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91 Aquarii b

extrasolar planet

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJun 27, 2026
Entity authorityQ1070265 ↗
Source-derived summary

91 Aquarii b, also known as HD 219449 b, is an extrasolar planet orbiting in the 91 Aquarii system approximately 148 light-years away in the constellation of Aquarius. It orbits at the average distance of 105 million km from its star, which is slightly closer than Venus is to the Sun (108 million km). The planet takes half an Earth year to orbit around the star in a very circular orbit with eccentricity less than 0.053.

See also

HD 59686 b

Iota Draconis b

References

Mitchell, D.; Frink, S.; Quirrenbach, A.; Fischer, D.; Marcy, G.; Butler, P. (2003). "Four Substellar Companions Found Around Nearby K Giant Stars". Bulletin of the American Astronomical Society. 35: 1234.

Editorial summary

This brief starts where responsible research should: with the source description of “91 Aquarii b” as extrasolar planet. Everything that follows is an evidence route, not borrowed authority.

Editorial reviewA dependable orientation record for establishing vocabulary, names and a first evidence trail. The current lead gives the account dated anchors—2003, 1234—that can be checked directly. The selected authority fields contribute no independent date. The account is most persuasive where Aquarii, extrasolar and planet can be independently traced.
Editorial analysis

Why this record matters

The subject matters to the general reference register because the source frames it as extrasolar planet. Its deeper value depends on whether names, dates, institutions and citations support that framing.

Evidence profile

Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Jun 27, 2026. The linked authority identifier is Q1070265. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2003 and 1234.

Critical limits

A concise general-reference account can conceal disagreements about scope, terminology or the weight assigned to individual sources. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

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The closest primary source, responsible institution and strongest cited specialist reference.

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  1. Establish the record: confirm the title “91 Aquarii b”, its source revision and the description used here.
  2. Expand the search: follow 91 Aquarii b primary sources, 91 Aquarii b archive and Aquarii research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

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Source & attribution

This entry incorporates text from “91 Aquarii b” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.