Astrophysics Data System

Astrophysics Data System - digital library portal for researchers in astronomy and physics, operated by the Smithsonian Astrophysical Observatory. This website is the 3111^th most popular in the global Wikipedia ranking of websites and the 936^th most popular website in Swedish Wikipedia. Article “Astrophysics Data System” in Swedish Wikipedia has 28.2 points for quality (as of July 1, 2026). The article contains 16 references and 5 sections.

This article has the best quality in English Wikipedia. Also, this article is the most popular in that (Swedish) language version.

Since the creation of article “Astrophysics Data System”, its content was written by 7 registered users of Swedish Wikipedia and edited by 390 registered Wikipedia users in all languages.

Astrophysics Data System is on the 936^th place in local ranking of websites in Swedish Wikipedia and on the 3111^th place in global ranking of websites in all the time.

The article is cited 21 times in Swedish Wikipedia and cited 8202 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Swedish): #5982 in August 2018
• Global: #5778 in June 2009

The highest popularity rank from 2008:

• Local (Swedish): #101272 in January 2025
• Global: #39812 in June 2009

There are 20 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2026 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	English (en) Astrophysics Data System		47.4476
2	Indonesian (id) Sistem Data Astrofisika		45.4088
3	Spanish (es) Sistema de Datos Astrofísicos		37.9402
4	Japanese (ja) 天体物理データシステム		31.9592
5	Swedish (sv) Astrophysics Data System		28.2283
6	Polish (pl) Astrophysics Data System		26.9833
7	Esperanto (eo) Astrophysics Data System		25.4304
8	French (fr) Astrophysics Data System		24.0753
9	Ukrainian (uk) Астрофізична інформаційна система НАСА		21.4873
10	Italian (it) Astrophysics Data System		20.9612

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The following table shows the most popular language versions of the article.

The most popular language versions of the article "Astrophysics Data System" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Astrophysics Data System		288 565
2	Russian (ru) Астрофизическая информационная система НАСА		63 841
3	Spanish (es) Sistema de Datos Astrofísicos		28 288
4	German (de) Astrophysics Data System		25 957
5	French (fr) Astrophysics Data System		12 566
6	Polish (pl) Astrophysics Data System		10 980
7	Chinese (zh) 天體物理數據系統		10 790
8	Italian (it) Astrophysics Data System		7 617
9	Romanian (ro) Astrophysics Data System		6 547
10	Japanese (ja) 天体物理データシステム		6 235

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The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "Astrophysics Data System" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Astrophysics Data System		681
2	Chinese (zh) 天體物理數據系統		78
3	German (de) Astrophysics Data System		62
4	Russian (ru) Астрофизическая информационная система НАСА		61
5	Spanish (es) Sistema de Datos Astrofísicos		43
6	Japanese (ja) 天体物理データシステム		27
7	French (fr) Astrophysics Data System		26
8	Armenian (hy) ՆԱՍԱ-ի Աստղաֆիզիկական տեղեկատվական համակարգ		20
9	Swedish (sv) Astrophysics Data System		12
10	Polish (pl) Astrophysics Data System		11

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The following table shows the language versions of the article with the highest Authors’ Interest.

Language versions of the article "Astrophysics Data System" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Astrophysics Data System		161
2	French (fr) Astrophysics Data System		52
3	Russian (ru) Астрофизическая информационная система НАСА		30
4	German (de) Astrophysics Data System		28
5	Spanish (es) Sistema de Datos Astrofísicos		26
6	Italian (it) Astrophysics Data System		20
7	Japanese (ja) 天体物理データシステム		10
8	Catalan (ca) Sistema de Dades Astrofísiques		8
9	Polish (pl) Astrophysics Data System		8
10	Romanian (ro) Astrophysics Data System		7

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The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

Language versions of the article "Astrophysics Data System" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Korean (ko) 천체물리학 자료시스템		1
2	Arabic (ar) نظام بيانات الفيزياء الفلكية		0
3	Catalan (ca) Sistema de Dades Astrofísiques		0
4	German (de) Astrophysics Data System		0
5	English (en) Astrophysics Data System		0
6	Esperanto (eo) Astrophysics Data System		0
7	Spanish (es) Sistema de Datos Astrofísicos		0
8	Persian (fa) سیستم داده اخترفیزیک		0
9	French (fr) Astrophysics Data System		0
10	Armenian (hy) ՆԱՍԱ-ի Աստղաֆիզիկական տեղեկատվական համակարգ		0

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The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "Astrophysics Data System" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Russian (ru) Астрофизическая информационная система НАСА		6 135
2	German (de) Astrophysics Data System		930
3	English (en) Astrophysics Data System		366
4	Romanian (ro) Astrophysics Data System		198
5	French (fr) Astrophysics Data System		158
6	Portuguese (pt) Astrophysics Data System		91
7	Ukrainian (uk) Астрофізична інформаційна система НАСА		71
8	Spanish (es) Sistema de Datos Astrofísicos		59
9	Chinese (zh) 天體物理數據系統		38
10	Italian (it) Astrophysics Data System		33

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#	Language	Value
ar	Arabic نظام بيانات الفيزياء الفلكية
ca	Catalan Sistema de Dades Astrofísiques
de	German Astrophysics Data System
en	English Astrophysics Data System
eo	Esperanto Astrophysics Data System
es	Spanish Sistema de Datos Astrofísicos
fa	Persian سیستم داده اخترفیزیک
fr	French Astrophysics Data System
hy	Armenian ՆԱՍԱ-ի Աստղաֆիզիկական տեղեկատվական համակարգ
id	Indonesian Sistem Data Astrofisika
it	Italian Astrophysics Data System
ja	Japanese 天体物理データシステム
ko	Korean 천체물리학 자료시스템
pl	Polish Astrophysics Data System
pt	Portuguese Astrophysics Data System
ro	Romanian Astrophysics Data System
ru	Russian Астрофизическая информационная система НАСА
sv	Swedish Astrophysics Data System
uk	Ukrainian Астрофізична інформаційна система НАСА
zh	Chinese 天體物理數據系統

Best Rank

Swedish: #101272 01.2025

Global: #39812 06.2009

Best Rank

Swedish: #5982 08.2018

Global: #5778 06.2009

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The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information