Centro de Astrofísica da Universidade do Porto

Centro de Astrofísica da Universidade do Porto

The Centro de Astrofísica da Universidade do Porto is a private, non-profit scientific association, recognized as being of public utility by the Portuguese Government. It was created in May of 1989 by the Universidade do Porto. Derived from Wikipedia licensed CC-BY-SA.

Open Access statistics for Centro de Astrofísica da Universidade do Porto, Portugal, covering academic research published from 2000 to 2025. Read More.


Open Access Percentage

90%


Total
Publications

4.2K


Total Open
Publications

3.8K


Total
Citations

242K


Open Access
Percentage

90%


Total
Publications

4.2K


Total Open
Publications

3.8K


Total
Citations

242K

Wikipedia

Website

download

Breakdown

10% 64% 16% 10%

Publisher Open

10%

Both

64%

Other Platform Open

16%

Closed

10%

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

050100150200250300Total Publications
20002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025

Open

Closed

Publisher Open

83%OA Journal

OA Journal 83%

2.5K

Hybrid 7%

222

No Guarantees 10%

293

Other Platform Open

Preprint 76%

2.5K

Institution 65%

2.1K

Other Internet 14%

458

Public 2%

61

Domain 1%

43

Other Platform Locations

Name

Platform Type

Publications

arXiv
Preprint
2.6K
Le Centre pour la Communication Scientifique Directe - HAL - Diderot
Institution
698
DOI
Other Internet
462
Royal Netherlands Academy of Arts and Sciences
Institution
297
Office of Scientific and Technical Information
Institution
280
University of Groningen
Institution
275
doaj.org OAI-PMH Repository
Institution
270
University of Liège
Institution
238
Consejo Superior de Investigaciones Científicas
Institution
221
University of Birmingham
Institution
195
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Data updated 12 August 2026

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