Contact

Dr. Klaus Gerhard Puschmann

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Julius-Pfister-Ring 14d
63755 Alzenau

Bavaria

Germany

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Phone: +49 6023 7061001
Mobile: +49 1522 1517880

E-Mail: kgp@live.de

Dr. Klaus Gerhard Puschmann
Dr. Klaus Gerhard Puschmann

Selected Publications

 

 

Here you will find some of my most relevant scientific publications carried out in the frame of my contracts at the Institut für Astrophysik Göttingen (IAG), the Instituto de Astrofisica de Canarias (IAC), and the Leibniz Institut für Astrophysik Potsdam (AIP). The topics cover:

 

  • Space Weather
  • Astrophysics & Solar Physics: Photosphere, Chromosphere, Magnetic Fields, Sunspots, Pores, Quiet Sun, Spicules, Flares, Filaments, Mottles....
  • Instrumental Development: GREGOR Fabry-Perot Interferometer - GFPI, BLue Imaging Solar Spectrometer - BLISS
  • The 1.5m Telescope project GREGOR
  •  Observational Astronomy:Spectroscopy, Polarimetry at different Telescopes (VTT, GREGOR, SST) and Instruments (GFPI, TESOS, POLIS, TIP, CRISP, Spectrograph)
  • Spectral Line Inversion,  Image Processing, Image Reconstruction (Speckle, Speckle Deconvolution, MOMFBD, GFPI Data-Pipeline), Numerical Analysis, Semi-Empirical Geometrical Modelling.

 

Space Weather

  1. Kraft, S., Puschmann, K.G., Luntama, J.P.: "Remote Sensing Optical Instrumentation for enhanced Space Weather Monitoring from the L1 and L5 Lagrange Points", Proceeding, ICSO 2016, International Conference on Space Optics, 18-21 October 2016, Biarritz, France (2016) 

 

 

       GREGOR Fabry-Pérot Interferometer (GFPI)          Blue Imaging Solar Spectrometer (BLISS) 

  1. Puschmann, K. G.: "The GREGOR Fabry-Perot Interferometer (GFPI) - Technical Innovations and Results achieved in 2013", arXiv e-print 2016arXiv160205783P (2016)

  2. Puschmann, K. G., Denker, C., Balthasar et al.: “The GREGOR Fabry-Perot Interferometer and its companion the Blue Imaging Solar Spectrometer”, modified refereed version of Proc. SPIE 8446, 79, 2012. Opt. Eng. 52(8), 1606  (2013)
  3. Puschmann, K.G., Denker, C., Kneer, F., et al.: “The GREGOR Fabry-Perot Interferometer”, AN 333, 880 (2012)
  4. Puschmann, K.G., Balthasar, H., Beck, C., et al.: “GREGOR Fabry-Perot Interferometer – status report and prospects”, Proc. SPIE 8446, 79 (2012)
  5. Puschmann, K.G., Balthasar, H., Bauer, S.M., et al.: “The GREGOR Fabry-Perot Interferometer - A New Instrument for High-Resolution Spectropolarimetric Solar Observations”, in: Magnetic Fields from the Photosphere to the Corona, Rimmele, T.R., eds., ASPC 463, 423 (2012)
  6. Puschmann, K. G., Kneer, F., Nicklas, H., Wittmann, A. D. 2007, “From the Göttingen Fabry-Perot Interferometer to the GREGOR FPI”, in: Modern Solar Facilities - Advanced Solar Science, ed. F. Kneer, K. G. Puschmann, A. D. Wittmann, Universitätsverlag Göttingen, MSFA Conf., 45 (2007)
  7. Puschmann, K. G., Kneer, F., Seelemann, T., Wittmann, A. D.: “The new Göttingen Fabry-Perot spectrometer for two-dimensional observations of the Sun”, A&A 451, 1151 (2006)

 

