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• Forschung
• Geo- und Kosmochemie
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• aktuelle Projekte
• Labor
• Publikationen
• Öffentlichkeitsarbeit

Frank Postberg

FRONTIER FOND of the University of Heidelberg: Project "STARDUST: Simulation of Interstellar Grains in the Laboratory" New publication in NATURE: Sodium salts in E-ring ice grains from an ocean below the surface of Enceladus (Nature - 25.6.2009, Vol. 459, p. 1098): full text, supplemental material Press: Spiegel online, Spektrum direkt, France24/AFP, ABC Australia, European Space Agency (ESA), China Daily, Bangkok Post online, Jakarta Globe online, Daily Mail online, NASA, Bild der Wissenschaft online, BBC News, N24, Die Welt online, Neue Zürcher Zeitung (NZZ) online, Reuters

Dr. Frank Postberg Dipl.-Phys.
Institut für Geowissenschaften Im Neuenheimer Feld 236 69120 Heidelberg Germany e-Mail Homepage		Max-Planck-Institut für Kernphysik Saupfercheckweg 1 69117 Heidelberg Germany Tel: +49-6221-516543 e-Mail

• Education and employment
  

  1992-1998	Study of "Chemical Engineering", University of Applied Science, Darmstadt, Degree: graduate engineer ("Diplom Ingenieur")
  1998-2004	Study of physics, Darmstadt University, Degree: Diplom Physicist
  2005-2007	PhD Physics, Heidelberg University (carried out at MPI für Kernphysik)
  1998-2006	Environmental chemist as freelancer (part time) at the "chemlab GmbH" for environmental analytics in Bensheim
  2006-2007	Research Assistent, MPI für Kernphysik Heidelberg - Cosmic Dust Research Group Field of research: Evaluation and interpretation of mass spectra of the Cosmic Dust Analyser aboard the Cassini spacecraft, Software developement
  2007-2008	Postdoc position, MPI für Kernphysik Heidelberg, Cosmic Dust Research Group
  since 2008	Postdoc position, Heidelberg University, Institute of Earth Sciences, Geo- and Cosmochemistry Department

  
  
• Fields of research
  • Evaluation and interpretation of mass spectra of the Cosmic Dust Analyser aboard the Cassini spacecraft
  • Experimental simulation of dust impacts on Aerogel in the framework of the STARDUST mission.
  • Laboratory calibration and development of dust detectors for space missions


• Important publications
  • Postberg, F., Schmidt J., Hillier, J.K., Kempf S., Srama, R. (2011) A salt-water reservoir as the source of a compositionally stratified plume on Enceladus Nature, Vol. 474; Issue 7353; p. 620-622, doi:10.1038/nature10175
  • Postberg, F., Grün E., Horanyi M., Kempf S., Krueger H., Schmidt J., Spahn F., Srama R.,Sternovsky Z., Trieloff M. (2011) Compositional Mapping of Planetary Moons by Mass Spectrometry of Dust Ejecta Planetary and Space Science, Vol. 59, pp. 1815-1825, doi:10.1016/j.pss.2011.05.001
  • Kempf, S., Srama, R., Postberg, F., Burton, M., Green, S.F., Helfert, S., Hillier, J.K., McBride, N., McDonnell, J.A.M., Moragas-Klostermeyer, G., Roy, M., and E. Grün (2005) Composition of Saturnian Stream Particles, Science, Vol. 307, p. 1274-1276.
  • Postberg, F., Kempf, S., Srama, R., Green, S.F., Hillier, J.K., McBride, N., and E. Grün (2006) Composition of Jovian Dust Stream Particles, Icarus, Vol. 183, p. 122-134.
  • Postberg, F., Hillier, J.K., Kempf, S., Srama, R., Green, S.F., McBride, N. and E. Grün (2008) The E-ring in the vicinity of Enceladus II: Probing the moon's interior - the composition of E-ring particles, Icarus, Vol. 193, p. 438-454.
  • G. H. Jones and 40 coauthors (2008) The Dust Halo of Saturn's Largest Icy Moon, Rhea, Science, Vol 319, p. 1380-1384.
  • Postberg, F., Kempf, S., Schmidt, J., Brillantov, N., Beinsen, A., Abel, B., Buck, U., Srama, R. (2009) Sodium Salts in E Ring Ice Grains from an Ocean below the Surface of Enceladus, Nature, Vol. 459., Issue 7250, p. 1098-1101.
  • Postberg F., Kempf S., Rost D., Stephan T., Srama R., Trieloff M., Mocker A., Goerlich M. (2009) Discriminating contamination from particle components in spectra of Cassini's dust detector CDA, Planetary and Space Science, 57, 1359-1374.