Publications - Astrophysics - Prof. Dr. Gerhard Wurm
T. Demirci, N. Schneider, T. Steinpilz, T. Bogdan, J. Teiser, and G.Wurm, Planetesimals in Rarefied Gas: Wind Erosion in Slip Flow, Monthly Notices of the Royal Astronomical Society, (accepted), 2020.
T. Bogdan, J. Kollmer, J. Teiser, M. Kruss, and G. Wurm, Laboratory Impact Splash Experiments to Simulate Asteroid Surfaces, Icarus, 341:113646 1-6, 2020.
T. Steinpilz, K. Joeris, F. Jungmann, L. Brendel, J. Teiser, D. Wolf, T. Shinbrot, and G. Wurm, Electrical Charging Overcomes the Bouncing Barriers in Planet Formation, Nature Physics, 16:225-229, 2020
T. Bila, G. Wurm, F. C. Onyeagusi, and J. Teiser, Lifting Grains by the Transient Low Pressure in Martian Dust Devils, Icarus, 339:113569 1-7, 2020.
M. Kruss, G. Musiolik, T. Demirci, G. Wurm, and J. Teiser, Wind Erosion on Mars and other Small Terrestrial Planets, Icarus, 337:113438 1-6, 2020.
N. Schneider and G. Wurm, Laboratory Experiments on the Motion of Dense Dust Clouds in Protoplanetary Disks, Astrophysical Journal Letters, 886:L36 1-5, 2019.
T. Steinpilz, G. Musiolik, M. Kruss, F. Jungmann, T. Demirci, M. Aderholz, J. E. Kollmer, J. Teiser, T. Bila, E. Guay, and G. Wurm, ARISE: A Granular Matter Experiment on the International Space Station, Review of Scientific Instruments, 90:104503 1-8, 2019.
T. Demirci, C. Krause, J. Teiser, and G. Wurm, Onset of Planet Formation in the Warm Inner Disk: Colliding Dust Aggregates at High Temperature, Astronomy and Astrophysics, 629:A66 1-6, 2019.
G. Wurm, L. Schmidt, T. Steinpilz, L. Boden, and J. Teiser, A Challenge for Martian Lightning: Limits of Collisional Charging at Low Pressure, Icarus, 331:103-109, 2019.
T. Steinpilz, J. Teiser, and G. Wurm, Sticking Properties of Silicates in Planetesimal Formation Revisited, Astrophysical Journal, 874:60 1-3, 2019.
G. Musiolik and G. Wurm, Contacts of Water Ice in Protoplanetary Disks - Laboratory Experiments, Astrophysical Journal, 873:58 1-6, 2019.
N. Schneider, G. Wurm, J. Teiser, H. Klahr, V. Carpenter, Streaming Instabilities in Laboratory Experiments, Astrophysical Journal, 872:3 1-12, 2019.
T. Demirci, M. Kruss, J. Teiser, T. Bogdan, F. Jungmann, N. Schneider, and G. Wurm, Are Pebble Pile Planetesimals Doomed?, Monthly Notices of the Royal Astronomical Society, 484:2779-2785, 2019.
A. Kraemer, J. Teiser, T. Steinpilz, M. Koester, and G. Wurm, Analog Experiments on Thermal Creep Gas Flow through Martian Soil, Planetary and Space Science, 166:131-134, 2019.
T. Bogdan, J. Teiser, N. Fischer, M. Kruss, and G. Wurm, Constrains on Compound Chondrule Formation from Laboratory High Temperature Collisions, Icarus, 319:133-139, 2019.
G. Wurm, Selective Aggregation Experiments on Planetesimal Formation and Mercury-like Planets, Geosciences, 8:310 1-20, 2018.
M. Kruss and G. Wurm, Seeding the Formation of Mercurys: An Iron Sensitive Bouncing Barrier in Disk Magnetic Fields, Astrophysical Journal, 869:45 1-6, 2018.
F. Jungmann, T. Steinpilz, J. Teiser, and G. Wurm, Sticking and Restitution in Collisions of Charged Sub-mm Dielectric Grains, Journal of Physics Communications, 2:095009 1-12, 2018.
