Hamburger Sternwarte - Forschung: Preprints 2009






2009 | 2008


  1. A substellar component orbiting the F-star 30 Ari B
    E.W. Guenther, M. Hartmann, M. Esposito, A.P. Hatzes, F. Cusano, D. Gandolfi

    23-Dez-2009
  2. Multi-band transit observations of the TrES-2b exoplanet
    D. Mislis, S. Schroter, J.H.M.M. Schmitt, O. Cordes, K. Reif

    22-Dez-2009
  3. CARMENES: Calar Alto high-Resolution search for M dwarfs with Exo-earths with a Near-infrared Echelle Spectrograph
    A. Quirrenbach, P. J. Amado, H. Mandel, J. A. Caballero, I. Ribas, A. Reiners, R. Mundt, M. Abril, C. Afonso, J. L. Bean, V. J. S. Bejar, S. Becerril, A. Boehm, C. Cardenas, A. Claret, J. Colome, L. P. Costillo, S. Dreizler, M. Fernandez, X. Francisco, R. Garrido, J. I. Gonzalez Hernandez, E. W. Guenther, J. Gutierrez-Soto, V. Joergens, A. P. Hatzes, T. Henning, E. Herrero, M. Kurster, W. Laun, R. Lenzen, U. Mall, E. L. Martin, S. Martin-Ruiz, D. Montes, J. C. Morales, R. Morales Munoz, A. Moya, V. Naranjo, O. Rabaza, A. Ramon, R. Rebolo, S. Reffert, F. Rodler, E. Rodriguez, A. Rodriguez Trinidad, R.-R. Rohloff, M. A. Sanchez Carrasco, C. Schmidt, W. Seifert, J. Setiawan, O. Stahl, J. C. Suarez, G. Wiedemann, C. del Burgo, D. Galadi, E. Sanchez-Blanco, W. Xu

    03-Dez-2009
  4. The CRIRES Search for Planets Around the Lowest-Mass Stars. II. The Proposed Giant Planet Orbiting VB10 Does Not Exist
    Jacob L. Bean, Andreas Seifahrt, Henrik Hartman, Hampus Nilsson, Ansgar Reiners, Stefan Dreizler, Todd J. Henry, Guenter Wiedemann

    01-Dez-2009
  5. 51 Pegasi - a planet-bearing Maunder minimum candidate
    K. Poppenhaeger, J. Robrade, J.H.M.M. Schmitt, J.C. Hall

    25-Nov-2009
  6. Spatial and temporal variations of fundamental constants
    S. A. Levshakov, I. I. Agafonova, P. Molaro, D. Reimers

    19-Nov-2009
  7. Search for chameleon-like scalar fields with the ammonia method
    S. A. Levshakov, P. Molaro, A. V. Lapinov, D. Reimers, C. Henkel, T. Sakai

    19-Nov-2009
  8. A 3D radiative transfer framework: VI. PHOENIX/3D example applications
    Peter H. Hauschildt, E. Baron

    17-Nov-2009
  9. The CRIRES Search for Planets Around the Lowest-Mass Stars. I. High-Precision Near-Infrared Radial Velocities with an Ammonia Gas Cell
    Jacob L. Bean, Andreas Seifahrt, Henrik Hartman, Hampus Nilsson, Guenter Wiedemann, Ansgar Reiners, Stefan Dreizler, Todd J. Henry

    16-Nov-2009
  10. Cosmological observations to shed light on possible variations - expectations, limitations and status quo
    M. Wendt, D. Reimers, P. Molaro

    27-Oct-2009
  11. Transit detections of extrasolar planets around main-sequence stars - I. A sky map for Hot Jupiters
    René Heller, Dimitris Mislis, John Antoniadis

    15-Oct-2009
  12. On the Hydrogen Recombination Time in Type II Supernova Atmospheres
    Soma De, E. Baron, P. H. Hauschildt

    03-Oct-2009
  13. The Chandra X-ray view of the power sources in Cepheus A
    P. C. Schneider, H. M. Guenther, J. H. M. M. Schmitt

    30-sep-2009
  14. Chandra observation of Cepheus A: The diffuse emission of HH 168 resolved
    P. C. Schneider, H. M. Guenther, J. H. M. M. Schmitt

    29-sep-2009
  15. Comoving-frame radiative transfer in arbitrary velocity fields -- II. Large scale applications
    S. Knop, P. H. Hauschildt, E. Baron

    23-sep-2009
  16. A planetary eclipse map of CoRoT-2a. Comprehensive lightcurve modeling combining rotational-modulation and transits
    K. F. Huber, S. Czesla, U. Wolter, J. H. M. M. Schmitt

    17-sep-2009
  17. Detecting Planets Around Very Low Mass Stars with the Radial Velocity Method
    A. Reiners, J.L. Bean, K.F. Huber, S. Dreizler, A. Seifahrt, S. Czesla

    31-aug-2009
  18. Metal-rich absorbers at high redshifts: abundance patterns
    S. A. Levshakov, I. I. Agafonova, P. Molaro, D. Reimers, J. L. Hou

    28-aug-2009
  19. 3D Radiative Transfer with PHOENIX
    E. Baron, Bin Chen, P. H. Hauschildt

