Homepage of Ralf Kotulla
Curriculum vitae

Curriculum vitae Ralf Christian Kotulla

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Academic Record:

June 2001
Abitur - German Grammar School degree
04/2002 - 09/2003
Study of physics at Technische Universität Darmstadt
10/2003 - 06/2007
Study of physics at Georg-August-Universität Göttingen
financial support: excellence grant from Konrad-Adenauer-Stiftung (10/03 - 11/05)
09/2004 - 02/2005
Semester abroad at Rijksuniversiteit Groningen, Netherlands
Nov. 2006
Graduation with Diploma in Physics: grade "very good"
Thesis: Optical spectroscopy and multiwavelength analysis of X-ray selected Active Galactic Nuclei
07/2007 - 09/2010
PhD Research studentship from University of Hertfordshire
01/2010 - 05/2010
Research Internship at University of Wisconsin - Madison
Collaboration with Prof. Dr. Jay Gallagher on interacting galaxies
Sept. 2010
PhD in Astrophysics
Thesis: Galaxy Evolution and the redshift desert
Advisors: Prof. Uta Fritze & Prof. Elias Brinks
Examiners: Prof. Max Pettini (IoA, Cambridge) and Prof. Martin Hardcastle (U. Herts)
09/2010 - present
Postdoctoral researcher at Center for Gravitation and Cosmology, University of Wisconsin-Milwaukee

Teaching Experience

10/2003 - 09/2004, 03/2005 - 09/2006
Teaching Assistent "Physikalisches Praktikum für Nebenfächler" (Physics lab courses for minor subject students), Institute for Nuclear and Atomic Physics, University Göttingen
04/2006 - 08/2006
Teaching Assistent, "Einführung in die Geo- und Astrophysik",
Institute for Geophysics, University Göttingen
09/2005 - 07/2007
Teaching Assistent "Fortgeschrittenenpraktikum Astrophysik" (Advanced astrophysics lab-courses for 3rd-year students), Institute for Astrophysics, University Göttingen
09/2005 - 07/2007
> 200 hours of observation with the IAG 50cm-telescope
Supervision of observations at the 0.5m telescope and of practical courses at the Institute for Astrophysics, University Göttingen
02/2007 - 06/2007
Supervision of two "Projektpraktikum" (2nd pratical, lasting ~2 weeks full-time) groups:
  • "Spektroskopie von aktiven Galaxienkernen'' (Spectroscopy of active galactic nuclei)
  • "Bestimmung der Lichtgeschwindigkeit mittels variabler Sterne" (Determination of the speed of light using variable stars).
Institute for Astrophysics, University Göttingen
09/2005 - 07-2007
Creation and supervision of two praticals for third-year students:
  • "Strukturanalyse von Galaxien" (Structure analysis of galaxies)
  • "Photometrie von Sternhaufen" (Photometry of star clusters)
teaching the students the principles of astrophysical observations, data reduction and analysis (for more information see the institute's website), Institute for Astrophysics, University Göttingen
04/2007 - 07/2007
Revision and extension of three astrophysics beginner practicals:
  • "Photometrie eines Sternhaufen" (Photometry of star clusters)
  • "Morphologie von Galaxien" (Morphology of galaxies)
  • "Spektren Aktiver Galaxien" (Spectra of active galaxies)
Institute for Astrophysics, University Göttingen
08/2008 - 12/2009
Student demonstrator for astrophysics experiments at the university observatory in Bayfordbury

Meetings, Summer Schools, Workshops etc.

