Smithsonian Astrophysical Observatory

Smithsonian Astrophysical Observatory

The Smithsonian Astrophysical Observatory is a research institute of the Smithsonian Institution, concentrating on astrophysical studies including galactic and extragalactic astronomy, cosmology, solar, earth and planetary sciences, theory and instrumentation, using observations at wavelengths from the highest energy gamma rays to the radio, along with gravitational waves. Derived from Wikipedia licensed CC-BY-SA.

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


Open Access Percentage

77%


Total
Publications

2.1K


Total Open
Publications

1.6K


Total
Citations

110K


Open Access
Percentage

77%


Total
Publications

2.1K


Total Open
Publications

1.6K


Total
Citations

110K

Wikipedia

Website

download

Breakdown

13% 57% 6% 24%

Publisher Open

13%

Both

57%

Other Platform Open

6%

Closed

24%

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

0102030405060708090100110120130Total Publications
20002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025

Open

Closed

Publisher Open

84%OA Journal

OA Journal 84%

1.2K

Hybrid 4%

64

No Guarantees 12%

172

Other Platform Open

Preprint 83%

1.1K

Institution 42%

555

Other Internet 9%

126

Public 2%

20

Domain 1%

18

Other Platform Locations

Name

Platform Type

Publications

arXiv
Preprint
1.1K
Le Centre pour la Communication Scientifique Directe - HAL - Diderot
Institution
125
DOI
Other Internet
125
Office of Scientific and Technical Information
Institution
94
doaj.org OAI-PMH Repository
Institution
87
LA Referencia
Institution
30
California Institute of Technology
Institution
30
Unknown Repository
Other Internet
29
aecid.es OAI-PMH Repository
Institution
27
University of Groningen
Institution
25
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Data updated 12 August 2026

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