Blum, J.; Henning, T.; Cabane, M.; Fonda, M.; Giovane, F.; Gustafson, B. A. S.; Keller, H. U.; Markiewicz, W. J.; Levasseur-Regourd, A.-C.; Worms, J.-C.et al.; Nuth, J. A.; Rogers, F.: The concept of a facility for cosmic dust research on the international space station. In: Proc. ESA Symp. on Space Station Utilisation, Darmstadt, 1996, pp. 303 - 308. ESA Publ. Div., Noordwjk (1996)
Markiewicz, W. J.; Keller, H. U.; Petrova, E.; Thomas, N.; Wuttke, M. W.: Water ice in the Martian atmosphere as derived from the PHOBOS/KRFM data. In: LPI Technical Report Number 96-01, Part 1, pp. 32 - 33 (Eds. Jakowsky, B.; Treiman, A.). Lunar and Planetary Institute, Houston, Texas, USA (1996)
Trilling, D.; Keller, H. U.; Rauer, H.; Schulz, R.; Thomas, N.: Observations of Comet Shoemaker-Levy 9 in Johnson B, V, R, and I from Calar Alto Observatory in early June, 1994. In: Proc. Eur. SL-9/Jupiter Workshop, pp. 37 - 41 (Eds. West, R.; Böhnhardt, H.). European Southern Observatory, Garching (1995)
Michels, D. J.; Schwenn, R.; Howard, R. A.; Bartoe, J.-D. F.; Antiochos, S. K.; Brueckner, G. E.; Cheng, C.-C.; Dere, K. P.; Doschek, G. A.; Mariska, J. T.et al.; Sheeley Jr., N. R.; Socker, D. G.; Daly, P. W.; Inhester, B.; Keller, H.-U.; Kramm, J. R.; Rosenbauer, H.; Lamy, P.; Llebaria, A.; Maucherat, A.; Parker, E. N.; Kahler, S. W.; Koutchmy, S. L.; Smartt, R. N.; Wagner, W. J.; Bougeret, J.-L.; Pick, M.; Noens, J.-C.; Giese, R. H.; Koomen, M. J.; Giovane, F.; Misconi, N. Y.; Simnett, G. M.; Eyles, C.; Bedford, D.; Priest, E.; Lallement, R.: 'LASCO' - A wide-field white light and spectrometric coronagraph for SOHO. In: The SOHO Mission, pp. 55 - 61. ESA Publications Division, ESTEC, Noordwijk, Holland (1989)
Kramm, J. R.; Keller, H. U.: An FFT method to optimise the removal of coherent noise in small and large images. In: Image Processing II, pp. 180 - 184. (1988)
Kramm, J. R.; Keller, H. U.; Thomas, N.: The dynamic range of individual images improved by cross-correlation. In: Image Processing II, pp. 174 - 179. SPIE (1988)
Thomas, N.; Kramm, J. R.; Keller, H. U.: Video of Giotto's encounter with comet P/Halley. In: Dust in the universe, pp. 161 - 167 (Eds. Bailey, M. E.; Williams, D. A.). Cambridge University Press, Cambridge (1988)
Szego, K.; Kondor, A.; Toth, I.; Sagdeev, R. Z.; Wilhelm, K.; Keller, H. U.: Reconstruction of the orientation and shape of the nucleus of Comet Halley. In: Proceedings of the International Symposium of on the Diversity and Similarity of Comets, pp. 463 - 469 (Eds. Battrick, B.; Rolfe, E. J.; Reinhard, R.). ESA Publ. Div., Noordwijk (1987)
Delamere, W. A.; Reitsema, H. J.; Huebner, W. F.; Schmidt, H. U.; Keller, H. U.; Schmidt, W. K. H.; Wilhelm, K.; Whipple, F. L.: Radiometric observations of the nucleus of Comet Halley. In: Proceedings of the 20th ESLAB Symposium on the Exploration of Halley's Comet, pp. 355 - 357 (Eds. Battrick, B.; Rolfe, E. J.; Reinhard, R.). ESA Publ. Div., Noordwijk (1986)
Keller, H. U.; Arpigny, C.; Barbieri, C.; Bonnet, R. M.; Cazes, S.; Coradini, M.; Cosmovici, C. B.; Curdt, W.; Delamere, W. A.; Huebner, W. F.et al.; Hughes, D. W.; Jamar, C.; Kramm, R.; Malaise, D.; Reitsema, H.; Schmidt, H. U.; Schmidt, K.; Schmidt, W. K. H.; Seige, P.; Whipple, F. L.; Wilhelm, K.: Observations by the Halley multicolour Camera. Proc. 20th ESLAB Symposium on the Exploration of Halley's Comet (ESA SP-250, vol. II), pp. 347 - 350 (1986)