The 1.5-meter GREGOR Solar Telescope

  1. Schmidt, W., von der Lühe, O., Volkmer, R. ..., Puschmann, K.G., et al.: “The GREGOR solar telescope on Tenerife,” In: Magnetic Fields from the Photosphere to the Corona, Rimmele, T.R., eds., ASPC 463, 365 (2012)
  2. Schmidt, W., von der Lühe, O., Volkmer, R. ..., Puschmann, K. G., et al.: “The GREGOR solar telescope on Tenerife”, AN 333, 796 (2012)
  3. Denker, C., Lagg, A., Puschmann, K.G., et al.: "The GREGOR Solar Telescope", in Science with Large Solar Telescopes", IAUSS, 6, 203 (2012)
  4. Denker, C., von der Lühe, O., Feller, A, …, Puschmann, K. G., et al.: “A retrospective of the GREGOR solar telescope in scientific literature”, AN 333, 812 (2012)
  5. Balthasar, H., von der Lühe, O., Kneer, F., ..., Puschmann, K.G., et al.: "GREGOR: the New German Solar Telescope", ASPC, 368, 605 (2007)
  6. Volkmer, R., von der Lühe, O., Kneer. F., ..., Puschmann, K.G., et al.: "New high resolution solar telescope GREGOR", in "Modern solar facilities - advanced solar science", eds. Kneer, F., Puschmann, K.G., Wittmann, A.D., Universitätsverlag Göttingen, msfa.conf, p. 39 (2007)
 

Image Reconstruction

  1. Puschmann, K. G. & Beck, C: “Application of speckle and (multi-object) multi-frame blind deconvolution techniques on imaging and imaging spectropolarimetric data”, A&A 533, 21 (2011)
  2. Puschmann, K. G. & Sailer, M. J.: “Speckle reconstruction of photometric data observed by means of adaptive optics”, A&A 454, 1011 (2006)
  3. Puschmann, K. G. & Kneer, F.: “On super-resolution in astronomical imaging”, A&A 436, 373 (2005)
 

Sunspots

  1. Louis, R.E, Balthasar, H., Kuckein, C., Gömöry, P., Puschmann, K.G., Denker, C.:"The association between sunspot magnet fields and superpenumbral filaments", AN, 335, 161 (2014)
  2. Louis, R.E., Puschmann, K.G., Kliem, B., Balthasar, H., Denker, C.: "Sunspot splitting triggering an eruptive flare", A&A, 562, id.A110 (2014)
  3. Balthasar, H., Beck, C., Gömöry, P., Muglach, K., Puschmann, K.G., Shimizu, T., Verma, M.: “Properties of a decaying sunspot”, Central European Astrophysical Bulletin, 37, 435 (2013)
  4. Louis, R.E., Mathew, S.K., Puschmann, K.G., Beck, C., Balthasar, H.: "Formation of a penumbra in a decaying sunspot, A&A, 522L, 7 (2013)
  5. Ruiz Cobo, B., Puschmann, K. G.: “Twist, Writhe, and Helicity in the Inner Penumbra of a Sunspot”, ApJ 745, 141 (2012)
  6. Puschmann, K. G., Ruiz Cobo, B., Martínez Pillet, V.: “The Electrical Current Density Vector in the Inner Penumbra of a Sunspot”, ApJ 721, L58 (2010)
  7. Puschmann, K. G., Ruiz Cobo, B., Martínez Pillet, V.: “A Geometrical Height Scale for Sunspot Penumbrae”, ApJ 720, 1417 (2010)
  8. Sobotka, M. & Puschmann, K. G.: “Morphology and evolution of umbral dots and their sub-structures”, A&A 504, 575 (2009)
  9. Martínez Pillet, V., Katsukawa, Y., Puschmann, K. G., Ruiz Cobo, B.: “Supersonic continuation of the Evershed flow outside a Sunspot as observed with Hinode”, ApJL 701, 79 (2009)
  10. Sánchez Cuberes, M., Puschmann, K. G., Wiehr, E.: “Spectropolarimetry of a sunspot at disk centre”, A&A 440, 345 (2005)
  11. Bello González, N., Okunev, O. V., Domínguez Cerdeña, I., Kneer, F., Puschmann, K. G.: “Polarimetry of sunspot penumbrae with high spatial resolution”, A&A 434, 317 (2005)
 

