Named star

Rasalhague

HIP
86032
Designation
55 Alp Oph
Bayer designation
α Oph
Visual magnitude
2.08
Constellation
Serpent Bearer
Name approved by the IAU
2016-07-20

The IAU catalogue's account

Applied with various spellings since medieval times, from its name for the Arabic Almagest period ra's al-ḥawwa', "the Head of the Serpent Collector."

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
Scientific Arabic
Ancient-layer signal
no simple cue found
Pronounced
ras' ál ha' gwé
Literal meanings
the Head of the Serpent Collector
Periods of use
Medieval

Source: Kunitzsch & Smart, A Dictionary of Modern Star Names, 2nd ed. 2006, p. 44

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.

Corpus chains passing through this star. Deviation is the cross-track angular distance of the third star from the great-circle plane.

  • Орион → Дракон → ЗмееносецСвязанные стражи → Древний змей - сатана, дьявол → Пастырь-ПобедительWith: Hatysa, Rastaban · Deviation 0,000582197°

Other named stars of this constellation: