Atik
HR 1131 · HIP 17448 · ο Per
👁️ Naked-eye
📋 A written introduction is coming — for now this page shows official values only.
Star
- Apparent magnitude
- 3.91 mag
- Spectral type
- B1III
- Right ascension
- 56.0797°
- Declination
- 32.2882°
- Designation
- HR 1131
- Bayer designation
- ο Per
- HIP number
- 17448
- IAU name adopted
- 2016-09-12
- Name language
- Arabic
- Name origin (IAU)
- Applied in recent times (also to ζ Per), from an abbreviation of the pre-Islamic Arabian name 'atiq al-thurayya, "the Collarbone of the Pleiades," for ο and ζ Per, after their location in the pre-Islamic Arabian asterism here
Source:IAU Working Group on Star Names · checked 2026-11-02 ↗ESA Hipparcos Catalogue (ESA Gaia Archive) · checked 2026-11-03 ↗
Related
Constellation
In everyday life
- At magnitude 3.9 it is bright enough for the naked eye (limit about 6) — look from somewhere dark.
- Declination 32.3° — it rises above the horizon in Seoul (37.6° N), so it is visible from Korea in the right season.
- Its IAU name «Atik» comes from Arabic (IAU Working Group on Star Names).
Worked out from this object's official values.