Member States

ESO, the European Organisation for Astronomical Research in the Southern Hemisphere, is an inter-governmental organisation with 15 Member States*. These member states are:

 

Country

Formally joined

Member number

Scale of contribution % (2013)

Contribution (kEUR, 2013)

More info

ESON mini-site

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Austria
Austria
14
2.53
3,353
ESO & Austria
Belgium
Belgium
1967
Founding member
3.20
4,241
Brazil
Brazil
15

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Czechrepublic
Czech Republic
13
1.05
1,392
 
Denmark
Denmark
1967
6
2.04
2,704
ESO & Denmark
Finland
Finland
11
1.55
2,054
 
France
France
1964
Founding member
16.39
21,721
Germany
Germany
1964
Founding member
22.78
30,190
Italy
Italy
1982
8
11.68
15,479
 
Netherlands
Netherlands
1964
Founding member
5.27
6,984
 
Portugal
Portugal
9
1.17
1,551
Spain
Spain
12
7.99
10,589
Sweden
Sweden
1964
Founding member
3.55
4,705
 
Switzerland
Switzerland
1982
7
4.52
5,990
 
United Kingdom
United Kingdom
10
16.28
21,574
 
 
Total 132,527
 

* Brazil is in the process of ratifying its membership in parliament.