Annual meeting of the Nobel laureates in Lindau, 2005
37th Saas-Fee Winter School 2007, March 04-09
The Origin of the Galaxy and the Local Group
12 Questions on Star and Massive Star Cluster Formation (ESO-Workshop, Garching), 2007, July 03-06
Young Massive Star Clusters, 2007, Sept. 11-14 (Granada, Spain)
  • Using Globular Clusters to derive the Formation History of the Virgo Lenticular NGC 4570 (Poster)
Cosmic Matter (Annual AG Meeting), 2007, Sept. 24-28 (Würzburg, Germany)
  • Using Globular Clusters to derive the Formation History of the Virgo Lenticular NGC 4570 (Poster)
  • The Luminosity-Metallicity Relation for star-forming dwarf galaxies (Poster)
National Astronomy Meeting (NAM), 2008, April 01-04 (Belfast)
  • Young Globular Clusters in an old S0: Clues to the Formation history of NGC4570 (Talk)
From Taurus to Antennae, 2008, August (Sheffield, UK)
  • Globular clusters revealing the formation history on NGC 4570 (Talk)
Joint European and National Astronomy Meeting (JENAM), 2008, September (Vienna, Austria)
  • GALEV goes High-Redshift" (Talk)
  • Revealing the formation history on NGC 4570 via the age distribution of its globular clusters" (Talk)
  • 4 (of which 2 first-author) posters
Photometric Accuracy Testing (PHAT) Meeting 2008, September (UCL, London, UK)
  • The metallicity bias in photometric redshifts (Talk)
Photometric Accuracy Testing (PHAT) Meeting 2008, December (JPL, Pasadena, CA)
  • The metallicity bias in photometric redshifts (Talk)
European Weak of Astronomy and Space Science 2009, April (Hatfield, UK)
  • Photometric redshifts from chemically consistent templates (Poster)
  • GALEV evolutionary synthesis models: The ideal tool to model high-redshift galaxies (Poster)
  • Modelling galaxy transformation scenarios at z~0.4 with GALEV (Poster)
  • Arp 78 and the Universality of the Stellar Initial Mass Functions (Poster)
VIIth Marseille International Cosmology Conference:
Harvesting the desert: The Universe between redshift 1 and 3,
2009, June (Marseille, France)
  • A unified approach to modelling galaxies not only in the redshift desert (Poster)
IAU XXVII General Assembly 2009 2009, August (Rio de Janeiro, Brazil)
  • GALEV evolutionary synthesis models (Poster)
  • Modelling the chemical evolution of galaxies with GALEV (Poster)
  • GALEV evolutionary synthesis models meet the high-redshift universe (Poster)
215th AAS Winter Meeting 2010, January (Washington, DC, USA)
  • Galaxy evolution in the redshift desert (Dissertation-talk)
217th AAS Winter Meeting 2010, January(Seattle, WA, USA)
  • Insights into galaxy evolution from photometric redshifts across many fields (Talk)
IAU Symposium 284: The Spectral Energy Distributions of Galaxies 2011, September (Preston, GB)
  • GALEV and photometric redshifts: Galaxy evolution across cosmic times (Poster)
Surveys and Simulations: The Real and the Virtual Universe 2011, September (Heidelberg, Germany)
  • GALEV evolutionary synthesis models: Current status and future plans (Poster)
  • Galaxy clusters transforming dwarfs: Insights from stellar mass maps (Poster)

Memberships

Professional Services

Observing experience - Optical Imaging

4 weeks SAAOCCD @ 1.0m SAAO, South Africa (3 runs)
Stellar populations and dust distribution in disk-galaxies
Cunow, Meyer, Kotulla, Papaderos, Gallagher
BVRI imaging of spiral galaxies in various environments
3 nights  OPTIC @ WIYN 3.5m, Kitt Peak, USA
Tracing Star Formation in the very outskirts of galaxies
Gallagher, Fritze, Kotulla
Deep VRI+Ha imaging of spiral galaxies
6 nights  S2KB @ WIYN 0.9m, Kitt Peak, USA
Photometry of stars (most of the time lost to bad weather)

Observing experience - Near Infrared Imaging

2 nights SOFI @ NTT, ESO, La Silla
Disentangling ages and metallicities of Globular Clusters using K-band data
Fritze, Kotulla, Anders, de Grijs, Papaderos
Deep K-band imaging of NGC4570 - see publications for results
4 nights WFCAM @ UKIRT, Mauna Kea, Hawaii
Disentangling ages and metallicities of red-peak Globular Clusters using K-band data
Kotulla, Fritze, Anders, deGrijs
Deep K-band imaging of several galaxies, Service Mode observations for other observers
3 weeks SIRIUS @ IRSF, SAAO, South Africa (3 runs)
Stellar populations and dust distribution in disk-galaxies
Cunow, Meyer, Kotulla, Papaderos, Gallagher
JHK imaging of spiral galaxies in various environments
5 nights WHIRC @ WIYN 3.5m, Kitt Peak, USA
H-band observations of nearby galaxies to determine stellar mass distributions

Observing experience - Optical & Integral field spectroscopy

2 nights INTEGRAL @ WHT, La Palma
Integral Field spectroscopy of blue compact dwarf galaxies
Caon, Cairos, Papaderos, Meyer
2 nights SparsePak @ WIYN 3.5m, Kitt Peak, USA
Integral Field Spectroscopy of Interacting Galaxies
with the aim to study the kinematics and spatial distribution of star formation
Gallagher, Kotulla, et al.

Astronomical / Other Knowledge

Programming
  • C, C++, Fortran, PHP, Python, (Basic, Perl)
  • MIDAS and IRAF Scripting, PyRAF
  • Basics in MPI Parallel Computing
Astronomical Software
  • ESO-MIDAS, IRAF, StarLink, DAOPHOT
  • Development of an efficient Data Reduction Pipeline (Mr. Miller) for optical AND near-infrared data from various intruments and telescopes
Imaging and spectroscopy:
  • Own observations (Optical and Near-Infrared, see above)
  • ESO-, HST- and  ING-Archives
  • Sloan Digital Sky Survey (SDSS)
Other
  • LaTeX, HTML, SQL, PHP, Perl, etc.
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