UBV-System

de

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UBV-System

Quality:

UBV photometric system - wide-band photometric system used in astronomy. Article “UBV-System” in German Wikipedia has 31.4 points for quality (as of July 1, 2026). The article contains 6 references and 6 sections.

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

Since the creation of article “UBV-System”, its content was written by 30 registered users of German Wikipedia and edited by 221 registered Wikipedia users in all languages.

The article is cited 1416 times in German Wikipedia (7675th place) and cited 11906 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (German): #24144 in March 2019
  • Global: #27051 in July 2010

The highest popularity rank from 2008:

  • Local (German): #131524 in May 2026
  • Global: #437637 in July 2010

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.

Languages with the highest quality

#LanguageQuality gradeQuality score
1English (en)
UBV photometric system
34.0498
2Turkish (tr)
UBV fotometrik sistemi
31.9315
3German (de)
UBV-System
31.3886
4Armenian (hy)
UBV ֆոտոմետրիկ համակարգ
25.5262
5Malay (ms)
Sistem fotometrik UBV
22.9412
6Catalan (ca)
Sistema fotomètric UBV
16.5158
7French (fr)
Système photométrique UBV
15.6529
8Arabic (ar)
نظام القياس الضوئي UBV
15.4063
9Russian (ru)
Фотометрическая система UBV
12.9252
10Italian (it)
Sistema fotometrico UBV
12.4528
More...

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

Most popular in all the time

The most popular language versions of the article "UBV-System" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
UBV photometric system
296 042
2German (de)
UBV-System
33 462
3Russian (ru)
Фотометрическая система UBV
29 748
4Chinese (zh)
UBV测光系统
21 425
5Italian (it)
Sistema fotometrico UBV
19 722
6Portuguese (pt)
Sistema fotométrico UBV
16 867
7Japanese (ja)
ジョンソンのUBVシステム
14 376
8Spanish (es)
Sistema fotométrico UBV
14 126
9French (fr)
Système photométrique UBV
9 493
10Korean (ko)
UBV 측광계
9 206
More...

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

Most popular in June 2026

The most popular language versions of the article "UBV-System" in June 2026
#LanguagePopularity awardRelative popularity
1English (en)
UBV photometric system
829
2Spanish (es)
Sistema fotométrico UBV
677
3German (de)
UBV-System
612
4Russian (ru)
Фотометрическая система UBV
94
5Chinese (zh)
UBV测光系统
92
6Italian (it)
Sistema fotometrico UBV
48
7Japanese (ja)
ジョンソンのUBVシステム
42
8French (fr)
Système photométrique UBV
37
9Portuguese (pt)
Sistema fotométrico UBV
27
10Korean (ko)
UBV 측광계
20
More...

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

The highest AI

Language versions of the article "UBV-System" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
UBV photometric system
57
2German (de)
UBV-System
30
3Ukrainian (uk)
Система UBV
17
4Italian (it)
Sistema fotometrico UBV
16
5French (fr)
Système photométrique UBV
13
6Spanish (es)
Sistema fotométrico UBV
11
7Russian (ru)
Фотометрическая система UBV
11
8Japanese (ja)
ジョンソンのUBVシステム
9
9Portuguese (pt)
Sistema fotométrico UBV
7
10Czech (cs)
UBV systém
6
More...

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

The highest AI in June 2026

Language versions of the article "UBV-System" with the highest AI in June 2026
#LanguageAI awardRelative AI
1English (en)
UBV photometric system
1
2Arabic (ar)
نظام القياس الضوئي UBV
0
3Catalan (ca)
Sistema fotomètric UBV
0
4Czech (cs)
UBV systém
0
5German (de)
UBV-System
0
6Spanish (es)
Sistema fotométrico UBV
0
7French (fr)
Système photométrique UBV
0
8Armenian (hy)
UBV ֆոտոմետրիկ համակարգ
0
9Italian (it)
Sistema fotometrico UBV
0
10Japanese (ja)
ジョンソンのUBVシステム
0
More...

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

The highest CI

Language versions of the article "UBV-System" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1Ukrainian (uk)
Система UBV
8 240
2German (de)
UBV-System
1 416
3Italian (it)
Sistema fotometrico UBV
438
4Arabic (ar)
نظام القياس الضوئي UBV
216
5French (fr)
Système photométrique UBV
209
6Romanian (ro)
Sistem fotometric UBV
202
7Chinese (zh)
UBV测光系统
193
8Catalan (ca)
Sistema fotomètric UBV
155
9Portuguese (pt)
Sistema fotométrico UBV
151
10Japanese (ja)
ジョンソンのUBVシステム
150
More...

Scores

Estimated value for Wikipedia:
German:
Global:
Popularity in June 2026:
German:
Global:
Popularity in all years:
German:
Global:
Authors in June 2026:
German:
Global:
Registered authors in all years:
German:
Global:
Citations:
German:
Global:

Quality measures

Interwikis

#LanguageValue
arArabic
نظام القياس الضوئي UBV
caCatalan
Sistema fotomètric UBV
csCzech
UBV systém
deGerman
UBV-System
enEnglish
UBV photometric system
esSpanish
Sistema fotométrico UBV
frFrench
Système photométrique UBV
hyArmenian
UBV ֆոտոմետրիկ համակարգ
itItalian
Sistema fotometrico UBV
jaJapanese
ジョンソンのUBVシステム
koKorean
UBV 측광계
ltLithuanian
UBV fotometrinė sistema
msMalay
Sistem fotometrik UBV
ptPortuguese
Sistema fotométrico UBV
roRomanian
Sistem fotometric UBV
ruRussian
Фотометрическая система UBV
skSlovak
UBV systém
trTurkish
UBV fotometrik sistemi
ukUkrainian
Система UBV
zhChinese
UBV测光系统

Popularity rank trends

Best Rank German:
#131524
05.2026
Global:
#437637
07.2010

AI rank trends

Best Rank German:
#24144
03.2019
Global:
#27051
07.2010

Languages comparison

Important global interconnections (July 2025 – June 2026)

Wikipedia readers most often find their way to information on UBV photometric system from Wikipedia articles about Color index, Vega, Stellar classification, Absolute magnitude and Photometric system. Whereas reading the article about UBV photometric system people most often go to Wikipedia articles on Photometric system, Strömgren photometric system, Color index, Alan William James Cousins and Harold Johnson.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

News from 1 July 2026

On 1 July 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2026 FIFA World Cup, Kylian Mbappé, Erling Haaland, Democratic Republic of the Congo, FIFA World Cup, Harry Kane, Romelu Lukaku, Senegal, Michael Olise, Sadio Mané.

In German Wikipedia the most popular articles on that day were: Demokratische Republik Kongo, Fußball-Weltmeisterschaft 2026, Senegal, Julian Nagelsmann, Erling Haaland, Sadio Mané, Fußball-Weltmeisterschaft 1994, Jürgen Klopp, Fußball-Europameisterschaft 2028, Fußball-Weltmeisterschaft.

About WikiRank

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