    28-aug-2009
  20. Dust in brown dwarfs and extra-solar planets II. Cloud formation for cosmologically evolving abundances
    S. Witte, Ch. Helling, P. H. Hauschildt

    25-aug-2009
  21. High-resolution UVES/VLT spectra of white dwarfs observed for the ESO SN Ia Progenitor Survey. III. DA white dwarfs
    D. Koester, B. Voss, R. Napiwotzki, N. Christlieb, D. Homeier, T. Lisker, D. Reimers, U. Heber

    17-aug-2009
  22. Time-dependent radiative transfer with PHOENIX
    D. Jack, P. H. Hauschildt, E. Baron

    09-jul-2009
  23. Transit mapping of a starspot on CoRoT-2 - Probing a stellar surface by planetary transits
    U. Wolter, J.H.M.M. Schmitt, K.F. Huber, S. Czesla, H.M. Mueller, E.W. Guenther, A.P. Hatzes

    22-jun-2009
  24. How stellar activity affects the size estimates of extrasolar planets
    S. Czesla, K. F. Huber, U. Wolter, S. Schröter, J. H. M. M. Schmitt

    19-jun-2009
  25. Resonant laser power build-up in ALPS - a "light-shining-through-walls" experiment -
    Klaus Ehret, Maik Frede, Samvel Ghazaryan, Matthias Hildebrandt, Ernst-Axel Knabbe, Dietmar Kracht, Axel Lindner, Jenny List, Tobias Meier, Niels Meyer, Dieter Notz, Javier Redondo, Andreas Ringwald, Günter Wiedemann, Benno Willke

    26-may-2009
  26. Detection of orbital parameter changes in the TrES-2 exoplanet ?
    D. Mislis, J.H.M.M. Schmitt

    25-may-2009
  27. Spectral synthesis of circumstellar disks - application to white dwarf debris disks
    S.D. Huegelmeyer, S. Dreizler, D. Homeier, P. Hauschildt

    04-may-2009
  28. AKARI and Spitzer observations of heavily obscured C-rich AGB/post-AGB stars
    D.A. García-Hernández, F. Bunzel, D. Engels, J.V. Perea-Calderón, P. García-Lario

    27-apr-2009
  29. AKARI/IRC observations of heavily obscured oxygen-rich AGB and post-AGB stars
    F. Bunzel, D.A. García-Hernández, D. Engels, J.V. Perea-Calderón, P. García-Lario

    27-apr-2009
  30. The transition from AGB to post-AGB evolution as observed by AKARI and Spitzer
    D. Engels, P. García-Lario, F. Bunzel, D.A. García-Hernández, J.V. Perea-Calderón

    27-apr-2009
  31. Variability of the transitional T Tauri star T Chamaeleontis
    E. Schisano, E. Covino, J.M. Alcala', M. Esposito, D. Gandolfi, E.W. Guenther

    14-apr-2009
  32. Long-term stability of spotted regions and the activity-induced Rossiter-McLaughlin effect on V889 Herculis. A synergy of photometry, radial velocity measurements, and Doppler imaging
    K. F. Huber, U. Wolter, S. Czesla, J. H. M. M. Schmitt, M. Esposito, I. Ilyin, J. N. González-Pérez

    09-apr-2009
  33. Physical parameters of T dwarfs derived from high-resolution near-infrared spectra
    C. del Burgo, E. L. Martin, M. R. Zapatero Osorio, P. H. Hauschildt

    25-mar-2009
  34. Radiative transfer in circumstellar disks - I. 1D models for GQ Lupi
    S.D. Huegelmeyer, S. Dreizler, P.H. Hauschildt, A. Seifahrt, D. Homeier, T. Barman

    13-mar-2009
  35. A 3D radiative transfer framework: V. Homologous Flows
    E. Baron, Peter H. Hauschildt, Bin Chen

    13-mar-2009
  36. A 3D radiative transfer framework: IV. spherical & cylindrical coordinate system
    Peter H. Hauschildt, E. Baron

    11-mar-2009
  37. Altair - the 'hottest' magnetically active star in X-rays
    J. Robrade, J.H.M.M. Schmitt

    05-mar-2009
  38. Optical and Near-Infrared Spectroscopy of the L Subdwarf SDSS J125637.13-022452.4
    Adam J. Burgasser, Soeren Witte, Christiane Helling, Robyn E. Sanderson, John J. Bochanski, Peter H. Hauschildt

    03-mar-2009
  39. A new formal solution of the radiative transfer in arbitrary velocity fields
    S. Knop, P. H. Hauschildt, E. Baron

    11-feb-2009
  40. An evolved donor star in the long-period cataclysmic variable HS 0218+3229
    P. Rodríguez-Gil, M. A. P. Torres, B. T. Gänsicke, T. Muñoz-Darias, D. Steeghs, R. Schwarz, A. Rau, H.-J. Hagen

    26-jan-2009
  41. X-ray emission from the M9 dwarf 1RXS J115928.5-524717 - Quasi-quiescent coronal activity at the end of the main sequence
    J. Robrade, J.H.M.M. Schmitt

    20-jan-2009
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