Year
|
Resolution
|
Language
|
Download
|
| 1922 |
All |
French
|
PDF file, 457 KB |
| 1925 |
All |
French |
PDF file, 610 KB |
| 1928 |
All |
English/French |
PDF file, 1.3 MB |
| 1932 |
All |
French |
PDF file, 655 KB |
| 1935 |
All |
French |
PDF file, 410 KB |
| 1938 |
All |
English/French |
PDF file, 1.2 MB |
| 1948 |
All |
English/French |
PDF file, 1.2 MB |
| 1958 |
All |
French |
PDF file, 499 KB |
| 1961 |
All |
English/French |
PDF file, 1.3 MB |
| 1964 |
All |
English/French |
PDF file, 925 KB |
| 1967 |
All |
English/French |
PDF file, 764 KB |
| 1970 |
All |
English/French |
PDF file, 798 KB |
| 1973 |
All |
English/French |
PDF file, 821 KB |
| 1976 |
All |
English/French |
PDF file, 1.1 MB |
| 1979 |
All |
English/French |
PDF file, 736 KB |
| 1982 |
All |
English/French |
PDF file, 948 KB |
| 1985 |
All |
English/French |
PDF file, 1.0 MB |
| 1988 |
All |
English/French |
PDF file, 763 KB |
| 1991 |
All |
English/French |
PDF file, 1.2 MB |
| 1994 |
All |
English/French |
PDF file, 1.2 MB |
| 1997 |
All |
English/French |
PDF file, 647 KB |
| 2000 |
All |
English/French |
PDF file, 931 KB |
| 2003 |
All |
English/French |
PDF file, 135 KB |
| 2006 |
Resolution B1: "Precession Theory and Definition of the Ecliptic" |
English |
PDF file, 148 KB |
| French |
PDF file, 93 KB |
| Resolution B2: "Supplement to the IAU 2000 Resolutions on reference systems" |
English |
PDF file, 68 KB |
| French |
PDF file, 79 KB |
| Resolution B3: "Re-definition of Barycentric Dynamical Time, TDB" |
English |
PDF file, 71 KB |
| French |
PDF file, 65 KB |
| Resolution B4: "Endorsement of the Washington Charter for Communicating Astronomy with the Public" |
English |
PDF file, 59 KB |
| Resolutions B5 and B6: "Definition of a Planet in the Solar System" AND "Pluto" |
English |
PDF file, 92 KB |
| French |
PDF file, 27 KB |
| All |
English |
PDF file, 260 KB |
| 2009 |
All |
English |
PDF file, 237 KB |
| French |
PDF file, 62 KB |
| 2012 |
Resolutions B1, B2, B3 and B4 |
English |
PDF file, 119 KB |
| Resolution B1: "Sur les recommendations concernant les désignations et spécifications des bandes passantes astronomiques en photométrie optique et infrarouge" |
French |
PDF file, 111 KB |
| Resolution B2: "Re-définition de l’unité astronomique de longueur" |
French |
PDF file, 123 KB |
| Resolution B3: "Sur l'établissement d'un système international d'alerte avancée des corps géocroiseurs" |
French |
PDF file, 114 KB |
| Resolution B4: "Sur la restructuration des Divisions de l'UAI" |
French |
PDF file, 107 KB |
| 2015 |
All |
English |
PDF file, 206 KB |
| French |
PDF file, 264 KB |
| 2018 |
Resolution A1: "on the IAU Strategic Plan 2020-2030" |
English |
PDF file, 96 KB |
| French |
PDF file, 71 KB |
| Resolution B1: "on Geocentric and International Terrestrial Reference Systems and Frames" |
English |
PDF file, 97 KB |
| French |
PDF file, 70 KB |
| Resolution B2: "on The Third Realization of the International Celestial Reference Frame" |
English |
PDF file, 73 KB |
| French |
PDF file, 76 KB |
| Resolution B3: "on preservation, digitization and scientific exploration of historical astronomical data" |
English |
PDF file, 96 KB |
| French |
PDF file, 64 KB |
| Resolution B4: "on suggested renaming of the Hubble Law" |
English |
PDF file, 377 KB |
| French |
PDF file, 77 KB |
| 2021 |
Resolution B1: "in support of the protection of geodetic radio astronomy against radio frequency interference" |
English |
PDF file, 180 KB |
| French |
PDF file, 209 KB |
| Resolution B2: "on the improvement of the Earth’s rotation theories and models" |
English |
PDF file, 128 KB |
| French |
PDF file, 148 KB |
| Resolution B3: "on the Gaia Celestial Reference Frame" |
English |
PDF file, 129 KB |
| French |
PDF file, 151 KB |
| Resolution B4: "on the use of a standard photometric system in ultraviolet (UV) astronomy" |
English |
PDF file, 127 KB |
| French |
PDF file, 144 KB |
| 2024 |
Resolution I: "for the Protection of the Dark and Quiet Sky from harmful interference by satellite constellations" |
English |
PDF file, 157 KB |
| Resolution II: "to establish a standard Lunar Celestial Reference System (LCRS) and Lunar Coordinate Time (TCL)" |
English |
PDF file, 310 KB |
| Resolution III: "on the establishment of a coordinated lunar time standard by international agreement" |
English |
PDF file, 196 KB |