Reitsema, H. J.; Delamere, W. A.; Huebner, W. F.; Keller, H. U.; Schmidt, W. K. H.; Wilhelm, K.; Schmidt, H. U.; Whipple, F. L.: Nucleus morphology of Comet Halley. In: Proceedings of the 20th ESLAB Symposium on the Exploration of Halley's Comet, pp. 351 - 354 (Eds. Battrick, B.; Rolfe, E. J.; Reinhard, R.). ESA Publ. Div., Noordwijk (1986)
Schmidt, W. K. H.; Keller, H. U.; Wilhelm, K.; Arpigny, C.; Barbieri, C.; Biermann, L.; Bonnet, R. M.; Cazes, S.; Cosmovici, C. B.; Delamere, W. A.et al.; Huebner, W. F.; Hughes, D. W.; Jamar, C.; Malaise, D.; Reitsema, H.; Seige, P.; Whipple, F. L.: The Giotto Halley Multicolour Camera. In: The Giotto Mission - Its Scientific Investigations, pp. 127 - 148 (Eds. Reinhard, R.; Battrick, B.). ESA Publ. Div., Noordwijk (1986)
Schwarz, G.; Craubner, H.; Delamere, A.; Göbel, M.; Gonano, M.; Huebner, W. F.; Keller, H. U.; Kramm, R.; Mikusch, E.; Reitsema, H.et al.; Whipple, F. L.; Wilhelm, K.: Detailed analysis of a surface feature on comet Halley. In: Proc. 20th ESLAB Symposium on the Exploration of Halley's Comet, Heidelberg, pp. 371 - 374. (1986)
Wilhelm, K.; Cosmovici, C. B.; Delamere, W. A.; Huebner, W. F.; Keller, H. U.; Reitsema, H.; Schmidt, H. U.; Whipple, F. L.: A three-dimensional model of the nucleus of Comet Halley. In: ESA Proceedings of the 20th ESLAB Symposium on the Exploration of Halley's Comet, pp. 367 - 369 (Eds. Battrick, B.; Rolfe, E. J.; Reinhard, R.). ESA Publ. Div., Noordwijk (1986)
Kramm, J. R.; Keller, H. U.: Getting more by taking less: A method of summing up pixels on a CCD imager. In: Advances in Electronics and Electron Physiks, pp. 193 - 203. Academic press, Inc., London (1985)
Markiewicz, W. J.; Sablotny, R. M.; Keller, H. U.; Thomas, N.; Titov, D.; Smith, P. H.: Optical properties of the Martian aerosols as derived from Imager for Mars Pathfinder midday sky brightness data. Max-Planck-Institut für Aeronomie, Katlenburg-Lindau, Germany (1998)
Thomas, N.; Markiewicz, W. J.; Sablotny, R. M.; Wuttke, M. W.; Keller, H. U.; Johnson, J. R.; Reid, R. J.; Smith, P. J.: The color of the Martian sky and its influence on the illumination of the Martian surface. Max-Planck-Institut für Aeronomie, Katlenburg-Lindau, Germany (1998)
Kramm, J. R.; Keller, H. U.; Behnke, T.: Performance degradations observed on scientific CCD imagers from Loral with erratic substrate grounding. Max-Planck-Institut für Aeronomie, Katlenburg-Lindau, Germany (1994)
Kramm, J. R.; Thomas, N.; Keller, H. U.: The CCD detectors of the Halley Multicolour Camera after seven years in flight. Max-Planck-Institut für Aeronomie, Katlenburg-Lindau, Germany (1993)
Application deadline 1 October 2024. PhD projects in planetary science, solar and stellar physics, solar magnetism, heliophysics, helioseismology, asteroseismology, ...
In analyzing solar observations from the 19th century, scientists are turning to amateur researchers for help. The project will allow to better understand the history of our star.
Astronomical teamwork: By combining data from Solar Orbiter and SDO, a group of researchers has unambiguously determined the magnetic field at the solar surface.
Application deadline 1 October 2023. PhD projects in planetary science, solar and stellar physics, solar magnetism, heliophysics, helioseismology, asteroseismology, ...
Philipp Löschl has co-authored an excellent publication on Solar Orbiter data which has been awarded best Solar Physics paper of 2022 (Gherardo Valori et al. 2022)