Contact

Dr. C.W. Ormel
B-20 Hearst Field Annex
Astronomy Department
Berkeley, CA 94720-3411
ormel AT astro DOT berkeley DOT edu




Research Interests
Planet formation:
Analytical and numerical modelling of the collisional evolution
(from dust particles to boulders, planetesimals to planets)
Particle-gas dynamics:
Turbulence: particle relative motions; particle transport and accretion
Interstellar medium:
Dust coagulation in dense clouds; opacities



Employments
2014—Present Research group leader `Origins of super-Earths'
University of Amsterdam (UvA), Amsterdam, The Netherlands
2011—2014 Hubble Fellow
University of California, Berkeley CA USA
2008—2011 Alexander von Humboldt Fellow
Max-Planck-Institute for Astronomy, Heidelberg Germany
2004—2008 PhD student
University of Groningen, Netherlands
1999—2004 Undergraduate (Astronomy)
University of Groningen, Netherlands



Meetings, conferences, and talks
June 2014 ISSI meeting on Planetary Population Synthesis: Interpreting Present and Future Space Data
Bern Switserland
June 2014 Observatoire de la Cote d'Azur, Nice France
April 2014 Jet Propulsion Laboratories, Pasadena CA USA
July 2013 Dust growth in star and planet forming environments
Heidelberg, Germany
July 2013 Protostars and Planets VI
Heidelberg, Germany
June 2013 IAU symposium 299: Exploring the formation and evolution of planetary systems
Victoria, British Columbia, Canada
March 2013 Earth-life sciences institute (ELSI), Tokyo
Tokyo Institute of Technology, Tokyo, Japan
March 2013 Hubble symposium, Space Telescope and Science Institute, Baltimore
Space Telescope Science Institue, Baltimore MA USA
January 2013 SWRI and JILA, Boulder CO
December 2012 ISSI meeting on Planetary Population Synthesis: Interpreting Present and Future Space Data
Bern Switserland
October 2012 San Francisco State University
September 2012 Planet Formation and Evolution 2012
Ludwig-Maximilians-Universität München Germany
March 2012 From atoms to pebbles: Herschel's view of star and planet formation
CNES, Grenoble France
March 2012 Hubble symposium, Space Telescope and Science Institute, Baltimore
Space Telescope Science Institue, Baltimore MA USA
January 2012 Jet Propulsion Laboratories, Pasadena CA USA
December 2011 First Kepler Science Conference
NASA Ames Research Park, Moffett Field CA USA
July 2011 Jena Germany
June 2011 Ringberg Workshop on Geophysical and Astrophysical Fluid flow: Baroclinic Instability and Protoplanetary Accretion Disks
Ringberg Castle Germany
April 2011 Tübingen Germany
February 2011 Planet Formation and Evolution 2011
University of Göttingen, Germany
November 2010 Ringberg Castle Workshop on Planetary Population Synthesis: The Predictive Power of Planet Formation Theory
Ringberg Castle, Germany
September 2010 German-Japanese workshop on dust in protoplanetary systems
Jena Germany
June 2010 Evolving theory of planet formation
Ishigaki island Okinawa Japan
March 2009 Planet Formation and Evolution 2009
Eberhard Karls Universität Tübingen Germany
December 2009 Winter workshop on planetary astrophysics
Kavli insitute for Astronomy and Astrophysics, Beijing, China
September 2009 Planetesimal formation workshop
Isaac Newton Institute for Mathematical Sciences, Cambridge UK
January 2007 NASA Ames Research Center
Moffett Field CA USA
October 2005 Protostars and Planets V
Hilton Waikoloa Village, Kona Hawaii
June 2005 Vatican Observatory Summer School in Astronomy and Astrophysics
CastelGandolfo Italy



List of publications
C.W. Ormel
An Atmospheric Structure Equation for Grain Growth
The Astrophysical Journal Letters, Vol. 789...L18 (2014)

A. Bonsor; S.N. Raymond; J.-C. Augereau; C.W. Ormel
Planetesimal-driven migration as an explanation for observations of high levels of warm, exozodiacal dust
Monthly Notices of the Royal Astronomical Society, Vol. 441...2380 (2014)

J. Steinacker; C.W. Ormel; M. Andersen; A. Bacmann
Coreshine in L1506C - Evidence for a primitive big-grain component or indication for a turbulent core history?
Astronomy and Astrophysics, Vol. 564...A96 (2014)

C.W. Ormel; S. Okuzumi
The fate of planetesimals in turbulent disks with dead zones. II. The viability of runaway growth
The Astrophysical Journal, Vol. 771...44 (2013)

S. Okuzumi; C.W. Ormel
The fate of planetesimals in turbulent disks with dead zones. I. The turbulent stirring recipe
The Astrophysical Journal, Vol. 771...43 (2013)

