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, Germany, covering academic research published from 2000 to 2025. Read More.


Open Access Percentage

85%


Total
Publications

10K


Total Open
Publications

8.6K


Total
Citations

644K


Open Access
Percentage

85%


Total
Publications

10K


Total Open
Publications

8.6K


Total
Citations

644K

Wikipedia

Website

download

Breakdown

10% 71% 4% 15%

Publisher Open

10%

Both

71%

Other Platform Open

4%

Closed

15%

Percentage of Open Access over time

0%10%20%30%40%50%60%70%80%90%100%
20002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025

Publisher Open

Both

Other Platform Open

Closed

Volume of Open Access over time

050100150200250300350400450500Total Publications
20002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025

Open

Closed

Publisher Open

89%OA Journal

OA Journal 89%

7.3K

Hybrid 2%

135

No Guarantees 9%

720

Other Platform Open

Preprint 82%

6.2K

Institution 63%

4.8K

Other Internet 8%

637

Public 3%

254

Domain 1%

51

Other Platform Locations

Name

Platform Type

Publications

arXiv
Preprint
6.3K
Le Centre pour la Communication Scientifique Directe - HAL - Diderot
Institution
1.3K
University of Groningen
Institution
733
Royal Netherlands Academy of Arts and Sciences
Institution
648
DOI
Other Internet
600
Durham University
Institution
495
LA Referencia
Institution
467
aecid.es OAI-PMH Repository
Institution
432
Chiba Institute of Technology
Institution
426
The University of Western Australia
Institution
387
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Data updated 12 August 2026

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