Publications of H. U. Keller

Keller, H. U.: Results of the space missions to comet Halley. Current Science 66, pp. 603 - 611 (1994)

Keller, H. U.; Knollenberg, J.; Markiewicz, W. J.: Collimation of cometary dust jets and filaments. Planetary and Space Science 42, pp. 367 - 382 (1994)

Kührt, E.; Keller, H. U.: The formation of cometary surface crusts. Icarus 109, pp. 121 - 132 (1994)

Grün, E.; Gebhard, L.; Benkhoff, J.; Düren, H.; Eich, G.; Hische, R.; Keller, H. U.; Kochan, H.; Kölzer, G.; Kührt, E. et al.; Lämmerzahl, P.; Lorez, E.; Markiewicz, W. J.; Möhlmann, D.; Oehler, A.; Scholz, J.; Seidensticker, K.; Roessler, K.; Steiner, G.; Thiel, K.; Thomas, H.: Development of a dust mantle on the surface of an isolated ice-dust mixture: Initials results from KOSI-9 experiment. Journal Geophysical Research 98 (E8), pp. 15091 - 15104 (1993)

Keller, H. U.; Blum, J.; Donn, B.; Goresy, A. E.; Fechtig, H.; Feuerbacher, B. P.; Grün, E.; Ip, W. -. H.; Kochan, H.; Mann, I. et al.; Markiewicz, W. J.; Metzler, K.; Morfill, G. E.; Ratke, L.; Rott, M.; Schwehm, G.; Weidenschilling, S. J.: CODAG - Dust agglomeration experiment in micro-gravity. Advances in Space Research 13 (7), pp. 73 - 76 (1993)

Keller, H. U.; Markiewicz, W. J.: KOSI? Geophysical Research Letters 18 (2), pp. 249 - 252 (1991)

Kochan, H.; Markiewicz, W. J.; Keller, H. U.: KOSI: Gas drag derived from ice/dust-particle trajectories. Geophysical Research Letters 18 (2), pp. 273 - 276 (1991)

Richter, K.; Curdt, W.; Keller, H.-U.: Velocity of individual large dust particles ejected from comet P/Halley. Astronomy and Astrophysics 250, pp. 548 - 555 (1991)

Curdt, W.; Keller, H.-U.: Large dust particles along the Giotto trajectory. Icarus 86, pp. 305 - 313 (1990)

Curdt, W.; Wilhelm, K.; Craubner, A.; Krahn, E.; Keller, H.-U.: Position of comet P/Halley at the Giotto encounter. Astronomy and Astrophysics 191, pp. 1 - 3 (1988)

Keller, H. U.; Kramm, R.; Thomas, N.: Surface features on the nucleus of comet Halley. Nature 331 (6153), pp. 227 - 231 (1988)

Keller, H. U.; Delamere, W. A.; Huebner, W. F.; Reitsema, H. J.; Schmidt, H. U.; Whipple, F. L.; Wilhelm, K.; Curdt, W.; Kramm, R.; Thomas, N. et al.; Arpigny, C.; Barbieri, C.; Bonnet, R. M.; Cazes, S.; Coradini, M.; Cosmovici, C. B.; Hughes, D. W.; Jamar, C.; Malaise, D.; Schmidt, K.; Schmidt, W. K. H.; Seige, P.: Comet P/Halley's nucleus and its activity. Astronomy and Astrophysics 187, pp. 807 - 823 (1987)

Keller, H. U.; Kramm, J. R.; Thomas, N.; Craubner, H.; Mikusch, E.; Schwarz, G.: Images of the GIOTTO fly-by of comet Halley. Bulletin of the American Society 19, p. 878 ff. (1987)

Keller, H. U.; Schmidt, W. K. H.; Wilhelm, K.; Becker, C.; Curdt, W.; Engelhardt, W.; Hartwig, H.; Kramm, J. R.; Schmidt, R.; Gliem, F. et al.; Krahn, E.; Schmidt, H. P.; Schwarz, G.; Turner, J. J.; Bouyries, P.; Cazes, S.; Angrilli, F.; Bianchini, G.; Fanti, G.; Brunello, P.; Delamere, A.; Reitsema, H.; Jamar, C.; Cucchiaro, A.: The Halley multicolour camera. J. Phys. E: Sci. Instrum. 20, pp. 807 - 820 (1987)

Kramm, J. R.; Möhring, W.; Keller, H. U.: Image restauration using the Point Spread Function of the Halley Multicolour Camera. Geophysical Research Letters 14 (7), pp. 677 - 680 (1987)

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 P/Halley. Astronomy and Astrophysics 187, pp. 847 - 851 (1987)

Keller, H. U.; Arpigny, C.; Barbieri, C.; Bonnet, R. M.; Cazes, S.; Coradini, M.; Cosmovici, C. B.; Delamere, W. A.; Huebner, W. F.; Hughes, D. W. et al.; Jamar, C.; Malaise, D.; Reitsema, H. J.; Schmidt, H. U.; Schmidt, W. K. H.; Seige, P.; Whipple, F. L.; Wilhelm, K.: First Halley multicolour camera imaging results from Giotto. Nature 321, pp. 320 - 326 (1986)

Kramm, J. R.; Keller, H. U.: Der Kern des Kometen: Halley aus der Nähe betrachtet. Elektronik 11, pp. 10 - 11 (1986)

Axford, W. I.; Keller, H. U.: Are comets dirty snowballs or dust swarms? Nature 273, pp. 427 - 428 (1978)

Keller, H. U.; Curdt, W.; Kramm, J.-R.; Thomas, N.: Images of the nucleus of Comet Halley. ESA Publ. Div., Noordwijk (1995), 254 pp.