Kepler-438
red dwarfstar
Kepler-438 is a red dwarf in the constellation Lyra, about 590 light years from Earth. It is notable for its planetary system, which includes Kepler-438b, a possibly Earth-size planet within Kepler-438's habitable zone. Kepler-438 is a flare star that undergoes random, dramatic increases in brightness due to flare activity. It emits strong superflares every few hundred days, with each flare being stronger than the most powerful flare recorded on the Sun.
Planetary system
The system has one confirmed planet. However, transit timing observations of Kepler-438b indicate the possible presence of additional planets.
In 2022, a preprint described a narrowband radio signal that "[met] initial criteria for extraterrestrial intelligence" emitted from one of the Kepler-438 planets and received by astronomers at the Five-hundred-meter Aperture Spherical Telescope (FAST) in China. The signal was later determined to be of terrestrial origin.
“Kepler-438” enters the record as red dwarfstar. Crown Archives preserves that source wording while asking what Kepler-438 and dwarfstar can confirm, complicate or overturn.
Why this record matters
“Kepler-438” is worth following because a concise public description often conceals a longer documentary argument. Here, Kepler-438 and dwarfstar provides the most credible route into that argument.
The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Dec 30, 2025. The linked authority identifier is Q19363183. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2022.
The absence of detail may reflect summary conventions rather than a lack of surviving documentation. 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.
- Subject orientation
- Search vocabulary
- Locating named sources
The closest primary source, responsible institution and strongest cited specialist reference.
Three-step research path
- Establish the record: confirm the title “Kepler-438”, its source revision and the description used here.
- Expand the search: follow Kepler-438 primary sources, Kepler-438 archive and Kepler-438 research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Kepler-438”?
- Which cited source is closest to the event, object or claim?
- Which institution is responsible for the underlying evidence?
Search terms from this dossier
This entry incorporates text from “Kepler-438” 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.