Errai
From All Skies Encyclopaedia
Authors: IAU-WGSN Etymology Group, Susanne M Hoffmann, Youla Azkarrula
| Asterism Info | |
| Native | الراعي |
|---|---|
| Translation | the Shepherd |
| Position (2000) | |
| Right ascension | 345.655808 |
| Declination | 77.6323642 |
| Area | 0 sq. deg. |
| Stars | |
| Bright stars | 1 |
| Bayer/Flamsteed stars | 1 |
| Stars brighter than 3.00m | 0 |
| Brightest star | Errai (3.21m) |
| exoplanets | 1 (Tadmor) |
| Taxonomy | |
| category of asterism | IAU-Star Name |
| IAU- constellations | Cep |
Errai is a modern star name adopted by the International Astronomical Union in the IAU-Catalog of Star Names (IAU-CSN). Its origin is Arabic. It is the name of HIP 116727 (γ Cep, HR 8974) in constellation Cep.
Etymology and History
Applied in recent times from its ind-A name al-ra'i, "the Shepherd". This shepherd, with the sheep he attended (al-aghnam, marked by the various dim stars nearby), and the shepherd's dog (kalb al-ra'i,marked by 28/29 [ρ] Cep), seem to form a complete group of ind-A figures.
Mythology
IAU Working Group on Star Names
The name was adopted by the IAU WGSN on 2015/12/15.
Weblinks
- Website of the IAU WGSN: https://exopla.net/
Reference
- References (general)
- 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.