G. Musiolik, M. Kruss, T. Demirci, B. Schrinski, J. Teiser, F. Daerden, M. D. Smith, L. Neary, and G. Wurm, Saltation under Martian Gravity and its Influence on the Global Dust Distribution,, 306,25-31, 2018.
M. Schywek, J. Teiser, and G. Wurm, Tracing Thermal Creep and Thermophoresis in Porous Structures at Low Ambient Pressure and Low Gravity,, 29,485-491, 2017.
M. Köster, T. Kelling, J. Teiser, and G. Wurm, Gas Flow within Martian Soil: Experiments on Granular Knudsen Compressors,, 362,171 1-10, 2017.
T. Demirci, J. Teiser, T. Steinpilz, J. Landers, S. Salamon, H. Wende, and G. Wurm, Is there a Temperature Limit in Planet Formation at 1000 K?,, 846,48 1-6, 2017.
M. Koester and G. Wurm, Lifting Particles in Martian Dust Devils by Pressure Excursions,, 145,9-13, 2017.
T. Steinpilz, J. Teiser, M. Koester, M. Schywek, and G. Wurm, Tracing Thermal Creep in Granular Media,, 29,325-330, 2017.
A. Bischoff, G. Wurm, M. Chaussidon, M. Horstmann, K. Metzler, M. Weyrauch, and J. Weinauer, The Allende Multi-Compound Chondrule (ACC) - Chondrule Formation in Local Super-Dense Regions of the Early Solar System,, 52,906-924, 2017.
G. Musiolik, C. de Beule, and G. Wurm, Analog Experiments on Tensile Strength of Dusty and Cometary Matter,, 296,110-116, 2017.
M. Kruss, J. Teiser, and G. Wurm, Growing Into and Out of the Bouncing Barrier in Planetesimal Formation,, 600,A103 1-4, 2017.
C. de Beule, J. Landers, S. Salamon, H. Wende, and G. Wurm, Planetesimal Formation in the Warm, Inner Disk: Experiments with Tempered Dust,, 837,59 1-9, 2017.
R. Yoshimatsu, N. A. M. Aráujo, G. Wurm, H. J. Herrmann, and T. Shinbrot, Something from Nothing: Self-Charging of Identical Grains,, 7,39996 1-11, 2016.
L. D. V. Neakrase, M. R. Balme, F. Esposito, T. Kelling, M. Klose, J. F. Kok, B. Marticorena, J. Merrison, M. Patel, and G. Wurm, Particle Lifting Processes in Dust Devils, Space Science Reviews, DOI 10.1007/s11214-016-0296-6, 2016.
C. Loesche, G. Wurm, T. Kelling, J. Teiser, and D. S. Ebel, The Motion of Chondrules and other Particles in a Protoplanetary Disc with Temperature Fluctuations, Monthly Notice of the Royal Astronomical Society, 463, 4167-4174, 2016.
M. Kruss, T. Demirci, M. Koester, T. Kelling, and G. Wurm, Failed Growth at the Bouncing Barrier in Planetesimal Formation, Astrophysical Journal, 827, 110:1-5, 2016.
G. Musiolik, J. Teiser, T. Jankowski, and G. Wurm, Ice Grain Collisions in Comparison: CO2, H2O, and their Mixtures, Astrophysical Journal, 827, 63:1-5, 2016.
T. Husmann, C. Loesche, and G. Wurm, Self-Sustained Recycling in the Inner Dust Ring of Pre-Transitional Disks, Astrophysical Journal, 829, 111:1-13, 2016.
J. Deckers and J. Teiser, Collisions of Solid Ice in Planetesimal Formation, Monthly Notice of the Royal Astronomical Society, 456, 4328-4334, 2016.
C. Loescher and T. Husmann, Photophoresis on Particles Hotter/Colder than the Ambient Gas for the Entire Range of Pressures, Journal of Aerosol Science, 102, 55-71, 2016.
M. Kuepper and G. Wurm, Amplification of Dust Loading in Martian Dust Devils by Self-Shadowing, Icarus, 274, 249-252, 2016.
