Quality:

HD 221531 - peculiar star in the constellation Aquarius. Article “HD221531” in Ukrainian Wikipedia has 24.5 points for quality (as of July 1, 2025).
The article contains 11 references and 2 sections.
The article is cited 4 times in Ukrainian Wikipedia and cited 4 times in all languages.
The highest Authors Interest rank from 2001:
- Local (Ukrainian): #39966 in December 2016
- Global: #2007935 in April 2012
The highest popularity rank from 2008:
- Local (Ukrainian): #148288 in March 2012
- Global: #6835353 in March 2012
There is 1 language version 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).