C.W. Ormel
The flow pattern past gravitating bodies
Monthly Notices of the Royal Astronomical Society, Vol. 428...3526 (2013)

F. Windmark; T. Birnstiel; C.W. Ormel; C.P. Dullemond
Breaking through: The effects of a velocity distribution on barriers to dust growth
Astronomy and Astrophysics, Vol. 544...L16 (2012)

C.W. Ormel; S. Ida; H. Tanaka
Migration rates due to scattering of planetesimals
The Astrophysical Journal, Vol 758... 80 (2012)

H. Kobayashi; C.W. Ormel; S. Ida
Rapid Formation of Saturn after Jupiter Completion
The Astrophysical Journal, Vol. 756...70 (2012)

C.W. Ormel; H. Kobayashi
Understanding how planets become massive? I. Description and validation of a new toy model
The Astrophysical Journal, Vol. 747...115 (2012)

A. Zsom; C.W. Ormel; C.P. Dullemond; T. Henning
The outcome of protoplanetary dust growth: pebbles, boulders, or planetesimals? III. Sedimentation driven coagulation inside the snow-line
Astronomy and Astrophysics, Volume 534, A73 (2011)

C.W. Ormel; M. Min; X. Tielens; C. Dominik; D. Paszun
Dust coagulation and fragmentation in molecular clouds. II. The opacity of the dust aggregate size distribution
Astronomy & Astrophysics, Volume 532, A43 (2011)

V. Ossenkopf; C.W. Ormel; R. Simon; K. Sun; J. Stutzki
Spectroscopic [C I] mapping of the infrared dark cloud G48.65-0.29
Astronomy and Astrophysics, Volume 525, A9 (2011)

T. Birnstiel; C.W. Ormel; C.P. Dullemond
Dust size distributions in coagulation/fragmentation equilibrium: numerical solutions and analytical fits
Astronomy and Astrophysics, Volume 525, A11 (2011)

C.W. Ormel; C.P. Dullemond; M. Spaans
Accretion among preplanetary bodies: the many faces of runaway growth
Icarus, Volume 210, Issue 1, p. 507-538 (2010)

C.W. Ormel; H.H. Klahr
The effect of gas drag on the growth of protoplanets—-Analytical expressions for the accretion of small bodies in laminar disks
Astronomy and Astrophysics, Volume 520, A43 (2010)

T. Birnstiel; L. Ricci; F. Trotta; C. P. Dullemond; A. Natta; L. Testi; C. Dominik; T. Henning; C.W. Ormel; A. Zsom
Testing the theory of grain growth and fragmentation by millimeter observations of protoplanetary disks
Astronomy and Astrophysics, Volume 516, L14 (2010)

C.W. Ormel; C.P. Dullemond; M. Spaans
A New Condition for the Transition from Runaway to Oligarchic Growth
The Astrophysical Journal Letters, 714, 103 (2010)

A. Zsom; C.W. Ormel; C. Güttler; J. Blum; C.P. Dullemond
The outcome of protoplanetary dust growth: pebbles, boulders, or planetesimals? II. Introducing the bouncing barrier
Astronomy and Astrophysics, Volume 513, A57 (2010)

C. Güttler; J. Blum; A. Zsom; C.W. Ormel; C.P. Dullemond
The outcome of protoplanetary dust growth: pebbles, boulders, or planetesimals?. I. Mapping the zoo of laboratory collision experiments
Astronomy and Astrophysics, Volume 513, A56 (2010)

C.W. Ormel; D. Paszun; C. Dominik; A.G.G.M. Tielens
Coagulation and fragmentation in molecular clouds: I. How collisions between dust aggregates alters the dust size distribution
Astronomy and Astrophysics, Volume 502...845 (2009)

C.W. Ormel; J.N. Cuzzi; A.G.G.M. Tielens
Co-Accretion of Chondrules and Dust in the Solar Nebula
The Astrophysical Journal, Volume 679...1588 (2008)

C.W. Ormel; M. Spaans
Monte Carlo Simulation of Particle Interactions at High Dynamic Range: Advancing beyond the Googol
The Astrophysical Journal, Volume 684...1291 (2008)

C.W. Ormel; J.N. Cuzzi
Closed-form expressions for particle relative velocities induced by turbulence
Astronomy and Astrophysics, Volume 466...413 (2007)

C.W. Ormel; M. Spaans; A.G.G.M. Tielens
Dust coagulation in protoplanetary disks: porosity matters
Astronomy and Astrophysics, Volume 461...215 (2007)

C.W. Ormel; R.F. Shipman; V. Ossenkopf; F.P. Helmich
The modelling of infrared dark cloud cores
Astronomy and Astrophysics, Volume 439...613 (2005)