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

272K


Open Access
Percentage

93%


Total
Publications

5.3K


Total Open
Publications

5K


Total
Citations

272K

Wikipedia

Website

download

Breakdown

13% 75% 5% 7%

Publisher Open

13%

Both

75%

Other Platform Open

5%

Closed

7%

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

45%OA Journal

OA Journal 45%

2.1K

Hybrid 8%

387

No Guarantees 47%

2.2K

Other Platform Open

Preprint 86%

3.7K

Institution 59%

2.5K

Other Internet 7%

303

Public 1%

46

Domain 0%

15

Other Platform Locations

Name

Platform Type

Publications

arXiv
Preprint
3.8K
Le Centre pour la Communication Scientifique Directe - HAL - Diderot
Institution
984
AECID Library - Americanae
Institution
488
DANS - Data Archiving and Networked Services
Institution
472
Belarusian State Pedagogical University - Belarusian State Pedagogical University repository
Institution
423
Unknown Repository
Other Internet
272
University of Liège - Open Repository and Bibliography
Institution
251
Spanish National Research Council (CSIC - DIGITAL.CSIC)
Institution
232
uchile.cl OAI-PMH Repository
Institution
209
U.S. Department of Energy Office of Scientific and Technical Information - OSTI OAI
Institution
195
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Data updated 18 August 2025

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