Hamburger Sternwarte - Forschung: Preprints 2011






2011 | 2010


  1. Estimating transiting exoplanet masses from precise optical photometry
    D. Mislis, R. Heller, J.H.M.M. Schmitt, S. Hodgkin

    09-Dez-2011
  2. Surface convection: from the Sun to red giant stars
    Laurent Piau, Pierre Kervella, Sami Dib, Peter Hauschildt

    06-Dez-2011
  3. The ultracool dwarf DENIS-P J104814.7-395606. Chromospheres and coronae at the low-mass end of the main-sequence
    B.Stelzer, J.Alcala, K.Biazzo, B.Ercolano, I.Crespo-Chacon, J.Lopez-Santiago, R.Martinez-Arnaiz, J.H.M.M.Schmitt, E.Rigliaco, F.Leone, G.Cupani

    29-Nov-2011
  4. Solar Hidden Photon Search
    Matthias Schwarz, Axel Lindner, Javier Redondo, Andreas Ringwald, Guenter Wiedemann

    24-Nov-2011
  5. Statistical analysis of the mass-to-flux ratio in turbulent cores: effects of magnetic field reversals and dynamo amplification
    Erik Bertram, Christoph Federrath, Robi Banerjee, Ralf S. Klessen

    23-Nov-2011
  6. Importance of the Initial Conditions for Star Formation - III: Statistical Properties of Embedded Protostellar Clusters
    Philipp Girichidis, Christoph Federrath, Richard Allison, Robi Banerjee, Ralf Klessen

    23-Nov-2011
  7. The long-term evolution of warped, magnetised discs, and precessing outflows in collapsing pre-stellar cores
    Dennis F. Duffin, Ralph E. Pudritz, Daniel Seifried, Robi Banerjee, Ralf S. Klessen

    23-Nov-2011
  8. Magnetic fields in the first galaxies: Dynamo amplification and limits from reionization
    Dominik R.G. Schleicher, Jennifer Schober, Christoph Federrath, Francesco Miniati, Robi Banerjee, Ralf S. Klessen

    13-Oct-2011
  9. Radiative Feedback in Massive Star and Cluster Formation
    Thomas Peters, Ralf S. Klessen, Mordecai-Mark Mac Low, Robi Banerjee

    13-Oct-2011
  10. Importance of the Initial Conditions for Star Formation - II. Fragmentation Induced Starvation and Accretion Shielding
    Philipp Girichidis, Christoph Federrath, Robi Banerjee, Ralf S. Klessen

    10-Oct-2011
  11. Magnetic Field Amplification by Small-Scale Dynamo Action: Dependence on Turbulence Models, Reynolds and Prandtl Numbers
    Jennifer Schober, Dominik Schleicher, Christoph Federrath, Ralf Klessen, Robi Banerjee

    21-Sep-2011
  12. Magnetic fields during the early stages of massive star formation - II. A generalised outflow criterion
    D. Seifried, R. E. Pudritz, R. Banerjee, D. Duffin, R. S. Klessen

    20-Sep-2011
  13. Searches for Metal-Poor Stars from the Hamburg/ESO Survey using the CH G-band
    Vinicius M. Placco, Catherine R. Kennedy, Timothy C. Beers, Norbert Christlieb, Silvia Rossi, Thirupathi Sivarani, Young Sun Lee, Dieter Reimers, Lutz Wisotzki

    19-Sep-2011
  14. Mach Number Dependence of Turbulent Magnetic Field Amplification: Solenoidal versus Compressive Flows
    Christoph Federrath, Gilles Chabrier, Jennifer Schober, Robi Banerjee, Ralf S. Klessen, Dominik R. G. Schleicher

    08-Sep-2011
  15. Multi-wavelength observations of Proxima Centauri
    B. Fuhrmeister, S. Lalitha, K. Poppenhaeger, N. Rudolf, C. Liefke, A. Reiners, J. H. M. M. Schmitt, J.-U. Ness

    06-Sep-2011
  16. A 3D radiative transfer framework: XIII. OpenCL implementation
    Peter H. Hauschildt, E. Baron

    29-Jul-2011
  17. Magnetic fields during the early stages of massive star formation I: Accretion and disk evolution
    D. Seifried, R. Banerjee, R. S. Klessen, D. Duffin, R. E. Pudritz

    22-Jun-2011
  18. Methanol as a tracer of fundamental constants
    S. A. Levshakov, M. G. Kozlov, D. Reimers

    08-Jun-2011
  19. The corona and companion of CoRoT-2A. Insights from X-rays and optical spectroscopy
    J. Robrade, J.H.M.M. Schmitt

    08-Jun-2011
  20. A correlation between host star activity and planet mass for close-in extrasolar planets?
    K. Poppenhaeger, J.H.M.M. Schmitt

    01-jun-2011
  21. New X-ray observations of IQ Aurigae and alpha2 Canum Venaticorum - Probing the magnetically channelled wind shock model in A0p stars
    J. Robrade, J.H.M.M. Schmitt

    18-may-2011
  22. The influence of non-isotropic scattering of thermal radiation on spectra of brown dwarfs and hot exoplanets
    R.J. de Kok, Ch. Helling, D.M. Stam, P. Woitke, S. Witte

    16-may-2011
  23. Detecting Planets around Very Cool Dwarfs at Near Infrared Wavelengths with the Radial Velocity Technique
    Florian Rodler, Carlos del Burgo, Soeren Witte, Christiane Helling, Peter H. Hauschildt, Eduardo L. Martin, Carlos Alvarez

    11-may-2011
  24. The X-ray puzzle of the L1551 IRS 5 jet
    P. C. Schneider, H. M. Guenther, J. H. M. M. Schmitt

    09-may-2011
  25. Sensitivity of the isotopologues of hydronium to variation of the electron-to-proton mass ratio
    M. G. Kozlov, S. G. Porsev, D. Reimers

    24-mar-2011
  26. Discovery of a ~23 Mjup Brown Dwarf Orbiting ~700 AU from the Massive Star HIP 78530 in Upper Scorpius
    David Lafrenière, Ray Jayawardhana, Markus Janson, Christiane Helling, Soeren Witte, Peter Hauschildt

    24-jan-2011
  27. The Bipolar X-Ray Jet of the Classical T Tauri Star DG Tau
    M. Guedel, M. Audard, F. Bacciotti, J.S. Bary, K.R. Briggs, S. Cabrit, A. Carmona, C. Codella, C. Dougados, J. Eisloeffel, F. Gueth, H.M. Guenther, G. Herczeg, P. Kundurthy, S.P. Matt, R.L. Mutel, T. Ray, J.H.M.M. Schmitt, P.C. Schneider, S.L. Skinner, R. van Boekel

    14-jan-2011
  28. Determining the Metallicity of Low-Mass Stars and Brown Dwarfs: Tools for Probing Fundamental Stellar Astrophysics, Tracing Chemical Evolution of the Milky Way and Identifying the Hosts of Extrasolar Planets
    Andrew A. West, John J. Bochanski, Brendan P. Bowler, Aaron Dotter, John A. Johnson, Sebastian Lepine, Barbara Rojas-Ayala, Andreas Schweitzer

    05-jan-2011
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  • 01-Okt-2011| Vollersen