C. Loesche, G. Wurm, T. Jankowski, and M. Kuepper, Photophoresis on Particles Hotter / Colder than the Ambient Gas in the Free Molecular Flow, Journal of Aerosol Science, 97, 22-33, 2016.
G. Musiolik, J. Teiser, T. Jankowski, and G. Wurm, Collisions of CO2 Ice Grains in Planet Formation, Astrophysical Journal, 818, 16 1-10, 2016.
J. B. Kimery, L. S. Matthews, G. Wurm, C. de Beule, M. Kuepper, and T. Hyde, Photophoretic Force on Aggregate Grains, Monthly Notice of the Royal Astronomical Society, 455, 2582-2591, 2016.
C. de Beule, G. Wurm, T. Kelling, M. Koester, M. Kocifaj, An Insolation Activated Dust Layer on Mars, Icarus, 260, 23-28, 2015.
M. Kuepper and G. Wurm, Thermal Creep-Assisted Dust Lifting on Mars: Wind Tunnel Experiments for the Entrainment Threshold Velocity, Journal of Geophysicas Research: Planets, 120, 1346-1356, 2015.
D. D. Dabrowska, O. Muñoz, F. Moreno, J. L. Ramos, J. Martínez-Frías, and G. Wurm, Scattering Matrices of Martian Dust Analogs at 488 nm and 647 nm, Icarus, 250, 83-94, 2015.
C. de Beule, G. Wurm, T. Kelling, M. Kuepper, T. Jankowski, and J. Teiser, The Martian Soil as a Planetary Gas Pump, Nature Physics, 10, 17-20, 2014.
M. Kuepper, C. de Beule, G. Wurm, L. S. Matthews, J. B. Kimery, T, and W. Hyde, Photophoresis on Polydisperse Basalt Microparticles under Microgravity, Journal of Aerosol Science, 76, 126-137, 2014.
J. Deckers and J. Teiser, Macroscopic Dust in Protoplanetary Disks -- From Growth to Destruction, Astrophysical Journal, 796, 99 1-11, 2014.
M. Kuepper, C. Duermann, C. de Beule, and G. Wurm, Propulsion of Porous Plates in Thin Atmospheres by Temperature Fields, Microgravity Science and Technology, 25, 311-318, 2014.
T. Kelling, G. Wurm, and M. Köster, Experimental Study on Bouncing Barriers in Pro-toplanetary Discs, Astrophysical Journal, 783, 111 1-7, 2014.
G. Aumatell and G. Wurm. Ice Aggregate Contacts at the nm-Scale, Monthly Notice of the Royal Astronomical Society, 437, 690-702, 2014.
C. Loesche, J. Teiser, G. Wurm, A. Hesse, J. M. Friedrich, and A. Bischoff, Photophoretic Strength on Chondrules 2: Experiments, Astrophysical Journal, 792, 73 1-9, 2014.
C. Loesche, G. Wurm, J. Teiser, J. M. Friedrich, and A. Bischoff, Photophoretic Strength on Chondrules 1: Modeling. Astrophysical Journal, 778, 101 1-10, 2013.
T. Meisner, G. Wurm, J. Teiser, and M. Schywek, Preplanetary Scavengers: Growing Tall in Dust Collisions, Astronomy & Astrophysics, 559, A123 1-10, 2013.
T. Kelling and G. Wurm. Accretion through the Inner Edge of a Protoplanetary Disk by A Giant Solid State Pump, Astrophysical Journal Letters, 774, L1 1-2, 2013.
C. Duermann, G. Wurm, and M. Kuepper. Radiative Forces on Macroscopic Porous Bodies in Protoplanetary Disks: Laboratory Experiments Astronomy & Astrophysics, 558, A70 1-8, 2013.
J. Teiser and S. E. Dodson-Robinson. Photophoresis boosts Giant Planet Formation, Astronomy & Astrophysics, 555, A98 1-5, 2013.
