Spectral power distribution

en

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Spectral power distribution

Quality:

Spectral power distribution - power per unit area per unit wavelength of a wavelength concentration, important for a substance's transmittance, reflectivity, and absorbance. Article “Spectral power distribution” in English Wikipedia has 47.5 points for quality (as of July 1, 2025). The article contains 15 references and 8 sections.

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

Since the creation of article “Spectral power distribution”, its content was written by 35 registered users of English Wikipedia and edited by 72 registered Wikipedia users in all languages.

The article is cited 266 times in English Wikipedia and cited 407 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #82093 in December 2004
  • Global: #139296 in March 2023

The highest popularity rank from 2008:

  • Local (English): #196983 in February 2015
  • Global: #303991 in March 2015

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.

Languages with the highest quality

#LanguageQuality gradeQuality score
1English (en)
Spectral power distribution
47.5332
2Spanish (es)
Distribución de energía espectral
32.6953
3Catalan (ca)
Distribució espectral de potència
25.083
4Italian (it)
Distribuzione spettrale di potenza
17.3568
5Arabic (ar)
توزيع القدرة الطيفية
11.4656
6Russian (ru)
Спектральная плотность излучения
4.7362
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 "Spectral power distribution" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Spectral power distribution
545 817
2Russian (ru)
Спектральная плотность излучения
124 743
3Italian (it)
Distribuzione spettrale di potenza
14 276
4Arabic (ar)
توزيع القدرة الطيفية
11 155
5Spanish (es)
Distribución de energía espectral
371
6Catalan (ca)
Distribució espectral de potència
162
More...

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

Most popular in June 2025

The most popular language versions of the article "Spectral power distribution" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Spectral power distribution
1 833
2Russian (ru)
Спектральная плотность излучения
527
3Italian (it)
Distribuzione spettrale di potenza
39
4Spanish (es)
Distribución de energía espectral
17
5Catalan (ca)
Distribució espectral de potència
15
6Arabic (ar)
توزيع القدرة الطيفية
10
More...

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

The highest AI

Language versions of the article "Spectral power distribution" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Spectral power distribution
35
2Russian (ru)
Спектральная плотность излучения
17
3Italian (it)
Distribuzione spettrale di potenza
9
4Arabic (ar)
توزيع القدرة الطيفية
6
5Spanish (es)
Distribución de energía espectral
4
6Catalan (ca)
Distribució espectral de potència
1
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 2025

Language versions of the article "Spectral power distribution" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Arabic (ar)
توزيع القدرة الطيفية
0
2Catalan (ca)
Distribució espectral de potència
0
3English (en)
Spectral power distribution
0
4Spanish (es)
Distribución de energía espectral
0
5Italian (it)
Distribuzione spettrale di potenza
0
6Russian (ru)
Спектральная плотность излучения
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 "Spectral power distribution" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Spectral power distribution
266
2Arabic (ar)
توزيع القدرة الطيفية
95
3Russian (ru)
Спектральная плотность излучения
34
4Catalan (ca)
Distribució espectral de potència
5
5Italian (it)
Distribuzione spettrale di potenza
5
6Spanish (es)
Distribución de energía espectral
2
More...

Scores

Estimated value for Wikipedia:
English:
Global:
Popularity in June 2025:
English:
Global:
Popularity in all years:
English:
Global:
Authors in June 2025:
English:
Global:
Registered authors in all years:
English:
Global:
Citations:
English:
Global:

Quality measures

Interwikis

#LanguageValue
arArabic
توزيع القدرة الطيفية
caCatalan
Distribució espectral de potència
enEnglish
Spectral power distribution
esSpanish
Distribución de energía espectral
itItalian
Distribuzione spettrale di potenza
ruRussian
Спектральная плотность излучения

Popularity rank trends

Best Rank English:
#196983
02.2015
Global:
#303991
03.2015

AI rank trends

Best Rank English:
#82093
12.2004
Global:
#139296
03.2023

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Spectral power distribution from Wikipedia articles about Spectral density, Subtractive color, Plancks law, Standard illuminant and CIE 1931 color space. Whereas reading the article about Spectral power distribution people most often go to Wikipedia articles on Spectral density, Radiant exitance, Standard illuminant, Radiant energy density and Irradiance.

Cumulative results of quality and popularity of the Wikipedia article

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

News from 28 January 2026

On 28 January 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2025–26 UEFA Champions League, Nipah virus, Doomsday Clock, UEFA Champions League, Elena Rybakina, Donald Trump, 2026 European Men's Handball Championship, killing of Alex Pretti, Kristi Noem, deaths in 2026.

In English Wikipedia the most popular articles on that day were: Ajit Pawar, Border 2, Sharad Pawar, Killing of Alex Pretti, Ilhan Omar, Sunetra Pawar, Todd Monken, Kristi Noem, Wonder Man (miniseries), Gregory Bovino.

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 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