European Southern Observatory

European Southern Observatory

The European Organisation for Astronomical Research in the Southern Hemisphere, commonly referred to as the European Southern Observatory, is an intergovernmental research organisation made up of 16 member states for ground-based astronomy. Derived from Wikipedia licensed CC-BY-SA.

Open Access statistics for European Southern Observatory, Chile, covering academic research published from 2000 to 2024. Read More.


Open Access Percentage

93%


Total
Publications

5.3K


Total Open
Publications

5K


Total
Citations

277K


Open Access
Percentage

93%


Total
Publications

5.3K


Total Open
Publications

5K


Total
Citations

277K

Wikipedia

Website

download

Breakdown

14% 73% 5% 8%

Publisher Open

14%

Both

73%

Other Platform Open

5%

Closed

8%

Percentage of Open Access over time

0%10%20%30%40%50%60%70%80%90%100%
2000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024

Publisher Open

Both

Other Platform Open

Closed

Volume of Open Access over time

050100150200250300Total Publications
2000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024

Open

Closed

Publisher Open

48%OA Journal

OA Journal 48%

2.1K

Hybrid 7%

306

No Guarantees 45%

2K

Other Platform Open

Preprint 85%

3.6K

Institution 58%

2.4K

Other Internet 2%

83

Public 0%

21

Domain 0%

14

Other Platform Locations

Name

Platform Type

Publications

arXiv
Preprint
3.6K
Le Centre pour la Communication Scientifique Directe - HAL - Diderot
Institution
1K
Royal Netherlands Academy of Arts and Sciences
Institution
482
Belarussian State Pedagogical University Named After Maxim Tank
Institution
429
aecid.es OAI-PMH Repository
Institution
426
University of Liège
Institution
247
Consejo Superior de Investigaciones Científicas
Institution
219
Chiba Institute of Technology
Institution
197
Office of Scientific and Technical Information
Institution
192
King's College London
Institution
167
1 / 16

Data updated 18 August 2025

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