Open cluster

Open cluster - group of "sibling" stars that are loosely gravitationally bound to one another. Article "Open cluster" in English Wikipedia has 83.7 points for quality (as of July 1, 2025). The article contains 78 references and 13 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 "Open cluster" was edited by 1 authors in English Wikipedia and written by 4 authors in all languages.

Since the creation of article "Open cluster", its content was written by 195 registered users of English Wikipedia and edited by 1197 registered Wikipedia users in all languages.

The article is cited 1293 times in English Wikipedia and cited 23876 times in all languages (6879^th place).

The highest Authors Interest rank from 2001:

• Local (English): #1215 in July 2005
• Global: #2534 in March 2003

The highest popularity rank from 2008:

• Local (English): #19130 in January 2008
• Global: #17651 in February 2013

There are 50 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) Kelompok terbuka		98.5714
2	Chinese (zh) 疏散星团		88.7076
3	English (en) Open cluster		83.7183
4	Greek (el) Ανοικτό σμήνος		71.2724
5	Ukrainian (uk) Розсіяне скупчення		68.0708
6	Catalan (ca) Cúmul obert		63.5023
7	Serbo-Croatian (sh) Otvoreni skup		62.8205
8	Italian (it) Ammasso aperto		61.5096
9	Russian (ru) Рассеянное звёздное скопление		57.8842
10	Armenian (hy) Ցրված աստղային կուտակումներ		51.8201

More...

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

The most popular language versions of the article "Open cluster" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Open cluster		1 348 250
2	Polish (pl) Gromada otwarta		657 711
3	Japanese (ja) 散開星団		258 207
4	Spanish (es) Cúmulo abierto		250 057
5	Russian (ru) Рассеянное звёздное скопление		241 686
6	German (de) Offener Sternhaufen		193 354
7	Italian (it) Ammasso aperto		155 483
8	French (fr) Amas ouvert		143 272
9	Chinese (zh) 疏散星团		89 691
10	Portuguese (pt) Aglomerado estelar aberto		65 967

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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 "Open cluster" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Open cluster		4 477
2	Japanese (ja) 散開星団		838
3	Russian (ru) Рассеянное звёздное скопление		472
4	German (de) Offener Sternhaufen		463
5	French (fr) Amas ouvert		371
6	Chinese (zh) 疏散星团		358
7	Italian (it) Ammasso aperto		329
8	Spanish (es) Cúmulo abierto		303
9	Korean (ko) 산개성단		265
10	Simple English (simple) Open star cluster		223

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

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

#	Language	AI award	Relative AI
1	English (en) Open cluster		195
2	German (de) Offener Sternhaufen		107
3	Italian (it) Ammasso aperto		87
4	Russian (ru) Рассеянное звёздное скопление		75
5	French (fr) Amas ouvert		61
6	Dutch (nl) Open sterrenhoop		54
7	Polish (pl) Gromada otwarta		41
8	Spanish (es) Cúmulo abierto		35
9	Hungarian (hu) Nyílthalmaz		34
10	Chinese (zh) 疏散星团		33

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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 "Open cluster" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Azerbaijani (az) Açıq ulduz topası		1
2	English (en) Open cluster		1
3	Polish (pl) Gromada otwarta		1
4	Chinese (zh) 疏散星团		1
5	Arabic (ar) عنقود مفتوح		0
6	Belarusian (be) Рассеянае зорнае скопішча		0
7	Bulgarian (bg) Разсеян звезден куп		0
8	Catalan (ca) Cúmul obert		0
9	Czech (cs) Otevřená hvězdokupa		0
10	Danish (da) Åben stjernehob		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 "Open cluster" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	French (fr) Amas ouvert		1 575
2	Chinese (zh) 疏散星团		1 359
3	Ukrainian (uk) Розсіяне скупчення		1 334
4	Catalan (ca) Cúmul obert		1 307
5	English (en) Open cluster		1 293
6	Esperanto (eo) Malferma stelamaso		1 166
7	Portuguese (pt) Aglomerado estelar aberto		1 031
8	Turkish (tr) Açık yıldız kümesi		1 017
9	Slovak (sk) Otvorená hviezdokopa		1 016
10	Polish (pl) Gromada otwarta		1 001

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#	Language	Value
ar	Arabic عنقود مفتوح
az	Azerbaijani Açıq ulduz topası
be	Belarusian Рассеянае зорнае скопішча
bg	Bulgarian Разсеян звезден куп
ca	Catalan Cúmul obert
cs	Czech Otevřená hvězdokupa
da	Danish Åben stjernehob
de	German Offener Sternhaufen
el	Greek Ανοικτό σμήνος
en	English Open cluster
eo	Esperanto Malferma stelamaso
es	Spanish Cúmulo abierto
et	Estonian Hajusparv
eu	Basque Kumulu ireki
fa	Persian خوشه ستاره‌ای باز
fi	Finnish Avoin tähtijoukko
fr	French Amas ouvert
gl	Galician Cúmulo aberto
he	Hebrew צביר פתוח
hi	Hindi खुला तारागुच्छ
hr	Croatian Otvoreni skup (astronomija)
hu	Hungarian Nyílthalmaz
hy	Armenian Ցրված աստղային կուտակումներ
id	Indonesian Gugus terbuka
it	Italian Ammasso aperto
ja	Japanese 散開星団
kk	Kazakh Тарқақ үйіржұлдыз
ko	Korean 산개성단
la	Latin Cumulus stellarum apertus
lt	Lithuanian Padrikasis spiečius
ms	Malay Kelompok terbuka
nl	Dutch Open sterrenhoop
nn	Norwegian (Nynorsk) Open stjernehop
no	Norwegian Åpen stjernehop
pl	Polish Gromada otwarta
pt	Portuguese Aglomerado estelar aberto
ro	Romanian Roi deschis
ru	Russian Рассеянное звёздное скопление
sh	Serbo-Croatian Otvoreni skup
simple	Simple English Open star cluster
sk	Slovak Otvorená hviezdokopa
sl	Slovenian Odprta zvezdna kopica
sr	Serbian Расејано звездано јато
sv	Swedish Öppen stjärnhop
th	Thai กระจุกดาวเปิด
tr	Turkish Açık yıldız kümesi
uk	Ukrainian Розсіяне скупчення
vi	Vietnamese Cụm sao mở
zh	Chinese 疏散星团
zhminnan	Min Nan Sòaⁿ-khui chheⁿ-thoân

Best Rank

English: #19130 01.2008

Global: #17651 02.2013

Best Rank

English: #1215 07.2005

Global: #2534 03.2003

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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