J. Deckers and J. Teiser. Colliding Decimeter Dust. Astrophysical Journal, 769, 151 1-6, 2013.
G. Wurm, M. Trieloff, and H. Rauer. Photophoretic Separation of Metals and Silicates: the Formation of Mercury like Planets and Metal Depletion in Chondrites, Astrophysical Journal, 769, 78 1-7, 2013.
C. de Beule, T. Kelling, G. Wurm, J. Teiser, and T. Jankowski. From Planetesimals to Dust: Low Gravity Experiments on Recycling Solids at the Inner Edge of Protoplanetary Disks, Astrophysical Journal, 763, 11 1-8, 2013.
T. Meisner, G.Wurm, and J. Teiser. Experiments on Centimeter Dust Aggregates and their Implications for Planetesimal Formation, Astronomy & Astrophysics, 544, A138 1-9, 2012.
C. Loesche and G.Wurm. Thermal and Photophoretic Properties of Dust Mantled Chondrules and Sorting in the Solar Nebula, Astronomy & Astrophysics, 545, A36 1-9, 2012.
T. Jankowski, G. Wurm, T. Kelling, J. Teiser, W. Sabolo, P. J. Gutierez, and I. Bertini. Crossing Barriers in Planetesimal Formation, Astronomy & Astrophysics, 542, A480 1-8, 2012.
J. van Eymeren and G.Wurm. The implications of particle rotation on the effect of photophoresis, Monthly Notice of the Royal Astronomical Society, 420, 183-186, 2012.
T. Kelling, G. Wurm, and C. Dürmann. Ice Particles Trapped by Temperature Gradients at mbar Pressure, Review of Scientific Instruments, 82, 115105 1-4, 2011.
J. Teiser, M. Küpper, and G. Wurm. Impact Angle Influence in High Velocity Dust Collisions during Planetesimal Formation, Icarus , 215, 596-598, 2011.
J. Teiser, I. Engelhardt, and G. Wurm. Porosities of Protoplanetary Dust Agglomerates from Collisions Experiments, Astrophysical Journal, 741, 5 1-7, 2011.
G. Aumatell and G. Wurm. Breaking the Ice: Planetesimal Formation at the Snowline, Monthly Notice of the Royal Astronomical Society, 418, L1-L5, 2011.
A. Moudens, O. Mousis, J.-M. Petit, G.Wurm, D. Cordier, and S. Charnoz. Photophoretic Transport of Hot Minerals in the Solar Nebula, Astronomy & Astrophysics, 531, A106 1-11, 2011.
J. van Eymeren, E. Jütte, C.J. Jog, Y. Stein, and R.-J. Dettmar. Lopsidedness in WHISP galaxies: II. Morphological lopsidedness, Astronomy & Astrophysics, 530, A30 1-15, 2011.
T. Kelling and G. Wurm. A Mechanism to Produce the Small Dust Observed in Protoplanetary Disks. Astrophysical Journal, 733,120-124, 2011.
T. Kelling, G. Wurm, M. Kocifaj, J. Klačka, and D. Reiss. Dust Ejection from Planetary Bodies by Temperature Gradients: Laboratory Experiments. Icarus, 212, 935-940, 2011.
M. Kocifaj, J. Klačka, T. Kelling, and G. Wurm. Radiative Cooling within illumintated Layers of Dust on (Pre)-planetary Surfaces and its Effect on Dust Ejection. Icarus, 211, 832-838, 2011.
J. Klačka, M. Kocifaj, G. Wurm, P.Wehry, and J.Teiser. Nonspherical Zodiacal Dust Particles driven by Radiation Pressure. Planetary and Space Science, 58, 1050-1054, 2010.
G. Wurm, J. Teiser, A. Bischoff, H. Haack, and J. Roszjar. Experiments on the Photophoretic Motion of Chondrules and Dust Aggregates - Indications for the Transport of Matter in Protoplanetary Disks, Icarus, 208, 482-491, 2010.
M. Kocifaj, J. Klačka, G. Wurm, T. Kelling, and I. Kohút. Dust Ejection from (Pre-) Planetary Bodies by Temperature Gradients: Radiative and Heat Transfer, Monthly Notice of the Royal Astronomical Society, 404, 1512-1518, 2010.
