Jan Woltjer (astronomer)

Jan Woltjer - Dutch astronomer (1891-1946). Article “Jan Woltjer (astronomer)” in English Wikipedia has 11.2 points for quality (as of July 1, 2025). The article contains 1 references and 2 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 0.59 points.

This article has the best quality in Spanish Wikipedia. However, this article is the most popular in English version.

Since the creation of article “Jan Woltjer (astronomer)”, its content was written by 20 registered users of English Wikipedia and edited by 47 registered Wikipedia users in all languages.

The article is cited 8 times in English Wikipedia and cited 42 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #215118 in July 2016
• Global: #190856 in January 2010

The highest popularity rank from 2008:

• Local (English): #1724386 in December 2009
• Global: #2330303 in March 2008

There are 6 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, 2025 (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	Spanish (es) Jan Woltjer (astrónomo)		24.3626
2	English (en) Jan Woltjer (astronomer)		11.1577
3	Dutch (nl) Jan Woltjer (astronoom)		10.1686
4	Japanese (ja) ヤン・ヴォルチェ		8.0815
5	French (fr) Jan Woltjer (astronome)		7.8233
6	Chinese (zh) 扬·沃尔切尔		5.5086

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

The most popular language versions of the article "Jan Woltjer (astronomer)" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Jan Woltjer (astronomer)		9 548
2	Japanese (ja) ヤン・ヴォルチェ		4 259
3	Dutch (nl) Jan Woltjer (astronoom)		3 027
4	Chinese (zh) 扬·沃尔切尔		709
5	Spanish (es) Jan Woltjer (astrónomo)		243
6	French (fr) Jan Woltjer (astronome)		217

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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 "Jan Woltjer (astronomer)" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Jan Woltjer (astronomer)		54
2	Dutch (nl) Jan Woltjer (astronoom)		17
3	Chinese (zh) 扬·沃尔切尔		15
4	French (fr) Jan Woltjer (astronome)		12
5	Spanish (es) Jan Woltjer (astrónomo)		9
6	Japanese (ja) ヤン・ヴォルチェ		6

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

Language versions of the article "Jan Woltjer (astronomer)" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Jan Woltjer (astronomer)		20
2	Dutch (nl) Jan Woltjer (astronoom)		12
3	Japanese (ja) ヤン・ヴォルチェ		8
4	Chinese (zh) 扬·沃尔切尔		4
5	French (fr) Jan Woltjer (astronome)		2
6	Spanish (es) Jan Woltjer (astrónomo)		1

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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 "Jan Woltjer (astronomer)" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	English (en) Jan Woltjer (astronomer)		0
2	Spanish (es) Jan Woltjer (astrónomo)		0
3	French (fr) Jan Woltjer (astronome)		0
4	Japanese (ja) ヤン・ヴォルチェ		0
5	Dutch (nl) Jan Woltjer (astronoom)		0
6	Chinese (zh) 扬·沃尔切尔		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 "Jan Woltjer (astronomer)" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Dutch (nl) Jan Woltjer (astronoom)		11
2	English (en) Jan Woltjer (astronomer)		8
3	French (fr) Jan Woltjer (astronome)		7
4	Chinese (zh) 扬·沃尔切尔		7
5	Japanese (ja) ヤン・ヴォルチェ		6
6	Spanish (es) Jan Woltjer (astrónomo)		3

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#	Language	Value
en	English Jan Woltjer (astronomer)
es	Spanish Jan Woltjer (astrónomo)
fr	French Jan Woltjer (astronome)
ja	Japanese ヤン・ヴォルチェ
nl	Dutch Jan Woltjer (astronoom)
zh	Chinese 扬·沃尔切尔

Best Rank

English: #1724386 12.2009

Global: #2330303 03.2008

Best Rank

English: #215118 07.2016

Global: #190856 01.2010

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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 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information