
Leiden Observatory is an astronomical institute of Leiden University, in the Netherlands. Established in 1633 to house the quadrant of Willebrord Snellius, it is the oldest operating university observatory in the world, with the only older still existing observatory being the Vatican Observatory. Derived from Wikipedia licensed CC-BY-SA.
Open Access statistics for Leiden Observatory, Netherlands, covering academic research published from 2000 to 2024. Read More.
Open Access Percentage
81%
Total
Publications
2.2K
Total Open
Publications
1.7K
Total
Citations
119K
Open Access
Percentage
81%
Total
Publications
2.2K
Total Open
Publications
1.7K
Total
Citations
119K
Breakdown
Publisher Open
13%
Both
59%
Other Platform Open
7%
Closed
21%
Percentage of Open Access over time
Publisher Open
Both
Other Platform Open
Closed
Volume of Open Access over time
Open
Closed
Publisher Open
OA Journal 52%
767
Hybrid 5%
75
No Guarantees 43%
621
Other Platform Open
Preprint 84%
1.2K
Institution 54%
783
Other Internet 1%
16
Domain 1%
14
Public 1%
8
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
arXiv | Preprint | 1.3K |
Royal Netherlands Academy of Arts and Sciences | Institution | 485 |
Le Centre pour la Communication Scientifique Directe - HAL - Diderot | Institution | 244 |
Chiba Institute of Technology | Institution | 71 |
universiteitleiden.nl OAI-PMH Repository | Institution | 63 |
University of Liège | Institution | 56 |
King's College London | Institution | 45 |
University of Groningen | Institution | 41 |
ETH Zurich | Institution | 41 |
Consejo Superior de Investigaciones Científicas | Institution | 40 |