All Business Session elections and voting have been finalised for the XXXI General Assembly Business Sessions of the International Astronomical Union (IAU). We now have new names for the Special Nominating Committee (SNC), for the Membership Committee (MC) for the Finance Committee and for the Resolutions Committee. 

Four new Resolutions were adopted through subsequent online voting:

1. Resolution B1 in support of the protection of geodetic radio astronomy against radio frequency interference

   1. 2409 (95.2%) voted in favour

   2. 12 (0.5%) voted against 

   3. 109 (4.3%) abstained

2. Resolution B2 on the improvement of the Earth’s rotation theories and models.

   1. 2163 (85.5%) voted in favour

   2. 22 (0.9%) voted against 

   3. 345 (13.6%) abstained

3. Resolution B3 on the Gaia Celestial Reference Frame.

   1. 2270 (89.7%) voted in favour

   2. 21 (0.8%) voted against 

   3. 239 (9.4%) abstained

4. Resolution B4 on the use of a standard photometric system in ultraviolet (UV) astronomy.

   1. 2054 (81.2%) voted in favour

   2. 90 (3.6%) voted against 

   3. 386 (15.3%) abstained

French translations will appear on the IAU Resolutions page as soon as they are available. 

The scientific sessions of the XXXI General Assembly will take place in Busan in August 2022.

More information

The IAU is the international astronomical organisation that brings together more than 12 000 active professional astronomers from more than 100 countries worldwide. Its mission is to promote and safeguard astronomy in all its aspects, including research, communication, education and development, through international cooperation. The IAU also serves as the internationally recognised authority for assigning designations to celestial bodies and the surface features on them. Founded in 1919, the IAU is the world's largest professional body for astronomers.

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Madeleine Smith-Spanier
Database Manager
Paris, France
Tel: +33 1 43 25 83 58
Email: smith@iap.fr    

José Miguel Rodriguez Espinosa
General Secretary
Email: IAU-general.secretary@iap.fr  

Lars Lindberg Christensen
IAU Press Officer
Cell: +1 520 461 0433
Email: lars.christensen@noirlab.edu