
Open Access statistics for National Astronomical Observatory of Japan, Japan, covering academic research published from 2000 to 2024. Read More.
Open Access Percentage
77%
Total
Publications
13K
Total Open
Publications
10K
Total
Citations
521K
Open Access
Percentage
77%
Total
Publications
13K
Total Open
Publications
10K
Total
Citations
521K
Breakdown
Publisher Open
20%
Both
48%
Other Platform Open
8%
Closed
24%
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 66%
5.9K
Hybrid 6%
569
No Guarantees 28%
2.5K
Other Platform Open
Preprint 87%
6.6K
Institution 34%
2.6K
Other Internet 2%
166
Domain 1%
70
Public 1%
39
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
arXiv | Preprint | 6.7K |
Le Centre pour la Communication Scientifique Directe - HAL - Diderot | Institution | 826 |
DANS - Data Archiving and Networked Services | Institution | 691 |
U.S. Department of Energy Office of Scientific and Technical Information - OSTI OAI | Institution | 635 |
Spanish National Research Council (CSIC - DIGITAL.CSIC) | Institution | 230 |
King's College London - Research Portal | Institution | 185 |
California Institute of Technology - The Caltech Institute Archives | Institution | 156 |
AECID Library - Americanae | Institution | 154 |
University of Groningen / Centre for Information Technology - University of Groningen research database | Institution | 140 |
Massachusetts Institute of Technology - DSpace@MIT | Institution | 140 |