Calar Alto Observatory

Calar Alto Observatory

The Calar Alto Observatory is an astronomical observatory located in Almería province in Spain on Calar Alto, a 2,168-meter-high mountain in the Sierra de Los Filabres subrange of the Sierra Nevada. Derived from Wikipedia licensed CC-BY-SA.

Open Access statistics for Calar Alto Observatory, Spain, covering academic research published from 2000 to 2025. Read More.


Open Access Percentage

90%


Total
Publications

525


Total Open
Publications

473


Total
Citations

30K


Open Access
Percentage

90%


Total
Publications

525


Total Open
Publications

473


Total
Citations

30K

Wikipedia

Website

download

Breakdown

11% 74% 5% 10%

Publisher Open

11%

Both

74%

Other Platform Open

5%

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

05101520253035Total Publications
20002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025

Open

Closed

Publisher Open

85%OA Journal

OA Journal 85%

378

Hybrid 2%

10

No Guarantees 13%

58

Other Platform Open

Preprint 78%

326

Institution 67%

281

Other Internet 8%

32

Domain 1%

5

Public 0%

2

Other Platform Locations

Name

Platform Type

Publications

arXiv
Preprint
328
Asklepios Klinik St. Georg
Institution
102
Consejo Superior de Investigaciones Científicas
Institution
91
Universidad Complutense de Madrid
Institution
80
LA Referencia
Institution
69
Le Centre pour la Communication Scientifique Directe - HAL - Diderot
Institution
30
University of Groningen
Institution
28
DOI
Other Internet
28
Chiba Institute of Technology
Institution
23
Royal Netherlands Academy of Arts and Sciences
Institution
20
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Data updated 18 June 2026

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