Leibniz-Institute for Astrophysics Potsdam Solar Observatory Einsteinturm

Members: Horst Balthasar

• spectroscopy and polarimetry of sunspots
• oscillations in prominences
• spectroscopy of the granulation

Scientific Stations:

• at AIP since January, 1997
• 1992-1996 Kiepenheuerinstitut für Sonnenphysik, Freiburg
• 1991 Fachhochschule Wiesbaden
• before: Universitäts-Sternwarte Göttingen
• 1984/85 Instituto de Astrofisica de Canarias, La Laguna, Tenerife

Recent Publications:

• H. Balthasar and K. Muglach:
  The Three-dimensional structure of Sunspots,
  II. The Moat Flow in two Different Heights
  Astronomy & Astrophysics, 511, A67 (2010)
  
• P. Gömöry, C. Beck, H. Balthasar, J. Rybak, A. Kucera, J. Koza and H. Wöhl:
  Magnetic Loop Emergence within a Granule
  Astronomy & Astrophysics, 511, A14 (2010)
  
• M.L. Demidov and H. Balthasar:
  Spectro-Polarimetric Observations of Solar Magnetic Fields and the SOHO/MDI Calibration Issue
  Solar Physics 260, 261 (2009)
  
• H. Balthasar and P. Gömöry:
  The Three-dimensional structure of Sunspots,
  I. The Height Dependence of the Magnetic Field
  Astronomy & Astrophysics, 488, 1085 (2008)
  
• M.L. Demidov, E.M. Golubeva, H. Balthasar, J. Staude and V.M. Grigoryev:
  Comparison of Solar Magnetic Fields Measured at Different Observatories: Peculiar Strength Ratio Distributions Across the Disk
  Solar Physics 250, 279 (2008)
  
• H. Balthasar and H. Schleicher:
  Two-Dimensional Spectroscopy of Sunspots,
  II. Search for Propagating Waves and Drifting Velocity Filaments in Photospheric Layers
  Astronomy & Astrophysics 481, 811 (2008)
  
• H. Balthasar:
  Rotational Periodicities in the Sunspot Relativ Numbers
  Astronomy & Astrophysics 471, 281 (2007)
  
• H. Balthasar:
  Vertical Current densities and Magnetic Gradients in Sunspots
  printed in Astronomy & Astrophysics 449, 1169 (2006)
  
• H. Balthasar and M. Collados:
  Some Properties of an Isolated Sunspot
  printed in Astronomy & Astrophysics 429, 705 (2005)
  
• L.R. Bellot Rubio, H. Balthasar and M. Collados:
  Two Magnetic Components in Sunspot Penumbrae
  printed in Astronomy & Astrophysics 427, 319 (2004)
  
• H. Balthasar:
  Oscillations in Sunspots Observed in the Near Infrared
  printed in Solar Physics 218, 85 (2003)
  
• H. Schleicher, H. Balthasar and H. Wöhl
  Velocity Field of a Complex Sunspot with Light Bridges
  printed in Solar Physics 215, 261 (2003)
  
• L.R. Bellot Rubio, H. Balthasar, M. Collados and R. Schlichenmaier:
  Field-aligned Evershed Flows in the Photosphere of a Sunspot Penumbra
  printed in Astronomy & Astrophysics 403, L47 (2003)
  
• J. Terradas, R. Molowny Horas, E. Wiehr, H. Balthasar, R. Oliver and J.L. Ballester:
  Two-dimensional Distribution of Oscillations in a Quiescent Prominence.
  printed in Astronomy & Astrophysics 393, 637 (2002)
  
• H. Balthasar, P. Sütterlin and M. Collados:
  Penumbral Finestructure: Need for Larger Telescopes.
  printed in Astronomische Nachrichten 322, 367 (2001)