Tau3 Serpentis
star in the constellation Serpens
Tau3 Serpentis, Latinized from τ3 Serpentis, is a giant star in the constellation of Serpens. It has an apparent visual magnitude of approximately 6.11, which is bright enough to be dimly visible to the naked eye under favorable viewing conditions. The distance to this star is approximately 358 light years based on parallax measurements, but it is drifting closer with a heliocentric radial velocity of −22 km/s.
The stellar classification of this star is G8III:, which matches a G-type giant star. However, the trailing colon ':' indicates some uncertainty in the classification.
Begin with the source’s own compact description: “Tau3 Serpentis” is star in the constellation Serpens. The dossier treats that line as a proposition to test through Tau3, Serpentis and star, not as a finished interpretation.
Why this record matters
The phrase “star in the constellation Serpens” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
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 Sep 13, 2026. The linked authority identifier is Q5178123. None of the 0 selected statements returned an explicit reference.
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.
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Questions for further research
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This entry incorporates text from “Tau3 Serpentis” 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.