Connection Photosphere – Chromosphere

  1. Beck, C., Rezaei, R., Puschmann, K.G., Fabbian, D.: "Spectroscopy at the solar limb: II. Are spicules heated to coronal temperatures?", Sol. Phys.  Vol. 291, Issue 8, 2281 (2016)
  2. Puschmann. K.G.: "Spicules and thier on-disk counterparts, the main driver for solar chromospheric heating?", arXiv e-print 2016arXiv160205185P (2016)
  3. Beck. C, Rezaei, R., Puschmann, K.G.: “Can spicules be detected on disc center in broad-band Ca II H filter imaging data?”, A&A, 556, A127 (2013)
  4. Gömöry, P., Balthasar, H., Puschmann, K.G.: "Evidence of quiet Sun chromospheric activity related to an emerging smale-scale magnetic loop", A&A, 556, A7 (2013)
  5. Beck, C., Rezaei, R., Puschmann, K.G.: “The energy of waves in the photosphere and lower chromosphere: IV. Inversion results of Ca II H spectra”, A&A, 533, A73 (2013)
  6. Beck, C., Rezaei, R, Puschmann, K.G.: “The energy of waves in the photosphere and lower chromosphere: III. Inversion setup for Ca II H spectra in local thermal equilibrium”, A&A 549, 24 (2013)
  7. Beck, C., Rezaei, R., Puschmann, K. G.: “The energy of waves in the photosphere and lower chromosphere. II. Intensity statistics”, A&A 544, 46 (2012)
  8. Sánchez-Andrade Nuño, B., Bello González, N., Blanco Rodríguez, J., Kneer, F., Puschmann, K. G.: “Fast events and waves in an active region of the Sun observed in Hα with high spatial resolution”, A&A 486, 577 (2008)
  9. Sánchez-Andrade Nuño, B., Centeno, R., Puschmann, K. G., Trujillo Bueno, J., Blanco Rodríguez, J., Kneer, F.: “Spicule emission profiles observed in He I10830”, A&A 272, 51 (2007)
  10. Sánchez-Andrade Nuño, B., Puschmann, K. G., Kneer, F.: “Observation of a flaring region in Hα”, in Modern Solar Facilities - Advanced Solar Science, ed. F. Kneer, K. G. Puschmann, A. D. Wittmann, Universitätsverlag Göttingen, MSFA Conf., 273 (2007)
 

Quiet Sun

  1. Beck, C., Fabbian, D., Moreno Insertis, F., Puschmann, K. G., Rezaei, R.: “Thermodynamic fluctuations in solar photospheric three-dimensional convection simulations and observations”, A&A 557, A109 (2013)
  2. Puschmann, K. G., Kneer, F., Domínguez Cerdeña, I.: “Dynamics of the quiet photosphere and its magnetic field under high spatial resolution”; in: Modern Solar Facilities - Advanced Solar Science, ed. F. Kneer, K. G. Puschmann, A. D. Wittmann, Universitätsverlag Göttingen, MSFA Conf., 151 (2007)
  3. Puschmann, K. G., Ruiz Cobo, B., Vázquez, M., Bonet, J. A., Hanslmeier, A.: “Time series of high resolution photospheric spectra in a quiet region of the sun; II. Analysis of the variation of physical quantities”, A&A 441, 1157 (2005)
  4. Okunev, O. V., Domínguez Cerdeña, I., Puschmann, K. G., Kneer, F., Sánchez Almeida, J.: “Quiet Sun Magnetic Fields vs. Polar Faculae – Local vs. Global Dynamo?”, Astron. Nachr./AN 328, 205 (2005)
  5. Puschmann, K. G., Vázquez, M., Bonet, J. A., Ruiz Cobo, B., Hanslmeier, A.: “Time series of high resolution photospheric spectra in a quiet region of the sun. I. Analysis of global and spatial variations of line parameters”, A&A 408, 363 (2003)
  6. Puschmann, K. G., Ruiz Cobo, B., Vázquez, M., Bonet, J. A., Hanslmeier, A.: “Models of a mean granular cell”, Astron. Nachr./AN 324, 352 (2003)
  7. Gadun, A. S., Hanslmeier, A., Pikalov, K. N., Ploner, S. R. O., Puschmann,K. G., Solanki, S. K.: “Size-dependent properties of simulated 2-D solar granulation”, A&A Suppl. 146, 267 (2000)

 

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