National Solar Observatory

National Solar Observatory

The National Solar Observatory is a United States federally funded research and development center for solar physics headquartered in Boulder, Colorado. It was founded in 1984 and is operated by the Association of Universities for Research in Astronomy. Derived from Wikipedia licensed CC-BY-SA.

Open Access statistics for National Solar Observatory, United States, covering academic research published from 2000 to 2025. Read More.


Open Access Percentage

66%


Total
Publications

2K


Total Open
Publications

1.3K


Total
Citations

57K


Open Access
Percentage

66%


Total
Publications

2K


Total Open
Publications

1.3K


Total
Citations

57K

Wikipedia

Website

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Breakdown

24% 34% 7% 35%

Publisher Open

24%

Both

34%

Other Platform Open

7%

Closed

35%

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

020406080100120140Total Publications
20002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025

Open

Closed

Publisher Open

73%OA Journal

OA Journal 73%

812

Hybrid 11%

121

No Guarantees 16%

179

Other Platform Open

Preprint 67%

538

Institution 54%

434

Other Internet 8%

60

Domain 3%

21

Public 1%

10

Other Platform Locations

Name

Platform Type

Publications

arXiv
Preprint
541
doaj.org OAI-PMH Repository
Institution
132
DOI
Other Internet
83
Office of Scientific and Technical Information
Institution
67
Le Centre pour la Communication Scientifique Directe - HAL - Diderot
Institution
62
Consejo Superior de Investigaciones Científicas
Institution
46
University of Oslo
Institution
41
Queen's University Belfast
Institution
32
Chiba Institute of Technology
Institution
32
Durham University
Institution
26
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Data updated 12 August 2026

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