Publications of H. U. Keller
All genres
Journal Article (139)
81.
Journal Article
531, pp. 599 - 611 (2000)
Multiple Scattering of Hydrogen Lyman alpha Radiation in the Coma of Comet Hyakutake (C/1996B2). Astrophysical Journal 82.
Journal Article
534, pp. 446 - 455 (2000)
Observations of the trans-neptunian objects 1993 SC and 1996 TL66 with the Infrared Space Observatory. Astrophysical Journal 83.
Journal Article
534, pp. 446 - 455 (2000)
Observations of the Kuiper Belt Objects 1993 SC and 1996 TL66 with ISO. Astrophysical Journal 84.
Journal Article
48 (15), pp. 1423 - 1427 (2000)
On the optical studies of the atmospheric water vapour from the surface of Mars. Planetary and Space Science 85.
Journal Article
90, pp. 363 - 369 (1999)
Critical questions and future measurements - collated views of the workshop participants. Space Science Reviews 86.
Journal Article
104, pp. 8617 - 8636 (1999)
Morphologies of rocks within and near the Rock Garden at the Mars Pathfinder landing site. Journal Geophysical Research 87.
Journal Article
33, pp. 170 - 186 (1999)
Morphology of the APXS analyzed Rocks at the Pathfinder site. Solar System Research 88.
Journal Article
33, p. 439 (1999)
Surface material and landscape characteristics at the Mars Polar Lander Site: A consideration and prediction. Solar System Res. 89.
Journal Article
104, pp. 8523 - 8553 (1999)
Overview of the Mars Pathfinder Mission: Launch through landing, surface operations, data sets, and science results. Journal Geophysical Research 90.
Journal Article
78, pp. 81 - 83 (1999)
The infrared spectrum of comet Hale-Bopp as seen by the Infrared Space Observatory. Earth, Moon and Planets 91.
Journal Article
104, pp. 9009 - 9017 (1999)
Optical properties of the Martian aerosols as derived from Imager for Mars Pathfinder midday sky brightness data. Journal Geophysical Research 92.
Journal Article
104, pp. 9009 - 9017 (1999)
Optical properties of the Martian aerosols as derived from Imager for Mars Pathfinder midday sky brightness data. Journal Geophysical Research 93.
Journal Article
140, pp. 173 - 188 (1999)
Mass and Energy Balance in the Near-Surface Layers of a Cometary Nucleus. Icarus 94.
Journal Article
104, pp. 9055 - 9068 (1999)
Observations of Phobos, Deimos, and Bright Stars with the Imager for Mars Pathfinder. Journal Geophysical Research 95.
Journal Article
104, pp. 8795 - 8808 (1999)
The color of the Martian sky and its influence on the illumination of the Martian surface. Journal Geophysical Research 96.
Journal Article
104, pp. 9019 - 9026 (1999)
Measurements of the atmospheric water vapor on Mars by the Imager for Mars Pathfinder. Journal Geophysical Research 97.
Journal Article
21, pp. 1505 - 1515 (1998)
OSIRIS - the optical, spectroscopic and infrared remote imaging system for the Rosetta Orbiter. Advances in Space Research 98.
Journal Article
494, pp. 816 - 821 (1998)
Hubble Space Telescope ultraviolet imaging and high-resolution spectroscopy of water photodissociation products in comet Hyakutake (C/1996 B2). Astrophysical Journal 99.
Journal Article
47 (5), pp. 1112 - 1118 (1998)
The CCD imager electronics of the Mars Pathfinder and Mars Surveyor cameras. IEEE Trans. Instr. Meas. 100.
Journal Article
339, pp. L9 - L12 (1998)
Evidence for water ice and estimate of dust production rate in comet Hale-Bopp at 2.9 AU from the Sun. Astronomy and Astrophysics