O-type main-sequence star

O-type main sequence star - stellar classification. Article “O-type main-sequence star” in English Wikipedia has 33.3 points for quality (as of July 1, 2025). The article contains 15 references and 5 sections.

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

In June 2025 the article “O-type main-sequence star” was edited by 2 authors in English Wikipedia and written by 2 authors in all languages.

Since the creation of article “O-type main-sequence star”, its content was written by 59 registered users of English Wikipedia and edited by 214 registered Wikipedia users in all languages.

The article is cited 276 times in English Wikipedia and cited 2122 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #21872 in April 2024
• Global: #22160 in August 2013

The highest popularity rank from 2008:

• Local (English): #268379 in April 2013
• Global: #280082 in August 2018

There are 22 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	Malay (ms) Bintang jujukan utama jenis O		50.8353
2	Chinese (zh) O型主序星		37.1142
3	German (de) Hauptreihenstern der Spektralklasse O		35.0314
4	Basque (eu) O motako sekuentzia nagusiko izar		33.6981
5	English (en) O-type main-sequence star		33.3065
6	Catalan (ca) Estrella de seqüència principal de tipus O		32.3412
7	Finnish (fi) O-tyypin pääsarjan tähti		30.1442
8	Korean (ko) O형 주계열성		27.8803
9	Italian (it) Stella di classe O V		26.0319
10	Russian (ru) Звёзды главной последовательности спектрального класса O		25.0036

More...

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

The most popular language versions of the article "O-type main-sequence star" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) O-type main-sequence star		399 752
2	Japanese (ja) O型主系列星		100 264
3	Italian (it) Stella di classe O V		71 761
4	German (de) Hauptreihenstern der Spektralklasse O		42 861
5	Korean (ko) O형 주계열성		26 449
6	Chinese (zh) O型主序星		24 419
7	French (fr) Étoile bleue de la séquence principale		16 231
8	Arabic (ar) نجوم النسق الأساسي من النوع O		12 861
9	Russian (ru) Звёзды главной последовательности спектрального класса O		10 692
10	Polish (pl) Gwiazdy typu widmowego O V		9 746

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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 "O-type main-sequence star" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) O-type main-sequence star		2 323
2	Japanese (ja) O型主系列星		461
3	Chinese (zh) O型主序星		136
4	Italian (it) Stella di classe O V		126
5	French (fr) Étoile bleue de la séquence principale		122
6	German (de) Hauptreihenstern der Spektralklasse O		116
7	Korean (ko) O형 주계열성		70
8	Arabic (ar) نجوم النسق الأساسي من النوع O		67
9	Finnish (fi) O-tyypin pääsarjan tähti		34
10	Polish (pl) Gwiazdy typu widmowego O V		30

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

Language versions of the article "O-type main-sequence star" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) O-type main-sequence star		59
2	German (de) Hauptreihenstern der Spektralklasse O		32
3	Italian (it) Stella di classe O V		17
4	Arabic (ar) نجوم النسق الأساسي من النوع O		15
5	Dutch (nl) Hoofdreeksster type O		13
6	Japanese (ja) O型主系列星		12
7	Korean (ko) O형 주계열성		12
8	Esperanto (eo) Blua nano		9
9	Finnish (fi) O-tyypin pääsarjan tähti		7
10	French (fr) Étoile bleue de la séquence principale		7

More...

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

Language versions of the article "O-type main-sequence star" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	English (en) O-type main-sequence star		2
2	Arabic (ar) نجوم النسق الأساسي من النوع O		0
3	Catalan (ca) Estrella de seqüència principal de tipus O		0
4	German (de) Hauptreihenstern der Spektralklasse O		0
5	Esperanto (eo) Blua nano		0
6	Basque (eu) O motako sekuentzia nagusiko izar		0
7	Persian (fa) ستاره نوع O رشته اصلی		0
8	Finnish (fi) O-tyypin pääsarjan tähti		0
9	French (fr) Étoile bleue de la séquence principale		0
10	Indonesian (id) Bintang deret utama tipe-O		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 "O-type main-sequence star" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	French (fr) Étoile bleue de la séquence principale		382
2	English (en) O-type main-sequence star		276
3	Arabic (ar) نجوم النسق الأساسي من النوع O		246
4	Chinese (zh) O型主序星		182
5	Italian (it) Stella di classe O V		155
6	Japanese (ja) O型主系列星		150
7	Turkish (tr) O-tipi ana kol yıldızı		149
8	Portuguese (pt) Estrela de classe O da sequência principal		140
9	Dutch (nl) Hoofdreeksster type O		101
10	Vietnamese (vi) Sao dãy chính loại O		98

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#	Language	Value
ar	Arabic نجوم النسق الأساسي من النوع O
ca	Catalan Estrella de seqüència principal de tipus O
de	German Hauptreihenstern der Spektralklasse O
en	English O-type main-sequence star
eo	Esperanto Blua nano
eu	Basque O motako sekuentzia nagusiko izar
fa	Persian ستاره نوع O رشته اصلی
fi	Finnish O-tyypin pääsarjan tähti
fr	French Étoile bleue de la séquence principale
id	Indonesian Bintang deret utama tipe-O
it	Italian Stella di classe O V
ja	Japanese O型主系列星
ko	Korean O형 주계열성
ms	Malay Bintang jujukan utama jenis O
nl	Dutch Hoofdreeksster type O
pl	Polish Gwiazdy typu widmowego O V
pt	Portuguese Estrela de classe O da sequência principal
ru	Russian Звёзды главной последовательности спектрального класса O
sk	Slovak Hviezda typu O hlavnej postupnosti
tr	Turkish O-tipi ana kol yıldızı
vi	Vietnamese Sao dãy chính loại O
zh	Chinese O型主序星

Best Rank

English: #268379 04.2013

Global: #280082 08.2018

Best Rank

English: #21872 04.2024

Global: #22160 08.2013

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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