T. Kelling and G. Wurm. Self-Sustained Levitation of Dust Aggregate Ensembles by Temperature-Gradient-Induced Overpressures, Physical Review Letters, 103, 215502, 2009.
J. Teiser and G. Wurm. Decimetre Dust Aggregates in Protoplanetary Discs, Astronomy and Astrophysics, 505, 351-359, 2009.
G. Wurm and H. Haack. Outward Transport of CAIs during FU-Orionis Events, Meteoritics and Planetary Science, 44, 689-699, 2009.
G. Wurm and T. Guillot. Planets and Planetary Systems, from the Nebula to long term Evolution, in, Structure Formation in Astrophysics, (G. Chabrier (ed.), Cambridge University Press, New York), 410-424, 2009.
J. Teiser and G. Wurm. High-velocity Dust Collisions, Forming Planetesimals in a Fragmentation Cascade , with Final Accretion, Monthly Notice of the Royal Astronomical Society, 393, 1584-1594, 2009.
G. Wurm, J. Teiser, and D. Reiss. Greenhouse and Thermophoretic Effects in Dust Layers, The Missing Link for Lifting Dust on Mars. Geophysical Research Letters, 35, L10201 1-5, 2008.
J. Blum and G. Wurm. The Growth Mechanisms of Macroscopic Bodies in Protoplanetary Disks. Annual Review of Astronomy and Astrophysics, 46, 21-56, 2008.
G. Wurm and O. Krauss. Experiments on Negative Photophoresis and Application to the Atmosphere. Atmospheric Environment, 42, 2682-2690, 2008.
O. Mousis, J.-M. Petit, G. Wurm, O. Krauss, Y. Alibert, and J. Horner. Photophoresis as a Source of hot Minerals in Comets. Astronomy and Astrophysics, 466, L9-L12, 2007.
C. Dominik, J. Blum, J. Cuzzi, and G. Wurm. Aggregation and Transport of Dust in Disks as Initial Steps toward Planet Formation. in, Protostars and Planets V, B. Reipurth, D. Jewitt, K. Keil (eds.), University of Arizona Press, Tucson, 783-800, 2007.
G. Wurm. Light Induced Disassembly of Dusty Bodies in Inner Protoplanetary Discs, Implications for the Formation of Planets. Monthly Notice of the Royal Astronomical Society, 380, 683-690, 2007.
O. Krauss, G. Wurm, O. Mousis, J.-M. Petit, J. Horner, and Y. Alibert. The Photophoretic Sweeping of Dust in Transient Protoplanetary Disks. Astronomy & Astrophysics, 462, 977-987, 2007.
G. Paraskov, G. Wurm, and O. Krauss. Eolian Erosion of Dusty Bodies in Protoplanetary Disks. Astrophysical Journal, 648, 1219-1227, 2006.
G. Wurm and O. Krauss. Dust Eruptions by Photophoresis and Solid State Greenhouse Effects. Physical Review Letters, 96, 134301, 2006.
G. Wurm and O. Krauss. Concentration and Sorting of Chondrules and CAIs in the Late Solar Nebula. Icarus, 180, 487-495 , 2006.
O. Krauss and G. Wurm. Photophoresis and the Pile-up of Dust in Young Circumstellar Disks.
G. Wurm, G. Paraskov, and O. Krauss. Growth of Planetesimals by Impacts at ~25m/s. Icarus, 178, 253-263, 2005.
G. Wurm, G. Paraskov, and O. Krauss. Ejection of Dust by Elastic Waves in Collisions between Millimeter- and Centimeter-sized Dust Aggregates at 16.5 to 37.5m/s Impact Velocities. Physical Review E, 71, 021304 1-10, 2005.
O. Krauss and G. Wurm. Radiation Pressure Forces on Individual Micron-size Dust Particles, A New Experimental Approach. Journal for Quantitative Spectroscopy and Radiative Transfer, 89, 179-189, 2004.
G. Wurm, H. Relke, J. Dorschner, and O. Krauss. Light Scattering Experiments with Micron- sized Dust Aggregates. Results on Ensembles of SiO2 Monospheres and of Irregularly Shaped Graphite Particles. Journal for Quantitative Spectroscopy and Radiative Transfer, 89, 371-384, 2004.
