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- Publications
- Influence
Report of the IAU/IAG Working Group on cartographic coordinates and rotational elements: 2006
- P. K. Seidelmann, B. Archinal, +12 authors I. Williams
- Physics
- 3 July 2007
Every three years the IAU/IAG Working Group on Cartographic Coordinates and Rotational Elements revises tables giving the directions of the poles of rotation and the prime meridians of the planets,… Expand
Report of the IAU Working Group on Cartographic Coordinates and Rotational Elements: 2009
- B. Archinal, M. A’Hearn, +14 authors I. Williams
- Mathematics
- 1 February 2011
Every three years the IAU Working Group on Cartographic Coordinates and Rotational Elements revises tables giving the directions of the poles of rotation and the prime meridians of the planets,… Expand
Subsurface Radar Sounding of the South Polar Layered Deposits of Mars
- J. Plaut, G. Picardi, +21 authors P. Edenhofer
- Geology, Medicine
- Science
- 6 April 2007
The ice-rich south polar layered deposits of Mars were probed with the Mars Advanced Radar for Subsurface and Ionospheric Sounding on the Mars Express orbiter. The radar signals penetrate deep into… Expand
The Comet Nucleus Sounding Experiment by Radiowave Transmission (CONSERT): A Short Description of the Instrument and of the Commissioning Stages
- W. Kofman, A. Herique, +12 authors V. Svedhem
- Geology
- 12 January 2007
The primary scientific goal of the CONSERT experiment on the Rosetta space mission is to investigate the deep interior of the nucleus of comet 67/P Churyumov-Gerasimenko. This will be achieved… Expand
Resistance to the Motion of a Small Sphere Moving Through a Gas
- M. J. Baines, I. Williams, A. S. Asebiomo, R. L. Agacy
- Physics
- 1 July 1965
Surface reflectance properties of distant Solar system bodies
- S. F. Green, N. McBride, D.P.O. Ceallaigh, A. Fitzsimmons, I. Williams, M. Irwin
- Physics
- 1 September 1997
The recent discoveries of over 40 new objects with orbits beyond 30 au represent the first sampling of a reservoir of objects lying beyond Neptune, known as the Kuiper Belt (or Edgeworth-Kuiper… Expand
A spectroscopic survey of D-type asteroids
- A. Fitzsimmons, M. Dahlgren, C. Lagerkvist, P. Magnusson, I. Williams
- Physics
- 1 February 1994
We present CCD spectra of 19 asteroids previously classified as D-type covering the wavelength range 3500≤λ≤9600 A. A comparison with previously published photometric data shows excellent agreement.… Expand
- 40
- 4
The Quadrantid meteoroid stream and Comet 1491I
- I. Williams, Zidian Wu
- Physics
- 1 October 1993
Although the Quadrantid meteor shower is one of the major regular showers, producing reliable displays every January, it is almost unique amongst the main showers in still not having an associated… Expand
The Taurid complex meteor showers and asteroids
- V. Porubčan, L. Kornoš, I. Williams
- Physics
- 1 June 2006
The structure of the Taurid meteor complex based on photographic orbits available in the IAU Meteor database is studied. We have searched for potential sub-streams or filaments to be associated with… Expand
- 29
- 4