H-альфа

H-alpha - specific hydrogen spectral line in the Balmer series. Article “H-альфа” in Russian Wikipedia has 17.9 points for quality (as of July 1, 2025). The article contains 3 references and 4 sections.

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

Since the creation of article “H-альфа”, its content was written by 7 registered users of Russian Wikipedia and edited by 261 registered Wikipedia users in all languages.

The article is cited 113 times in Russian Wikipedia and cited 1074 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Russian): #112745 in September 2021
• Global: #41281 in December 2003

The highest popularity rank from 2008:

• Local (Russian): #120634 in April 2022
• Global: #107964 in February 2015

There are 21 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	Turkish (tr) Hidrojen alfa		29.4915
2	Chinese (zh) H-α		28.0151
3	English (en) Hydrogen-alpha		26.857
4	Hindi (hi) एच-एल्फा		25.4212
5	Polish (pl) H-alfa		18.3026
6	Ukrainian (uk) H-альфа		18.1051
7	Russian (ru) H-альфа		17.9143
8	Italian (it) H-alfa		16.6877
9	Armenian (hy) H–ալֆա		15.7345
10	Catalan (ca) H-alfa		14.8285

More...

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

The most popular language versions of the article "H-альфа" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Hydrogen-alpha		1 030 235
2	German (de) H-alpha		126 801
3	Spanish (es) Hα		76 946
4	French (fr) Hα		71 092
5	Italian (it) H-alfa		48 898
6	Chinese (zh) H-α		38 156
7	Russian (ru) H-альфа		35 837
8	Polish (pl) H-alfa		10 574
9	Arabic (ar) H-ألفا		10 154
10	Czech (cs) H-alfa		8 711

More...

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 "H-альфа" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Hydrogen-alpha		3 602
2	German (de) H-alpha		499
3	Russian (ru) H-альфа		382
4	French (fr) Hα		318
5	Spanish (es) Hα		273
6	Chinese (zh) H-α		218
7	Italian (it) H-alfa		207
8	Polish (pl) H-alfa		62
9	Czech (cs) H-alfa		39
10	Arabic (ar) H-ألفا		26

More...

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

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

#	Language	AI award	Relative AI
1	English (en) Hydrogen-alpha		81
2	French (fr) Hα		30
3	Italian (it) H-alfa		26
4	German (de) H-alpha		20
5	Norwegian (no) H-alfa		19
6	Spanish (es) Hα		12
7	Arabic (ar) H-ألفا		10
8	Polish (pl) H-alfa		9
9	Chinese (zh) H-α		9
10	Czech (cs) H-alfa		8

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 "H-альфа" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Ukrainian (uk) H-альфа		2
2	English (en) Hydrogen-alpha		1
3	French (fr) Hα		1
4	Arabic (ar) H-ألفا		0
5	Bulgarian (bg) H-алфа		0
6	Catalan (ca) H-alfa		0
7	Czech (cs) H-alfa		0
8	German (de) H-alpha		0
9	Spanish (es) Hα		0
10	Basque (eu) H alfa		0

More...

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

Language versions of the article "H-альфа" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Hydrogen-alpha		365
2	French (fr) Hα		138
3	Italian (it) H-alfa		122
4	Russian (ru) H-альфа		113
5	German (de) H-alpha		88
6	Chinese (zh) H-α		61
7	Spanish (es) Hα		53
8	Arabic (ar) H-ألفا		25
9	Czech (cs) H-alfa		25
10	Turkish (tr) Hidrojen alfa		16

More...

#	Language	Value
ar	Arabic H-ألفا
bg	Bulgarian H-алфа
ca	Catalan H-alfa
cs	Czech H-alfa
de	German H-alpha
en	English Hydrogen-alpha
es	Spanish Hα
eu	Basque H alfa
fa	Persian هیدروژن-آلفا
fr	French Hα
hi	Hindi एच-एल्फा
hy	Armenian H–ալֆա
it	Italian H-alfa
no	Norwegian H-alfa
pl	Polish H-alfa
ro	Romanian H-alfa
ru	Russian H-альфа
th	Thai เอชแอลฟา
tr	Turkish Hidrojen alfa
uk	Ukrainian H-альфа
zh	Chinese H-α

Best Rank

Russian: #120634 04.2022

Global: #107964 02.2015

Best Rank

Russian: #112745 09.2021

Global: #41281 12.2003

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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