G. Wurm, G. Paraskov, and O. Krauss. On the Importance of Gas Flow through Porous Bodies for the Formation of Planetesimals. Astrophysical Journal, 606, 983-987, 2004.
G. Wurm, H. Relke, and J. Dorschner. Experimental Study of Light Scattering by Large Dust Aggregates consisting of Micron-sized SiO2 Monospheres. Astrophysical Journal, 595, 891- 899, 2003.
J. Blum, G. Wurm, T. Poppe, S. Kempf, and T. Kozasa. First Results from the Cosmic Dust Aggregation Experiment CODAG. Advances in Space Research, 29, 497-503, 2002.
T. Poppe, G. Wurm, and R. Krieg. Optical Particle and Particle Motion Analysis with PATRICIA, Measurement Science and Technology, 13, 796-802, 2002.
G. Wurm and M. Schnaiter. Coagulation as Unifying Element for Interstellar Polarization. Astrophysical Journal, 567, 370-375, 2002.
M. Schnaiter and G. Wurm. Experiments on Light Scattering and Extinction by Small Micron- Sized Aggregates of Spheres. Applied Optics, 41, 1175-1180, 2002.
G. Wurm, J. Blum, and J. E. Colwell. Aerodynamical Sticking of Dust Aggregates. Physical Review E, 64, 046301 1-9, 2001.
G. Wurm, J. Blum, and J. E. Colwell. A New Mechanism Relevant to the Formation of Planetesimals in the Solar Nebula. Icarus, 151, 318-321, 2001.
J. Blum and G. Wurm. Drop Tower Experiments on Sticking, Restructuring and Fragmentation of Preplanetary Dust Aggregates. Microgravity Science and Technology, 13, 29-34, 2001.
J. Blum, G. Wurm, S. Kempf, T. Poppe, H. Klahr, T. Kozasa, M. Rott, T. Henning, J. Dorschner, R. Schräpler, H. U. Keller, W. J. Markiewicz, I. Mann, B. A. S. Gustafson, F. Giovane, D. Neuhaus, H. Fechtig, E. Grün, B. Feuerbacher, H. Kochan, L. Ratke, A. El Goresy, G. Morfill, S. J. Weidenschilling, G. Schwehm, K. Metzler, and W.-H. Ip. Growth and Form of Planetary Seedlings, Results from a Microgravity Aggregation Experiment. Physical Review Letters, 85, 2426-2429, 2000.
G. Wurm and J. Blum. An Experimental Study on the Structure of Cosmic Dust Aggregates and their Alignment by Motion Relative to Gas. Astrophysical Journal, 529, L57-L60, 2000.
J. Blum and G. Wurm. Experiments on Sticking, Restructuring and Fragmentation of Preplanetary Dust Aggregates. Icarus, 143, 138-146, 2000.
J. Blum, G. Wurm, T. Poppe, B. Fiethe, M. Giel, P. Offterdinger, D. Neuhaus, M. Rott, F. Giovane, and B. Gustafson. The Cosmic Dust Aggregation Experiment CODAG. Measurement Science and Technology, 10, 836-844, 1999.
J. Blum, G. Wurm, and T. Poppe. The CODAG Sounding Rocket Experiment to Study Aggregation of Thermally Diffusing Dust Particles. Advances in Space Research, 23, 1267- 1270, 1999.
G. Wurm and J. Blum. Experiments on Preplanetary Dust Aggregation. Icarus, 132, 125-136, 1998.
J. Blum, G. Wurm, S. Kempf, and Th. Henning. The Brownian Motion of Dust Particles in the Solar Nebula - An Experimental Approach to the Problem of Pre-Planetary Dust Aggregation. Icarus, 124, 441-451, 1996.
J. Blum, M. Schnaiter, G. Wurm, and M. Rott. The De-agglomeration and Dispersion of Small Dust Particles - Principles and Applications. Review of Scientific Instruments, 67, 589-595, 1996.