Celaeno
HR 1140 · HIP 17489 · 16 Tau
👁️ Naked-eye
📋 A written introduction is coming — for now this page shows official values only.
Star
- Apparent magnitude
- 5.46 mag
- Parallax
- 8.65 mas → about 377.1 light-years away
- Spectral type
- B7IV
- Right ascension
- 56.2009°
- Declination
- 24.2895°
- Designation
- HR 1140
- Bayer designation
- 16 Tau
- HIP number
- 17489
- IAU name adopted
- 2016-08-21
- Name language
- Greek
- Name origin (IAU)
- These names were individually applied in Early Modern times from a family of characters in Greek mythology: Atlas, Pleione and their seven daughters, the Pleiades.
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
- Light from this object takes about 377 years to reach Earth — the light you see tonight left around AD 1649 (official distance ÷ speed of light).
- At magnitude 5.5 it is bright enough for the naked eye (limit about 6) — look from somewhere dark.
- Declination 24.3° — it rises above the horizon in Seoul (37.6° N), so it is visible from Korea in the right season.
Worked out from this object's official values.