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Harold  Yorke's Picture
Address:
Jet Propulsion Laboratory
M/S 183-335
4800 Oak Grove Drive
Pasadena, CA 91109
Phone:
818.354.5515
Fax:
818.393.6546
Email:

Harold Yorke
Senior Research Scientist

Education
  • B.S., Physics, University of California, Los Angeles, summa cum laude (1970)
  • Diplom-Phys., (MS equivalent), Physics, Georg-August-Universität, Göttingen, Germany, sehr gut (1972)
  • Dr.rer.nat., Astrophysics, Georg-August-Universität, Göttingen, Germany, summa cum laude (1974)
  • Habilitation, Physics, Georg-August-Universität, Göttingen, Germany (1979)

Research Interests
  • Numerical radiation-hydrodynamics simulations of astrophysical plasmas, in particular as related to star formation and the influence of massive stars on their environment
  • Observations of young stars and star forming regions at millimeter, infrared, optical, ultraviolet, and X-ray wavelengths
  • Design studies for space-based and suborbital far infrared and submillimeter observatories

Projects

Herschel Icon Herschel
The Herschel Space Observatory is a space-based telescope that studies the Universe in the light of the far-infrared and submillimeter portions of the spectrum.


Professional Experience
  • Jet Propulsion Laboratory (1998-Present)
    • Senior Research Scientist (1998-Present)
    • Manager, Science Division (2006-2012)
    • Manager, Astrophysics and Space Sciences Section (2004-2006)
    • NASA Herschel Space Observatory Project Scientist (2001-2006)
    • Team Lead, Theoretical Astrophysics Team (2003-2004)
    • Element Lead, Astrophysics Element (2001-2003)
  • Universität Würzburg, Professor (C3), Astronomy and Astrophysics (1988-1998)
  • Universitäts-Sternwarte, Universität Göttingen (1973-1975 and 1978-1988)
    • Professor (tenured, apl. Prof.) (1983-1988)
    • Research Scientist (tenured, Akad. Oberrat) (1978-1983)
    • Universitäts-Sternwarte, Universität Göttingen, Research Associate (1973-1975)
  • MPI für Astrophysik, Munich, Germany, Research Scientist (non-tenured) (1975-1978)
  • California Institute of Technology, Research Assistant (1970-1971)

Selected Awards
  • NASA Exceptional Achievement Medal (2009)
  • NASA Group Achievement Award (2009)
  • NASA Achievement Award (2003)
  • Fulbright Fellowship (1972-1973)
  • Fulbright Scholarship (1971-1972)
  • National Science Foundation Fellow (1970-1971)

Selected Publications
  1. Hosokawa T, Omukai K, Yoshida N, Yorke HW, 2011, Protostellar Feedback Halts the Growth of the First Stars in the Universe, Science 334, 1250
  2. Tassis K, Yorke HW, 2011, A New Recipe for Obtaining Central Volume Densities of Prestellar Cores from Size Measurements, ApJ, 735L, 32
  3. Mikellides IG, Tassis K, Yorke HW, 2011, 2-D Magnetohydrodynamic Simulations of Induced Plasma Dynamics in the Near-Core Region of a Galaxy Cluster, MNRAS, 410, 2602
  4. Tassis K, Christie DA, Urban A, Pineda JL, Mouschovias TC, Yorke HW, Martel H, 2010, Do Lognormal Column-Density Distributions in Molecular Clouds Imply Supersonic Turbulence? MNRAS, 408, 1089
  5. Hosokawa T, Yorke HW, Omukai K, 2010, Evolution of Massive Protostars via Disk Accretion, ApJ, 721, 478
  6. Ceccarelli C, et al., 2010, Herschel spectral surveys of star-forming regions. Overview of the 555-636 GHz range, A&A, , 521L, 22
  7. Langer WD, Velusamy T, Pineda JL, Goldsmith PF, Li D, Yorke HW, 2010, C+ detection of warm dark gas in diffuse clouds, A&A, , 521L, 17
  8. Bergin EA, et al., 2010, Herschel observations of EXtra-Ordinary Sources: the present and future of spectral surveys with Herschel/HIFI, A&A, , 521L, 20
  9. Lefloch B, et al., 2010, The CHESS spectral survey of star forming regions: Peering into the protostellar shock L1157-B1. II. Shock dynamics, A&A, 518L, 113
  10. Codella C, et al., 2010, The CHESS spectral survey of star forming regions: Peering into the protostellar shock L1157-B1. I. Shock chemical complexity, A&A, , 518L, 112
  11. Ossenkopf V, et al., 2010, Detection of interstellar oxidaniumyl: Abundant H2O+ towards the star-forming regions DR21, Sgr B2, and NGC6334, A&A, 518L, 111
  12. Phillips TG, et al., 2010, Herschel observations of EXtra-Ordinary Sources (HEXOS): Detection of hydrogen fluoride in absorption towards Orion KL, A&A, 518L, 109
  13. Molinari S, et al, 2010, Clouds, filaments, and protostars: The Herschel Hi-GAL Milky Way, A&A, 518L, 100
  14. Yorke HW, Bodenheimer P, 2008, Theoretical Developments in Understanding Massive Star Formation, invited review, ASPC, 387, 189
  15. Zinnecker H, Yorke HW, 2007, On the Formation of Massive Stars, ARAA, 45, 481
  16. Turner NJ, Quataert E, Yorke HW, 2007, Photon Bubbles in the Circumstellar Envelopes of Young Massive Stars, ApJ, 662, 1052
  17. Bodenheimer P, Laughlin G, Rózycka M, Yorke HW, 2007, Numerical Methods in Astrophysics - An Introduction, New York: Taylor & Francis, 329 pages, index, CD-ROM
  18. Turner N, Willacy K, Bryden G, Yorke HW, 2006, Turbulent Mixing in the Outer Solar Nebula, ApJ, 639, 1218
  19. Freyer T, Hensler G, Yorke HW, 2006, Massive stars and the energy balance of the ISM. II. The 35 M Star and a Solution to the "Missing Wind Problem', ApJ, 638, 262
  20. Burkert A, Lin DNC, Bodenheimer PH, Jones CA, Yorke HW, 2005, On the Surface Heating of Synchronously Spinning Short-Period Jovian Planets, ApJ, 618, 512
  21. Lester DF, Yorke HW, Mather JC, 2004, Does the lunar surface still offer value as a site for astronomical observatories? Space Policy 20, 99
  22. Freyer T, Hensler G, Yorke HW, 2003, Massive stars and the energy balance of the ISM. I. The impact of an isolated 60 M star, ApJ, 594, 888
  23. Des Marais DJ, et al., 2003, The NASA Astrobiology Roadmap, Astrobiology, 3, 219
  24. Yorke HW, Sonnhalter C, 2002, On the Formation of Massive Stars, ApJ, 569, 846
  25. Suttner G, Yorke HW, 2001, Early Dust Evolution in Protostellar Accretion Disks", ApJ, 551, 461
  26. Richling S, Yorke HW, 2000, Photoevaporation of protostellar disks V. Circumstellar disk under the influence of both EUV and FUV radiation, ApJ, 539, 258
  27. Hollenbach D, Yorke HW, Johnstone D, 2000, Disk Dispersal around Young Stars, in Protostars and Planets IV, eds. Mannings, Boss, Russell, Tucson: U. Ariz. Press, 401
  28. Yorke HW, Bodenheimer P, 1999, The Formation of Protostellar Disks III. The Influence of Gravitationally Induced Angular Momentum Transport on Disk Structure and Appearance, ApJ, 525, 330

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