoretical research on the stellar initial mass function, galactic populations (PhD late Fall of 2005; since 1.02.2006 at the Pontificia Universidad Catolica de Chile, Santiago, since 1.04.2008 in St. Andrews, Scotland).

Dr. Yu Xin: Alexander von Humboldt Fellow (2008-2009): Stellar population synthesis (since 2009 at NAO in Beijin).




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