Adhara
- HIP
- 33579
- Designation
- 21 Eps CMa
- Bayer designation
- ε CMa
- Visual magnitude
- 1.5
- Constellation
- Greater Dog
- Name approved by the IAU
- 2016-08-21
The IAU catalogue's account
Applied in recent times from the Arabic asterism name al-'adhara, "the Virgins", for ε, δ, η and ο2 CMa. The significance of the name is unknown.
- Source language
- Arabic
- Reference
- Kunitzsch, Paul; Smart, Tim (2006). A Dictionary of Modern star Names: A Short Guide to 254 Star Names and Their Derivations (2nd rev. ed.). Cambridge, Massachusetts: Sky Pub.
Source: IAU Catalog of Star Names (IAU-CSN), Working Group on Star Names. The account is the IAU's own text and is quoted in full: it is published under CC BY.
From Kunitzsch & Smart
- Layer of tradition
- Indigenous Arabic
- Ancient-layer signal
- cue found
- Source form
- al-'-adhara
- Pronounced
- a da' ru
- Literal meanings
- the Virgins
- Periods of use
- Recent / modern
- Transmission notes
- uncertain/unknown
Source: Kunitzsch & Smart, A Dictionary of Modern Star Names, 2nd ed. 2006, p. 23
Layer of tradition and ancient-layer signal are not the dictionary authors' judgement but a keyword reading of the entry's wording. “No simple cue found” means exactly that — the parser found none — not that the name is late.
The fields on this card were read off an OCR layer and are not checked against the printed page. The page number is given so the claim can be verified in your own copy.
This star is not part of any chain in the strict sub-corpus.
Other named stars of this constellation: